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| <div class="subTitle">org.apache.calcite.rex</div> |
| <h2 title="类 RexUtil" class="title">类 RexUtil</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li> |
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| <li>org.apache.calcite.rex.RexUtil</li> |
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| <pre>public class <span class="typeNameLabel">RexUtil</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre> |
| <div class="block">Utility methods concerning row-expressions.</div> |
| </li> |
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| <h3>嵌套类概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="嵌套类概要表, 列表嵌套类和解释"> |
| <caption><span>嵌套类</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">类和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.ExprSimplifier.html" title="org.apache.calcite.rex中的类">RexUtil.ExprSimplifier</a></span></code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.FieldAccessFinder.html" title="org.apache.calcite.rex中的类">RexUtil.FieldAccessFinder</a></span></code> |
| <div class="block">Visitor which builds a bitmap of the inputs used by an expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.FixNullabilityShuttle.html" title="org.apache.calcite.rex中的类">RexUtil.FixNullabilityShuttle</a></span></code> |
| <div class="block">Shuttle that fixes up an expression to match changes in nullability of |
| input fields.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.SubQueryFinder.html" title="org.apache.calcite.rex中的类">RexUtil.SubQueryFinder</a></span></code> |
| <div class="block">Visitor that throws <a href="../../../../org/apache/calcite/util/Util.FoundOne.html" title="org.apache.calcite.util中的类"><code>Util.FoundOne</code></a> if |
| applied to an expression that contains a <a href="../../../../org/apache/calcite/rex/RexSubQuery.html" title="org.apache.calcite.rex中的类"><code>RexSubQuery</code></a>.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
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| <h3>字段概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="字段概要表, 列表字段和解释"> |
| <caption><span>字段</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">字段和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="org.apache.calcite.rex中的接口">RexExecutor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#EXECUTOR">EXECUTOR</a></span></code> |
| <div class="block">Executor for a bit of constant reduction.</div> |
| </td> |
| </tr> |
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| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>方法概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释"> |
| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">已过时的方法</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">方法和说明</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <E> boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#all-java.util.List-org.apache.calcite.linq4j.function.Predicate1-">all</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends E> list, |
| <a href="../../../../org/apache/calcite/linq4j/function/Predicate1.html" title="org.apache.calcite.linq4j.function中的接口">Predicate1</a><E> predicate)</code> |
| <div class="block">Returns whether <code>predicate</code> is true for all elements of |
| <code>list</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#allLiterals-java.util.List-">allLiterals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> expressionOperands)</code> |
| <div class="block">Returns whether every expression in a list is a literal.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#andNot-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.lang.Iterable-">andNot</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</code> |
| <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#andNot-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexNode...-">andNot</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>... notTerms)</code> |
| <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.lang.Iterable-">apply</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Applies a mapping to an iterable over expressions.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.util.List-">apply</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>> collationList)</code> |
| <div class="block">Applies a mapping to a collation list.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rel.RelCollation-">apply</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a> collation)</code> |
| <div class="block">Applies a mapping to a collation.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rel.RelFieldCollation-">apply</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a> fieldCollation)</code> |
| <div class="block">Applies a mapping to a field collation.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rex.RexNode-">apply</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Applies a mapping to an expression.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <T extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>><br>T[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.rex.RexVisitor-T:A-">apply</a></span>(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><T> shuttle, |
| T[] exprs)</code> |
| <div class="block">Applies a shuttle to an array of expressions.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.rex.RexVisitor-java.util.List-org.apache.calcite.rex.RexNode-">apply</a></span>(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> |
| <div class="block">Applies a visitor to a list of expressions and, if specified, a single |
| expression.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.rex.RexVisitor-org.apache.calcite.rex.RexNode:A-org.apache.calcite.rex.RexNode-">apply</a></span>(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>> visitor, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>[] exprs, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> |
| <div class="block">Applies a visitor to an array of expressions and, if specified, a single |
| expression.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#applyFields-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.util.List-">applyFields</a></span>(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a>> fieldCollations)</code> |
| <div class="block">Applies a mapping to a list of field collations.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#canReinterpretOverflow-org.apache.calcite.rex.RexCall-">canReinterpretOverflow</a></span>(<a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#compatibleTypes-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-">compatibleTypes</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> type, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</code> |
| <div class="block">Returns whether the type of an array of expressions is compatible with a |
| struct type.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-">composeConjunction</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">As <a href="../../../../org/apache/calcite/rex/RexUtil.html#composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-"><code>composeConjunction(RexBuilder, Iterable, boolean)</code></a> but never |
| returns null.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-">composeConjunction</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean nullOnEmpty)</code> |
| <div class="block">Converts a collection of expressions into an AND.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#composeDisjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-">composeDisjunction</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Converts a collection of expressions into an OR.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#composeDisjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-">composeDisjunction</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean nullOnEmpty)</code> |
| <div class="block">Converts a collection of expressions into an OR, |
| optionally returning null if the list is empty.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containComplexExprs-java.util.List-">containComplexExprs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs)</code> |
| <div class="block">Returns whether a list of expressions contains complex expressions, that |
| is, a call whose arguments are not <a href="../../../../org/apache/calcite/rex/RexVariable.html" title="org.apache.calcite.rex中的类"><code>RexVariable</code></a> (or a subtype such |
| as <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a>) or <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类"><code>RexLiteral</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containIdentity-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-">containIdentity</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</code> |
| <div class="block">Returns whether the leading edge of a given array of expressions is |
| wholly <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> objects with types corresponding to the |
| underlying datatype.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containNoCommonExprs-java.util.List-org.apache.calcite.util.Litmus-">containNoCommonExprs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</code> |
| <div class="block">Returns whether an array of expressions has any common sub-expressions.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containNoForwardRefs-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-">containNoForwardRefs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> inputRowType, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</code> |
| <div class="block">Returns whether an array of expressions contains no forward references.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containsCorrelation-org.apache.calcite.rex.RexNode-">containsCorrelation</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> condition)</code> |
| <div class="block">Returns whether an expression contains a <a href="../../../../org/apache/calcite/rex/RexCorrelVariable.html" title="org.apache.calcite.rex中的类"><code>RexCorrelVariable</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containsFieldAccess-org.apache.calcite.rex.RexNode-">containsFieldAccess</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether a given tree contains any |
| <a href="../../../../org/apache/calcite/rex/RexFieldAccess.html" title="org.apache.calcite.rex中的类"><code>RexFieldAccess</code></a> nodes.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containsInputRef-org.apache.calcite.rex.RexNode-">containsInputRef</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether a given tree contains any {link RexInputRef} nodes.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containsTableInputRef-java.util.List-">containsTableInputRef</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Returns whether any of the given expression trees contains a |
| {link RexTableInputRef} node.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#containsTableInputRef-org.apache.calcite.rex.RexNode-">containsTableInputRef</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether a given tree contains any {link RexTableInputRef} nodes.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-java.util.List-">createStructType</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-java.util.List-org.apache.calcite.sql.validate.SqlValidatorUtil.Suggester-">createStructType</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names, |
| <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorUtil.Suggester.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorUtil.Suggester</a> suggester)</code> |
| <div class="block">Creates a record type with specified field names.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-">createStructType</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs)</code> |
| <div class="block">Creates a record type with anonymous field names.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#eq-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexNode-">eq</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e1, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e2)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static <E> boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#exists-java.util.List-org.apache.calcite.linq4j.function.Predicate1-">exists</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends E> list, |
| <a href="../../../../org/apache/calcite/linq4j/function/Predicate1.html" title="org.apache.calcite.linq4j.function中的接口">Predicate1</a><E> predicate)</code> |
| <div class="block">Returns whether there is an element in <code>list</code> for which |
| <code>predicate</code> is true.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFamily.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFamily</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#families-java.util.List-">families</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>> types)</code> </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#findOperatorCall-org.apache.calcite.sql.SqlOperator-org.apache.calcite.rex.RexNode-">findOperatorCall</a></span>(<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> operator, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether a given node contains a RexCall with a specified operator</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#fixUp-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-">fixUp</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>> fieldTypes)</code> |
| <div class="block">Fixes up the type of all <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a>s in an |
| expression to match differences in nullability.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#fixUp-org.apache.calcite.rex.RexBuilder-java.util.List-org.apache.calcite.rel.type.RelDataType-">fixUp</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#flatten-java.util.List-org.apache.calcite.sql.SqlOperator-">flatten</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> op)</code> |
| <div class="block">Converts a list of operands into a list that is flat with respect to |
| the given operator.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#flatten-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">flatten</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Flattens an expression.</div> |
| </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>static com.google.common.collect.ImmutableList<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#flattenAnd-java.lang.Iterable-">flattenAnd</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Flattens a list of AND nodes.</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>static com.google.common.collect.ImmutableList<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#flattenOr-java.lang.Iterable-">flattenOr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Flattens a list of OR nodes.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#gatherTableReferences-java.util.List-">gatherTableReferences</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Gather all table references in input expressions.</div> |
| </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#generateCastExpressions-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rel.type.RelDataType-java.util.List-">generateCastExpressions</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> lhsRowType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> rhsExps)</code> |
| <div class="block">Generates a cast for a row type.</div> |
| </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#generateCastExpressions-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">generateCastExpressions</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> lhsRowType, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rhsRowType)</code> |
| <div class="block">Generates a cast from one row type to another</div> |
| </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#getSelectivity-org.apache.calcite.rex.RexNode-">getSelectivity</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> exp)</code> |
| <div class="block">Returns a guess for the selectivity of an expression.</div> |
| </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#invert-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-">invert</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</code> </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isAtomic-org.apache.calcite.rex.RexNode-">isAtomic</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> </td> |
| </tr> |
| <tr id="i47" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isCallTo-org.apache.calcite.rex.RexNode-org.apache.calcite.sql.SqlOperator-">isCallTo</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr, |
| <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> op)</code> |
| <div class="block">Returns whether a <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>node</code></a> is a <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类"><code>call</code></a> to a |
| given <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类"><code>operator</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i48" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isCasePredicate-org.apache.calcite.rex.RexCall-int-">isCasePredicate</a></span>(<a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call, |
| int i)</code> |
| <div class="block">Returns whether a given operand of a CASE expression is a predicate.</div> |
| </td> |
| </tr> |
| <tr id="i49" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isConstant-org.apache.calcite.rex.RexNode-">isConstant</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether node is made up of constants.</div> |
| </td> |
| </tr> |
| <tr id="i50" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isDeterministic-org.apache.calcite.rex.RexNode-">isDeterministic</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block">Returns whether a given expression is deterministic.</div> |
| </td> |
| </tr> |
| <tr id="i51" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isFlat-org.apache.calcite.rex.RexNode-">isFlat</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> |
| <div class="block">Returns false if the expression can be optimized by flattening |
| calls to an associative operator such as AND and OR.</div> |
| </td> |
| </tr> |
| <tr id="i52" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isIdentity-java.util.List-org.apache.calcite.rel.type.RelDataType-">isIdentity</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exps, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> inputRowType)</code> |
| <div class="block">Returns whether a list of expressions projects the incoming fields.</div> |
| </td> |
| </tr> |
| <tr id="i53" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isLiteral-org.apache.calcite.rex.RexNode-boolean-">isLiteral</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</code> |
| <div class="block">Returns whether a node represents a literal.</div> |
| </td> |
| </tr> |
| <tr id="i54" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isLosslessCast-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">isLosslessCast</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> source, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> target)</code> |
| <div class="block">Returns whether the conversion from <code>source</code> to <code>target</code> type |
| is a 'loss-less' cast, that is, a cast from which |
| the original value of the field can be certainly recovered.</div> |
| </td> |
| </tr> |
| <tr id="i55" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isLosslessCast-org.apache.calcite.rex.RexNode-">isLosslessCast</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether the input is a 'loss-less' cast, that is, a cast from which |
| the original value of the field can be certainly recovered.</div> |
| </td> |
| </tr> |
| <tr id="i56" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isNull-org.apache.calcite.rex.RexNode-">isNull</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> |
| <div class="block">Returns whether a node represents the NULL value or a series of nested |
| <code>CAST(NULL AS type)</code> calls.</div> |
| </td> |
| </tr> |
| <tr id="i57" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isNullabilityCast-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rex.RexNode-">isNullabilityCast</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Returns whether an expression is a cast just for the purposes of |
| nullability, not changing any other aspect of the type.</div> |
| </td> |
| </tr> |
| <tr id="i58" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isNullLiteral-org.apache.calcite.rex.RexNode-boolean-">isNullLiteral</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</code> |
| <div class="block">Returns whether a node represents the NULL value.</div> |
| </td> |
| </tr> |
| <tr id="i59" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#isReferenceOrAccess-org.apache.calcite.rex.RexNode-boolean-">isReferenceOrAccess</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</code> |
| <div class="block">Returns whether a node represents an input reference or field access.</div> |
| </td> |
| </tr> |
| <tr id="i60" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/util/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#makeKey-org.apache.calcite.rex.RexNode-">makeKey</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</code> |
| <div class="block">Creates a key for <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>RexNode</code></a> which is the same as another key of |
| another RexNode only if the two have both the same type and textual |
| representation.</div> |
| </td> |
| </tr> |
| <tr id="i61" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#negate-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-">negate</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</code> </td> |
| </tr> |
| <tr id="i62" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#nodeCount-java.util.List-">nodeCount</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Returns the number of nodes (including leaves) in a list of |
| expressions.</div> |
| </td> |
| </tr> |
| <tr id="i63" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#not-org.apache.calcite.rex.RexNode-">not</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block">Negates a logical expression by adding or removing a NOT.</div> |
| </td> |
| </tr> |
| <tr id="i64" class="altColor"> |
| <td class="colFirst"><code>static com.google.common.base.Function<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#notFn-org.apache.calcite.rex.RexBuilder-">notFn</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/calcite/rex/RexUtil.html#not-org.apache.calcite.rex.RexNode-"><code>not(org.apache.calcite.rex.RexNode)</code></a></span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i65" class="rowColor"> |
| <td class="colFirst"><code>static <C extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>><br>com.google.common.collect.ImmutableMap<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,C></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#predicateConstants-java.lang.Class-org.apache.calcite.rex.RexBuilder-java.util.List-">predicateConstants</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a><C> clazz, |
| <a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> predicates)</code> |
| <div class="block">Creates a map containing each (e, constant) pair that occurs within |
| a predicate list.</div> |
| </td> |
| </tr> |
| <tr id="i66" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#pullFactors-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">pullFactors</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Creates an equivalent version of a node where common factors among ORs |
| are pulled up.</div> |
| </td> |
| </tr> |
| <tr id="i67" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#removeAll-java.util.List-org.apache.calcite.rex.RexNode-">removeAll</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> targets, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block">Removes all expressions from a list that are equivalent to a given |
| expression.</div> |
| </td> |
| </tr> |
| <tr id="i68" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#removeCast-org.apache.calcite.rex.RexNode-">removeCast</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block">Removes any casts.</div> |
| </td> |
| </tr> |
| <tr id="i69" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#removeNullabilityCast-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rex.RexNode-">removeNullabilityCast</a></span>(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</code> |
| <div class="block">Removes any casts that change nullability but not type.</div> |
| </td> |
| </tr> |
| <tr id="i70" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#requiresDecimalExpansion-java.util.List-boolean-">requiresDecimalExpansion</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> operands, |
| boolean recurse)</code> |
| <div class="block">Determines whether any operand of a set requires decimal expansion</div> |
| </td> |
| </tr> |
| <tr id="i71" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#requiresDecimalExpansion-org.apache.calcite.rex.RexNode-boolean-">requiresDecimalExpansion</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr, |
| boolean recurse)</code> |
| <div class="block">Determines whether a <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类"><code>RexCall</code></a> requires decimal expansion.</div> |
| </td> |
| </tr> |
| <tr id="i72" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#requiresDecimalExpansion-org.apache.calcite.rex.RexProgram-boolean-">requiresDecimalExpansion</a></span>(<a href="../../../../org/apache/calcite/rex/RexProgram.html" title="org.apache.calcite.rex中的类">RexProgram</a> program, |
| boolean recurse)</code> |
| <div class="block">Returns whether a <a href="../../../../org/apache/calcite/rex/RexProgram.html" title="org.apache.calcite.rex中的类"><code>RexProgram</code></a> contains expressions which require |
| decimal expansion.</div> |
| </td> |
| </tr> |
| <tr id="i73" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#retainDeterministic-java.util.List-">retainDeterministic</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> list)</code> </td> |
| </tr> |
| <tr id="i74" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#shift-java.lang.Iterable-int-">shift</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| int offset)</code> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div> |
| </td> |
| </tr> |
| <tr id="i75" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#shift-org.apache.calcite.rex.RexNode-int-">shift</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| int offset)</code> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div> |
| </td> |
| </tr> |
| <tr id="i76" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#shift-org.apache.calcite.rex.RexNode-int-int-">shift</a></span>(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| int start, |
| int offset)</code> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression higher than <code>start</code> |
| by <code>offset</code>.</div> |
| </td> |
| </tr> |
| <tr id="i77" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplify-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">simplify</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> |
| <div class="block"><span class="deprecationComment">Create a <a href="../../../../org/apache/calcite/rex/RexSimplify.html" title="org.apache.calcite.rex中的类"><code>RexSimplify</code></a>, then call its |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplify-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplify(RexNode, RexUnknownAs)</code></a> method.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i78" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplify-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-boolean-">simplify</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| boolean unknownAsFalse)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> |
| <div class="block"><span class="deprecationComment">Create a <a href="../../../../org/apache/calcite/rex/RexSimplify.html" title="org.apache.calcite.rex中的类"><code>RexSimplify</code></a>, then call its |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplify-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplify(RexNode, RexUnknownAs)</code></a> method.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i79" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyAnd-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-boolean-">simplifyAnd</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> e, |
| boolean unknownAsFalse)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i80" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyAnd2-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-">simplifyAnd2</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i81" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyAnd2ForUnknownAsFalse-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-">simplifyAnd2ForUnknownAsFalse</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i82" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyAnds-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-">simplifyAnds</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> |
| <div class="block"><span class="deprecationComment">Use |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplifyAnds-java.lang.Iterable-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplifyAnds(Iterable, RexUnknownAs)</code></a>.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i83" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyAnds-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-">simplifyAnds</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean unknownAsFalse)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i84" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyOr-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-">simplifyOr</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i85" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyOrs-org.apache.calcite.rex.RexBuilder-java.util.List-">simplifyOrs</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr id="i86" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#simplifyPreservingType-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">simplifyPreservingType</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplifyPreservingType-org.apache.calcite.rex.RexNode-"><code>RexSimplify.simplifyPreservingType(RexNode)</code></a>, |
| which allows you to specify an <a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="org.apache.calcite.rex中的接口"><code>RexExecutor</code></a>.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i87" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#strings-java.util.List-">strings</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> list)</code> |
| <div class="block">Transforms a list of expressions to the list of digests.</div> |
| </td> |
| </tr> |
| <tr id="i88" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#swapColumnReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-">swapColumnReferences</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec)</code> |
| <div class="block">Given an expression, it will swap its column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> |
| using the contents in the map (in particular, the first element of the set in the |
| map value).</div> |
| </td> |
| </tr> |
| <tr id="i89" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#swapColumnTableReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-java.util.Map-">swapColumnTableReferences</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping)</code> |
| <div class="block">Given an expression, it will swap the column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> |
| using the contents in the first map (in particular, the first element of the set |
| in the map value), and then it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the second map.</div> |
| </td> |
| </tr> |
| <tr id="i90" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#swapTableColumnReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-java.util.Map-">swapTableColumnReferences</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec)</code> |
| <div class="block">Given an expression, it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the first map, and then |
| it will swap the column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents |
| in the second map (in particular, the first element of the set in the map value).</div> |
| </td> |
| </tr> |
| <tr id="i91" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#swapTableReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-">swapTableReferences</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping)</code> |
| <div class="block">Given an expression, it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the map.</div> |
| </td> |
| </tr> |
| <tr id="i92" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#toCnf-org.apache.calcite.rex.RexBuilder-int-org.apache.calcite.rex.RexNode-">toCnf</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| int maxCnfNodeCount, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</code> |
| <div class="block">Similar to <a href="../../../../org/apache/calcite/rex/RexUtil.html#toCnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"><code>toCnf(RexBuilder, RexNode)</code></a>; however, it lets you |
| specify a threshold in the number of nodes that can be created out of |
| the conversion.</div> |
| </td> |
| </tr> |
| <tr id="i93" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#toCnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">toCnf</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</code> |
| <div class="block">Converts an expression to conjunctive normal form (CNF).</div> |
| </td> |
| </tr> |
| <tr id="i94" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#toDnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-">toDnf</a></span>(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</code> |
| <div class="block">Converts an expression to disjunctive normal form (DNF).</div> |
| </td> |
| </tr> |
| <tr id="i95" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexUtil.html#types-java.util.List-">types</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</code> |
| <div class="block">Transforms a list of expressions into a list of their types.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>从类继承的方法 java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
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| </a> |
| <h3>字段详细资料</h3> |
| <a name="EXECUTOR"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>EXECUTOR</h4> |
| <pre>public static final <a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="org.apache.calcite.rex中的接口">RexExecutor</a> EXECUTOR</pre> |
| <div class="block">Executor for a bit of constant reduction. The user can pass in another executor.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>方法详细资料</h3> |
| <a name="getSelectivity-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>getSelectivity</h4> |
| <pre>public static double getSelectivity(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> exp)</pre> |
| <div class="block">Returns a guess for the selectivity of an expression.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>exp</code> - expression of interest, or null for none (implying a |
| selectivity of 1.0)</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>guessed selectivity</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateCastExpressions-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>generateCastExpressions</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> generateCastExpressions(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> lhsRowType, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rhsRowType)</pre> |
| <div class="block">Generates a cast from one row type to another</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>rexBuilder</code> - RexBuilder to use for constructing casts</dd> |
| <dd><code>lhsRowType</code> - target row type</dd> |
| <dd><code>rhsRowType</code> - source row type; fields must be 1-to-1 with lhsRowType, |
| in same order</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>cast expressions</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateCastExpressions-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rel.type.RelDataType-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>generateCastExpressions</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> generateCastExpressions(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> lhsRowType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> rhsExps)</pre> |
| <div class="block">Generates a cast for a row type.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>rexBuilder</code> - RexBuilder to use for constructing casts</dd> |
| <dd><code>lhsRowType</code> - target row type</dd> |
| <dd><code>rhsExps</code> - expressions to be cast</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>cast expressions</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isNullLiteral-org.apache.calcite.rex.RexNode-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isNullLiteral</h4> |
| <pre>public static boolean isNullLiteral(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</pre> |
| <div class="block">Returns whether a node represents the NULL value. |
| |
| <p>Examples: |
| |
| <ul> |
| <li>For <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类"><code>RexLiteral</code></a> Unknown, returns false. |
| <li>For <code>CAST(NULL AS <i>type</i>)</code>, returns true if <code> |
| allowCast</code> is true, false otherwise. |
| <li>For <code>CAST(CAST(NULL AS <i>type</i>) AS <i>type</i>))</code>, |
| returns false. |
| </ul></div> |
| </li> |
| </ul> |
| <a name="isNull-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>isNull</h4> |
| <pre>public static boolean isNull(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| <div class="block">Returns whether a node represents the NULL value or a series of nested |
| <code>CAST(NULL AS type)</code> calls. For example: |
| <code>isNull(CAST(CAST(NULL as INTEGER) AS VARCHAR(1)))</code> |
| returns <code>true</code>.</div> |
| </li> |
| </ul> |
| <a name="isLiteral-org.apache.calcite.rex.RexNode-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isLiteral</h4> |
| <pre>public static boolean isLiteral(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</pre> |
| <div class="block">Returns whether a node represents a literal. |
| |
| <p>Examples: |
| |
| <ul> |
| <li>For <code>CAST(literal AS <i>type</i>)</code>, returns true if <code> |
| allowCast</code> is true, false otherwise. |
| <li>For <code>CAST(CAST(literal AS <i>type</i>) AS <i>type</i>))</code>, |
| returns false. |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - The node, never null.</dd> |
| <dd><code>allowCast</code> - whether to regard CAST(literal) as a literal</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Whether the node is a literal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allLiterals-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>allLiterals</h4> |
| <pre>public static boolean allLiterals(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> expressionOperands)</pre> |
| <div class="block">Returns whether every expression in a list is a literal.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>expressionOperands</code> - list of expressions to check</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if every expression from the specified list is literal.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isReferenceOrAccess-org.apache.calcite.rex.RexNode-boolean-"> |
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| </a> |
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| <h4>isReferenceOrAccess</h4> |
| <pre>public static boolean isReferenceOrAccess(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| boolean allowCast)</pre> |
| <div class="block">Returns whether a node represents an input reference or field access.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - The node, never null.</dd> |
| <dd><code>allowCast</code> - whether to regard CAST(x) as true</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Whether the node is a reference or access</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isNullabilityCast-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rex.RexNode-"> |
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| <h4>isNullabilityCast</h4> |
| <pre>public static boolean isNullabilityCast(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether an expression is a cast just for the purposes of |
| nullability, not changing any other aspect of the type.</div> |
| </li> |
| </ul> |
| <a name="removeNullabilityCast-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>removeNullabilityCast</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> removeNullabilityCast(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Removes any casts that change nullability but not type. |
| |
| <p>For example, <code>CAST(1 = 0 AS BOOLEAN)</code> becomes <code>1 = 0</code>.</div> |
| </li> |
| </ul> |
| <a name="removeCast-org.apache.calcite.rex.RexNode-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>removeCast</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> removeCast(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block">Removes any casts. |
| |
| <p>For example, <code>CAST('1' AS INTEGER)</code> becomes <code>'1'</code>.</div> |
| </li> |
| </ul> |
| <a name="predicateConstants-java.lang.Class-org.apache.calcite.rex.RexBuilder-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>predicateConstants</h4> |
| <pre>public static <C extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> com.google.common.collect.ImmutableMap<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,C> predicateConstants(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a><C> clazz, |
| <a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> predicates)</pre> |
| <div class="block">Creates a map containing each (e, constant) pair that occurs within |
| a predicate list.</div> |
| <dl> |
| <dt><span class="paramLabel">类型参数:</span></dt> |
| <dd><code>C</code> - what to consider a constant: <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类"><code>RexLiteral</code></a> to use a narrow |
| definition of constant, or <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>RexNode</code></a> to use |
| <a href="../../../../org/apache/calcite/rex/RexUtil.html#isConstant-org.apache.calcite.rex.RexNode-"><code>isConstant(RexNode)</code></a></dd> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>clazz</code> - Class of expression that is considered constant</dd> |
| <dd><code>rexBuilder</code> - Rex builder</dd> |
| <dd><code>predicates</code> - Predicate list</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Map from values to constants</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nodeCount-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nodeCount</h4> |
| <pre>public static int nodeCount(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Returns the number of nodes (including leaves) in a list of |
| expressions.</div> |
| <dl> |
| <dt><span class="seeLabel">另请参阅:</span></dt> |
| <dd><a href="../../../../org/apache/calcite/rex/RexNode.html#nodeCount--"><code>RexNode.nodeCount()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isConstant-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>isConstant</h4> |
| <pre>public static boolean isConstant(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether node is made up of constants.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - Node to inspect</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if node is made up of constants, false otherwise</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isDeterministic-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>isDeterministic</h4> |
| <pre>public static boolean isDeterministic(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block">Returns whether a given expression is deterministic.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>e</code> - Expression</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if tree result is deterministic, false otherwise</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="retainDeterministic-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>retainDeterministic</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> retainDeterministic(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> list)</pre> |
| </li> |
| </ul> |
| <a name="findOperatorCall-org.apache.calcite.sql.SqlOperator-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>findOperatorCall</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> findOperatorCall(<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> operator, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether a given node contains a RexCall with a specified operator</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>operator</code> - Operator to look for</dd> |
| <dd><code>node</code> - a RexNode tree</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="containsInputRef-org.apache.calcite.rex.RexNode-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containsInputRef</h4> |
| <pre>public static boolean containsInputRef(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether a given tree contains any {link RexInputRef} nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - a RexNode tree</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="containsFieldAccess-org.apache.calcite.rex.RexNode-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>containsFieldAccess</h4> |
| <pre>public static boolean containsFieldAccess(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether a given tree contains any |
| <a href="../../../../org/apache/calcite/rex/RexFieldAccess.html" title="org.apache.calcite.rex中的类"><code>RexFieldAccess</code></a> nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - a RexNode tree</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="requiresDecimalExpansion-org.apache.calcite.rex.RexNode-boolean-"> |
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| <h4>requiresDecimalExpansion</h4> |
| <pre>public static boolean requiresDecimalExpansion(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr, |
| boolean recurse)</pre> |
| <div class="block">Determines whether a <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类"><code>RexCall</code></a> requires decimal expansion. It |
| usually requires expansion if it has decimal operands. |
| |
| <p>Exceptions to this rule are: |
| |
| <ul> |
| <li>isNull doesn't require expansion |
| <li>It's okay to cast decimals to and from char types |
| <li>It's okay to cast nulls as decimals |
| <li>Casts require expansion if their return type is decimal |
| <li>Reinterpret casts can handle a decimal operand |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>expr</code> - expression possibly in need of expansion</dd> |
| <dd><code>recurse</code> - whether to check nested calls</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>whether the expression requires expansion</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="requiresDecimalExpansion-java.util.List-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>requiresDecimalExpansion</h4> |
| <pre>public static boolean requiresDecimalExpansion(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> operands, |
| boolean recurse)</pre> |
| <div class="block">Determines whether any operand of a set requires decimal expansion</div> |
| </li> |
| </ul> |
| <a name="requiresDecimalExpansion-org.apache.calcite.rex.RexProgram-boolean-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>requiresDecimalExpansion</h4> |
| <pre>public static boolean requiresDecimalExpansion(<a href="../../../../org/apache/calcite/rex/RexProgram.html" title="org.apache.calcite.rex中的类">RexProgram</a> program, |
| boolean recurse)</pre> |
| <div class="block">Returns whether a <a href="../../../../org/apache/calcite/rex/RexProgram.html" title="org.apache.calcite.rex中的类"><code>RexProgram</code></a> contains expressions which require |
| decimal expansion.</div> |
| </li> |
| </ul> |
| <a name="canReinterpretOverflow-org.apache.calcite.rex.RexCall-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>canReinterpretOverflow</h4> |
| <pre>public static boolean canReinterpretOverflow(<a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</pre> |
| </li> |
| </ul> |
| <a name="containNoCommonExprs-java.util.List-org.apache.calcite.util.Litmus-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containNoCommonExprs</h4> |
| <pre>public static boolean containNoCommonExprs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</pre> |
| <div class="block">Returns whether an array of expressions has any common sub-expressions.</div> |
| </li> |
| </ul> |
| <a name="containNoForwardRefs-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>containNoForwardRefs</h4> |
| <pre>public static boolean containNoForwardRefs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> inputRowType, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</pre> |
| <div class="block">Returns whether an array of expressions contains no forward references. |
| That is, if expression #i contains a <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> referencing |
| field i or greater.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>exprs</code> - Array of expressions</dd> |
| <dd><code>inputRowType</code> - Input row type</dd> |
| <dd><code>litmus</code> - What to do if an error is detected (there is a |
| forward reference)</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Whether there is a forward reference</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="containComplexExprs-java.util.List-"> |
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| <h4>containComplexExprs</h4> |
| <pre>public static boolean containComplexExprs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs)</pre> |
| <div class="block">Returns whether a list of expressions contains complex expressions, that |
| is, a call whose arguments are not <a href="../../../../org/apache/calcite/rex/RexVariable.html" title="org.apache.calcite.rex中的类"><code>RexVariable</code></a> (or a subtype such |
| as <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a>) or <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类"><code>RexLiteral</code></a>.</div> |
| </li> |
| </ul> |
| <a name="containsTableInputRef-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>containsTableInputRef</h4> |
| <pre>public static boolean containsTableInputRef(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Returns whether any of the given expression trees contains a |
| {link RexTableInputRef} node.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>nodes</code> - a list of RexNode trees</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if at least one was found, otherwise false</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="containsTableInputRef-org.apache.calcite.rex.RexNode-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>containsTableInputRef</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a> containsTableInputRef(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether a given tree contains any {link RexTableInputRef} nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - a RexNode tree</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>first such node found or null if it there is no such node</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isAtomic-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>isAtomic</h4> |
| <pre>public static boolean isAtomic(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| </li> |
| </ul> |
| <a name="isCallTo-org.apache.calcite.rex.RexNode-org.apache.calcite.sql.SqlOperator-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>isCallTo</h4> |
| <pre>public static boolean isCallTo(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr, |
| <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> op)</pre> |
| <div class="block">Returns whether a <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>node</code></a> is a <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类"><code>call</code></a> to a |
| given <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类"><code>operator</code></a>.</div> |
| </li> |
| </ul> |
| <a name="createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>createStructType</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> createStructType(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs)</pre> |
| <div class="block">Creates a record type with anonymous field names.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>typeFactory</code> - Type factory</dd> |
| <dd><code>exprs</code> - Expressions</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Record type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-java.util.List-org.apache.calcite.sql.validate.SqlValidatorUtil.Suggester-"> |
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| </a> |
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| <h4>createStructType</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> createStructType(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names, |
| <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorUtil.Suggester.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorUtil.Suggester</a> suggester)</pre> |
| <div class="block">Creates a record type with specified field names. |
| |
| <p>The array of field names may be null, or any of the names within it |
| can be null. We recommend using explicit names where possible, because it |
| makes it much easier to figure out the intent of fields when looking at |
| planner output.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>typeFactory</code> - Type factory</dd> |
| <dd><code>exprs</code> - Expressions</dd> |
| <dd><code>names</code> - Field names, may be null, or elements may be null</dd> |
| <dd><code>suggester</code> - Generates alternative names if <code>names</code> is not |
| null and its elements are not unique</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Record type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createStructType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-java.util.List-"> |
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| </a> |
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| <h4>createStructType</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> createStructType(<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFactory</a> typeFactory, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> names)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
| <a name="compatibleTypes-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-"> |
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| <h4>compatibleTypes</h4> |
| <pre>public static boolean compatibleTypes(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> type, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</pre> |
| <div class="block">Returns whether the type of an array of expressions is compatible with a |
| struct type.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>exprs</code> - Array of expressions</dd> |
| <dd><code>type</code> - Type</dd> |
| <dd><code>litmus</code> - What to do if an error is detected (there is a mismatch)</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Whether every expression has the same type as the corresponding |
| member of the struct type</dd> |
| <dt><span class="seeLabel">另请参阅:</span></dt> |
| <dd><a href="../../../../org/apache/calcite/plan/RelOptUtil.html#eq-java.lang.String-org.apache.calcite.rel.type.RelDataType-java.lang.String-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-"><code>RelOptUtil.eq(String, RelDataType, String, RelDataType, org.apache.calcite.util.Litmus)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="makeKey-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>makeKey</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/util/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> makeKey(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| <div class="block">Creates a key for <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>RexNode</code></a> which is the same as another key of |
| another RexNode only if the two have both the same type and textual |
| representation. For example, "10" integer and "10" bigint result in |
| different keys.</div> |
| </li> |
| </ul> |
| <a name="containIdentity-java.util.List-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.util.Litmus-"> |
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| <h4>containIdentity</h4> |
| <pre>public static boolean containIdentity(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType, |
| <a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a> litmus)</pre> |
| <div class="block">Returns whether the leading edge of a given array of expressions is |
| wholly <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> objects with types corresponding to the |
| underlying datatype.</div> |
| </li> |
| </ul> |
| <a name="isIdentity-java.util.List-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>isIdentity</h4> |
| <pre>public static boolean isIdentity(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exps, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> inputRowType)</pre> |
| <div class="block">Returns whether a list of expressions projects the incoming fields.</div> |
| </li> |
| </ul> |
| <a name="composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-"> |
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| <h4>composeConjunction</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/javax/annotation/Nonnull.html?is-external=true" title="javax.annotation中的类或接口">@Nonnull</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> composeConjunction(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">As <a href="../../../../org/apache/calcite/rex/RexUtil.html#composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-"><code>composeConjunction(RexBuilder, Iterable, boolean)</code></a> but never |
| returns null.</div> |
| </li> |
| </ul> |
| <a name="composeConjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-"> |
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| <h4>composeConjunction</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> composeConjunction(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean nullOnEmpty)</pre> |
| <div class="block">Converts a collection of expressions into an AND. |
| If there are zero expressions, returns TRUE. |
| If there is one expression, returns just that expression. |
| If any of the expressions are FALSE, returns FALSE. |
| Removes expressions that always evaluate to TRUE. |
| Returns null only if <code>nullOnEmpty</code> and expression is TRUE.</div> |
| </li> |
| </ul> |
| <a name="flattenAnd-java.lang.Iterable-"> |
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| <h4>flattenAnd</h4> |
| <pre>public static com.google.common.collect.ImmutableList<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> flattenAnd(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Flattens a list of AND nodes. |
| |
| <p>Treats null nodes as literal TRUE (i.e. ignores them).</div> |
| </li> |
| </ul> |
| <a name="composeDisjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-"> |
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| <h4>composeDisjunction</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/javax/annotation/Nonnull.html?is-external=true" title="javax.annotation中的类或接口">@Nonnull</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> composeDisjunction(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Converts a collection of expressions into an OR. |
| If there are zero expressions, returns FALSE. |
| If there is one expression, returns just that expression. |
| If any of the expressions are TRUE, returns TRUE. |
| Removes expressions that always evaluate to FALSE. |
| Flattens expressions that are ORs.</div> |
| </li> |
| </ul> |
| <a name="composeDisjunction-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-"> |
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| <h4>composeDisjunction</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> composeDisjunction(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean nullOnEmpty)</pre> |
| <div class="block">Converts a collection of expressions into an OR, |
| optionally returning null if the list is empty.</div> |
| </li> |
| </ul> |
| <a name="flattenOr-java.lang.Iterable-"> |
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| <h4>flattenOr</h4> |
| <pre>public static com.google.common.collect.ImmutableList<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> flattenOr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Flattens a list of OR nodes.</div> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.util.List-"> |
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| </a> |
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| <h4>apply</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>> apply(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>> collationList)</pre> |
| <div class="block">Applies a mapping to a collation list.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>mapping</code> - Mapping</dd> |
| <dd><code>collationList</code> - Collation list</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>collation list with mapping applied to each field</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rel.RelCollation-"> |
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| </a> |
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| <h4>apply</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a> apply(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a> collation)</pre> |
| <div class="block">Applies a mapping to a collation.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>mapping</code> - Mapping</dd> |
| <dd><code>collation</code> - Collation</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>collation with mapping applied</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rel.RelFieldCollation-"> |
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| </a> |
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| <h4>apply</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a> apply(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a> fieldCollation)</pre> |
| <div class="block">Applies a mapping to a field collation. |
| |
| <p>If the field is not mapped, returns null.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>mapping</code> - Mapping</dd> |
| <dd><code>fieldCollation</code> - Field collation</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>collation with mapping applied</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="applyFields-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.util.List-"> |
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| </a> |
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| <h4>applyFields</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a>> applyFields(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelFieldCollation.html" title="org.apache.calcite.rel中的类">RelFieldCollation</a>> fieldCollations)</pre> |
| <div class="block">Applies a mapping to a list of field collations.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>mapping</code> - Mapping</dd> |
| <dd><code>fieldCollations</code> - Field collations</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>collations with mapping applied</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-org.apache.calcite.rex.RexNode-"> |
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| <h4>apply</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> apply(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Applies a mapping to an expression.</div> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.util.mapping.Mappings.TargetMapping-java.lang.Iterable-"> |
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| <h4>apply</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> apply(<a href="../../../../org/apache/calcite/util/mapping/Mappings.TargetMapping.html" title="org.apache.calcite.util.mapping中的接口">Mappings.TargetMapping</a> mapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Applies a mapping to an iterable over expressions.</div> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.rex.RexVisitor-org.apache.calcite.rex.RexNode:A-"> |
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| </a><a name="apply-org.apache.calcite.rex.RexVisitor-T:A-"> |
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| <h4>apply</h4> |
| <pre>public static <T extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> T[] apply(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><T> shuttle, |
| T[] exprs)</pre> |
| <div class="block">Applies a shuttle to an array of expressions. Creates a copy first.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>shuttle</code> - Shuttle</dd> |
| <dd><code>exprs</code> - Array of expressions</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.rex.RexVisitor-org.apache.calcite.rex.RexNode:A-org.apache.calcite.rex.RexNode-"> |
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| <h4>apply</h4> |
| <pre>public static void apply(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>> visitor, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>[] exprs, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| <div class="block">Applies a visitor to an array of expressions and, if specified, a single |
| expression.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>visitor</code> - Visitor</dd> |
| <dd><code>exprs</code> - Array of expressions</dd> |
| <dd><code>expr</code> - Single expression, may be null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.calcite.rex.RexVisitor-java.util.List-org.apache.calcite.rex.RexNode-"> |
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| <h4>apply</h4> |
| <pre>public static void apply(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="org.apache.calcite.rex中的接口">RexVisitor</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| <div class="block">Applies a visitor to a list of expressions and, if specified, a single |
| expression.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>visitor</code> - Visitor</dd> |
| <dd><code>exprs</code> - List of expressions</dd> |
| <dd><code>expr</code> - Single expression, may be null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="flatten-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>flatten</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> flatten(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Flattens an expression. |
| |
| <p>Returns the same expression if it is already flat.</div> |
| </li> |
| </ul> |
| <a name="flatten-java.util.List-org.apache.calcite.sql.SqlOperator-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>flatten</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> flatten(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> exprs, |
| <a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a> op)</pre> |
| <div class="block">Converts a list of operands into a list that is flat with respect to |
| the given operator. The operands are assumed to be flat already.</div> |
| </li> |
| </ul> |
| <a name="isFlat-org.apache.calcite.rex.RexNode-"> |
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| <h4>isFlat</h4> |
| <pre>public static boolean isFlat(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> expr)</pre> |
| <div class="block">Returns false if the expression can be optimized by flattening |
| calls to an associative operator such as AND and OR.</div> |
| </li> |
| </ul> |
| <a name="isLosslessCast-org.apache.calcite.rex.RexNode-"> |
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| <h4>isLosslessCast</h4> |
| <pre>public static boolean isLosslessCast(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Returns whether the input is a 'loss-less' cast, that is, a cast from which |
| the original value of the field can be certainly recovered. |
| |
| <p>For instance, int → bigint is loss-less (as you can cast back to |
| int without loss of information), but bigint → int is not loss-less. |
| |
| <p>The implementation of this method does not return false positives. |
| However, it is not complete.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>node</code> - input node to verify if it represents a loss-less cast</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true iff the node is a loss-less cast</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isLosslessCast-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>isLosslessCast</h4> |
| <pre>@API(since="1.22", |
| status=EXPERIMENTAL) |
| public static boolean isLosslessCast(<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> source, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> target)</pre> |
| <div class="block">Returns whether the conversion from <code>source</code> to <code>target</code> type |
| is a 'loss-less' cast, that is, a cast from which |
| the original value of the field can be certainly recovered. |
| |
| <p>For instance, int → bigint is loss-less (as you can cast back to |
| int without loss of information), but bigint → int is not loss-less. |
| |
| <p>The implementation of this method does not return false positives. |
| However, it is not complete.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>source</code> - source type</dd> |
| <dd><code>target</code> - target type</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true iff the conversion is a loss-less cast</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toCnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toCnf</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> toCnf(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</pre> |
| <div class="block">Converts an expression to conjunctive normal form (CNF). |
| |
| <p>The following expression is in CNF: |
| |
| <blockquote>(a OR b) AND (c OR d)</blockquote> |
| |
| <p>The following expression is not in CNF: |
| |
| <blockquote>(a AND b) OR c</blockquote> |
| |
| <p>but can be converted to CNF: |
| |
| <blockquote>(a OR c) AND (b OR c)</blockquote> |
| |
| <p>The following expression is not in CNF: |
| |
| <blockquote>NOT (a OR NOT b)</blockquote> |
| |
| <p>but can be converted to CNF by applying de Morgan's theorem: |
| |
| <blockquote>NOT a AND b</blockquote> |
| |
| <p>Expressions not involving AND, OR or NOT at the top level are in CNF.</div> |
| </li> |
| </ul> |
| <a name="toCnf-org.apache.calcite.rex.RexBuilder-int-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toCnf</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> toCnf(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| int maxCnfNodeCount, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</pre> |
| <div class="block">Similar to <a href="../../../../org/apache/calcite/rex/RexUtil.html#toCnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"><code>toCnf(RexBuilder, RexNode)</code></a>; however, it lets you |
| specify a threshold in the number of nodes that can be created out of |
| the conversion. |
| |
| <p>If the number of resulting nodes exceeds that threshold, |
| stops conversion and returns the original expression. |
| |
| <p>If the threshold is negative it is ignored. |
| |
| <p>Leaf nodes in the expression do not count towards the threshold.</div> |
| </li> |
| </ul> |
| <a name="toDnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toDnf</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> toDnf(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> rex)</pre> |
| <div class="block">Converts an expression to disjunctive normal form (DNF). |
| |
| <p>DNF: It is a form of logical formula which is disjunction of conjunctive |
| clauses. |
| |
| <p>All logical formulas can be converted into DNF. |
| |
| <p>The following expression is in DNF: |
| |
| <blockquote>(a AND b) OR (c AND d)</blockquote> |
| |
| <p>The following expression is not in CNF: |
| |
| <blockquote>(a OR b) AND c</blockquote> |
| |
| <p>but can be converted to DNF: |
| |
| <blockquote>(a AND c) OR (b AND c)</blockquote> |
| |
| <p>The following expression is not in CNF: |
| |
| <blockquote>NOT (a OR NOT b)</blockquote> |
| |
| <p>but can be converted to DNF by applying de Morgan's theorem: |
| |
| <blockquote>NOT a AND b</blockquote> |
| |
| <p>Expressions not involving AND, OR or NOT at the top level are in DNF.</div> |
| </li> |
| </ul> |
| <a name="exists-java.util.List-org.apache.calcite.linq4j.function.Predicate1-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>exists</h4> |
| <pre>public static <E> boolean exists(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends E> list, |
| <a href="../../../../org/apache/calcite/linq4j/function/Predicate1.html" title="org.apache.calcite.linq4j.function中的接口">Predicate1</a><E> predicate)</pre> |
| <div class="block">Returns whether there is an element in <code>list</code> for which |
| <code>predicate</code> is true.</div> |
| </li> |
| </ul> |
| <a name="all-java.util.List-org.apache.calcite.linq4j.function.Predicate1-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>all</h4> |
| <pre>public static <E> boolean all(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends E> list, |
| <a href="../../../../org/apache/calcite/linq4j/function/Predicate1.html" title="org.apache.calcite.linq4j.function中的接口">Predicate1</a><E> predicate)</pre> |
| <div class="block">Returns whether <code>predicate</code> is true for all elements of |
| <code>list</code>.</div> |
| </li> |
| </ul> |
| <a name="shift-org.apache.calcite.rex.RexNode-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shift</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> shift(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| int offset)</pre> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div> |
| </li> |
| </ul> |
| <a name="shift-java.lang.Iterable-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shift</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> shift(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| int offset)</pre> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div> |
| </li> |
| </ul> |
| <a name="shift-org.apache.calcite.rex.RexNode-int-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shift</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> shift(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| int start, |
| int offset)</pre> |
| <div class="block">Shifts every <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a> in an expression higher than <code>start</code> |
| by <code>offset</code>.</div> |
| </li> |
| </ul> |
| <a name="pullFactors-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>pullFactors</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> pullFactors(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node)</pre> |
| <div class="block">Creates an equivalent version of a node where common factors among ORs |
| are pulled up. |
| |
| <p>For example, |
| |
| <blockquote>(a AND b) OR (a AND c AND d)</blockquote> |
| |
| <p>becomes |
| |
| <blockquote>a AND (b OR (c AND d))</blockquote> |
| |
| <p>Note that this result is not in CNF |
| (see <a href="../../../../org/apache/calcite/rex/RexUtil.html#toCnf-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"><code>toCnf(RexBuilder, RexNode)</code></a>) because there is an AND inside an |
| OR. |
| |
| <p>This form is useful if, say, <code>a</code> contains columns from only the |
| left-hand side of a join, and can be pushed to the left input.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>rexBuilder</code> - Rex builder</dd> |
| <dd><code>node</code> - Expression to transform</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Equivalent expression with common factors pulled up</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="fixUp-org.apache.calcite.rex.RexBuilder-java.util.List-org.apache.calcite.rel.type.RelDataType-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>fixUp</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> fixUp(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> rowType)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
| <a name="fixUp-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>fixUp</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> fixUp(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>> fieldTypes)</pre> |
| <div class="block">Fixes up the type of all <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="org.apache.calcite.rex中的类"><code>RexInputRef</code></a>s in an |
| expression to match differences in nullability. |
| |
| <p>Such differences in nullability occur when expressions are moved |
| through outer joins. |
| |
| <p>Throws if there any greater inconsistencies of type.</div> |
| </li> |
| </ul> |
| <a name="types-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>types</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>> types(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Transforms a list of expressions into a list of their types.</div> |
| </li> |
| </ul> |
| <a name="families-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>families</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeFamily.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeFamily</a>> families(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>> types)</pre> |
| </li> |
| </ul> |
| <a name="removeAll-java.util.List-org.apache.calcite.rex.RexNode-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>removeAll</h4> |
| <pre>public static boolean removeAll(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> targets, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block">Removes all expressions from a list that are equivalent to a given |
| expression. Returns whether any were removed.</div> |
| </li> |
| </ul> |
| <a name="eq-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexNode-"> |
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| </a> |
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| <h4>eq</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static boolean eq(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e1, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e2)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| <div class="block">Returns whether two <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类"><code>RexNode</code></a>s are structurally equal. |
| |
| <p>This method considers structure, not semantics. 'x < y' is not |
| equivalent to 'y > x'.</div> |
| </li> |
| </ul> |
| <a name="simplifyPreservingType-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>simplifyPreservingType</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyPreservingType(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> <span class="deprecationComment">Use <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplifyPreservingType-org.apache.calcite.rex.RexNode-"><code>RexSimplify.simplifyPreservingType(RexNode)</code></a>, |
| which allows you to specify an <a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="org.apache.calcite.rex中的接口"><code>RexExecutor</code></a>.</span></div> |
| <div class="block">Simplifies a boolean expression, always preserving its type and its |
| nullability. |
| |
| <p>This is useful if you are simplifying expressions in a |
| <a href="../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类"><code>Project</code></a>.</div> |
| </li> |
| </ul> |
| <a name="simplify-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>simplify</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplify(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> <span class="deprecationComment">Create a <a href="../../../../org/apache/calcite/rex/RexSimplify.html" title="org.apache.calcite.rex中的类"><code>RexSimplify</code></a>, then call its |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplify-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplify(RexNode, RexUnknownAs)</code></a> method.</span></div> |
| <div class="block">Simplifies a boolean expression, leaving UNKNOWN values as UNKNOWN, and |
| using the default executor.</div> |
| </li> |
| </ul> |
| <a name="simplify-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>simplify</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplify(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| boolean unknownAsFalse)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> <span class="deprecationComment">Create a <a href="../../../../org/apache/calcite/rex/RexSimplify.html" title="org.apache.calcite.rex中的类"><code>RexSimplify</code></a>, then call its |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplify-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplify(RexNode, RexUnknownAs)</code></a> method.</span></div> |
| <div class="block">Simplifies a boolean expression, |
| using the default executor. |
| |
| <p>In particular:</p> |
| <ul> |
| <li><code>simplify(x = 1 AND y = 2 AND NOT x = 1)</code> |
| returns <code>y = 2</code></li> |
| <li><code>simplify(x = 1 AND FALSE)</code> |
| returns <code>FALSE</code></li> |
| </ul> |
| |
| <p>If the expression is a predicate in a WHERE clause, UNKNOWN values have |
| the same effect as FALSE. In situations like this, specify |
| <code>unknownAsFalse = true</code>, so and we can switch from 3-valued logic to |
| simpler 2-valued logic and make more optimizations.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>rexBuilder</code> - Rex builder</dd> |
| <dd><code>e</code> - Expression to simplify</dd> |
| <dd><code>unknownAsFalse</code> - Whether to convert UNKNOWN values to FALSE</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="simplifyAnds-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-"> |
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| </a> |
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| <h4>simplifyAnds</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyAnds(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> <span class="deprecationComment">Use |
| <a href="../../../../org/apache/calcite/rex/RexSimplify.html#simplifyAnds-java.lang.Iterable-org.apache.calcite.rex.RexUnknownAs-"><code>RexSimplify.simplifyAnds(Iterable, RexUnknownAs)</code></a>.</span></div> |
| <div class="block">Simplifies a conjunction of boolean expressions.</div> |
| </li> |
| </ul> |
| <a name="simplifyAnds-org.apache.calcite.rex.RexBuilder-java.lang.Iterable-boolean-"> |
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| <h4>simplifyAnds</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyAnds(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes, |
| boolean unknownAsFalse)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
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| <h4>not</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> not(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e)</pre> |
| <div class="block">Negates a logical expression by adding or removing a NOT.</div> |
| </li> |
| </ul> |
| <a name="simplifyAnd-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-boolean-"> |
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| <h4>simplifyAnd</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyAnd(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> e, |
| boolean unknownAsFalse)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyAnd2(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyAnd2ForUnknownAsFalse(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
| <a name="negate-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-"> |
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| <h4>negate</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> negate(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</pre> |
| </li> |
| </ul> |
| <a name="invert-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexCall-"> |
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| <h4>invert</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> invert(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</pre> |
| </li> |
| </ul> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyOr(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
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| <h4>simplifyOrs</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> simplifyOrs(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> terms)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
| <a name="andNot-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-org.apache.calcite.rex.RexNode...-"> |
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| <h4>andNot</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> andNot(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>... notTerms)</pre> |
| <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div> |
| </li> |
| </ul> |
| <a name="andNot-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.lang.Iterable-"> |
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| <h4>andNot</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/javax/annotation/Nonnull.html?is-external=true" title="javax.annotation中的类或接口">@Nonnull</a> |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> andNot(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> e, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="java.lang中的类或接口">Iterable</a><? extends <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notTerms)</pre> |
| <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>. |
| |
| <p>Examples: |
| <ul> |
| <li>andNot(p) returns "p" |
| <li>andNot(p, n1, n2) returns "p AND NOT n1 AND NOT n2" |
| <li>andNot(x = 10, x = 20, y = 30, x = 30) |
| returns "x = 10 AND NOT (y = 30)" |
| </ul></div> |
| </li> |
| </ul> |
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| <pre>public static boolean isCasePredicate(<a href="../../../../org/apache/calcite/rex/RexCall.html" title="org.apache.calcite.rex中的类">RexCall</a> call, |
| int i)</pre> |
| <div class="block">Returns whether a given operand of a CASE expression is a predicate. |
| |
| <p>A switched case (CASE x WHEN x1 THEN v1 ... ELSE e END) has an even |
| number of arguments and odd-numbered arguments are predicates. |
| |
| <p>A condition case (CASE WHEN p1 THEN v1 ... ELSE e END) has an odd |
| number of arguments and even-numbered arguments are predicates, except for |
| the last argument.</div> |
| </li> |
| </ul> |
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| <h4>notFn</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public static com.google.common.base.Function<<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>,<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> notFn(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> <span class="deprecationComment">Use <a href="../../../../org/apache/calcite/rex/RexUtil.html#not-org.apache.calcite.rex.RexNode-"><code>not(org.apache.calcite.rex.RexNode)</code></a></span></div> |
| <div class="block">Returns a function that applies NOT to its argument.</div> |
| </li> |
| </ul> |
| <a name="containsCorrelation-org.apache.calcite.rex.RexNode-"> |
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| <h4>containsCorrelation</h4> |
| <pre>public static boolean containsCorrelation(<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> condition)</pre> |
| <div class="block">Returns whether an expression contains a <a href="../../../../org/apache/calcite/rex/RexCorrelVariable.html" title="org.apache.calcite.rex中的类"><code>RexCorrelVariable</code></a>.</div> |
| </li> |
| </ul> |
| <a name="swapTableReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-"> |
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| <h4>swapTableReferences</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> swapTableReferences(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping)</pre> |
| <div class="block">Given an expression, it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the map.</div> |
| </li> |
| </ul> |
| <a name="swapColumnReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-"> |
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| <h4>swapColumnReferences</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> swapColumnReferences(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec)</pre> |
| <div class="block">Given an expression, it will swap its column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> |
| using the contents in the map (in particular, the first element of the set in the |
| map value).</div> |
| </li> |
| </ul> |
| <a name="swapTableColumnReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-java.util.Map-"> |
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| </a> |
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| <h4>swapTableColumnReferences</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> swapTableColumnReferences(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec)</pre> |
| <div class="block">Given an expression, it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the first map, and then |
| it will swap the column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents |
| in the second map (in particular, the first element of the set in the map value).</div> |
| </li> |
| </ul> |
| <a name="swapColumnTableReferences-org.apache.calcite.rex.RexBuilder-org.apache.calcite.rex.RexNode-java.util.Map-java.util.Map-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>swapColumnTableReferences</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> swapColumnTableReferences(<a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef</a>>> ec, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>,<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> tableMapping)</pre> |
| <div class="block">Given an expression, it will swap the column references <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> |
| using the contents in the first map (in particular, the first element of the set |
| in the map value), and then it will swap the table references contained in its |
| <a href="../../../../org/apache/calcite/rex/RexTableInputRef.html" title="org.apache.calcite.rex中的类"><code>RexTableInputRef</code></a> using the contents in the second map.</div> |
| </li> |
| </ul> |
| <a name="gatherTableReferences-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>gatherTableReferences</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="java.util中的类或接口">Set</a><<a href="../../../../org/apache/calcite/rex/RexTableInputRef.RelTableRef.html" title="org.apache.calcite.rex中的类">RexTableInputRef.RelTableRef</a>> gatherTableReferences(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> nodes)</pre> |
| <div class="block">Gather all table references in input expressions.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>nodes</code> - expressions</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>set of table references</dd> |
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| <h4>strings</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> strings(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>> list)</pre> |
| <div class="block">Transforms a list of expressions to the list of digests.</div> |
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