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| <div class="subTitle">org.apache.calcite.rex</div> |
| <h2 title="Class RexNode" class="title">Class RexNode</h2> |
| </div> |
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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="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.rex.RexNode</li> |
| </ul> |
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| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../org/apache/calcite/rex/RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>, <a href="../../../../org/apache/calcite/rex/RexFieldAccess.html" title="class in org.apache.calcite.rex">RexFieldAccess</a>, <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="class in org.apache.calcite.rex">RexLiteral</a>, <a href="../../../../org/apache/calcite/rex/RexRangeRef.html" title="class in org.apache.calcite.rex">RexRangeRef</a>, <a href="../../../../org/apache/calcite/rex/RexVariable.html" title="class in org.apache.calcite.rex">RexVariable</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">RexNode</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Row expression. |
| |
| <p>Every row-expression has a type. |
| (Compare with <a href="../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a>, which is created before |
| validation, and therefore types may not be available.) |
| |
| <p>Some common row-expressions are: <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a> (constant value), |
| <a href="../../../../org/apache/calcite/rex/RexVariable.html" title="class in org.apache.calcite.rex"><code>RexVariable</code></a> (variable), <a href="../../../../org/apache/calcite/rex/RexCall.html" title="class in org.apache.calcite.rex"><code>RexCall</code></a> (call to operator with |
| operands). Expressions are generally created using a <a href="../../../../org/apache/calcite/rex/RexBuilder.html" title="class in org.apache.calcite.rex"><code>RexBuilder</code></a> |
| factory.</p> |
| |
| <p>All sub-classes of RexNode are immutable.</p></div> |
| </li> |
| </ul> |
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| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.Closeable.html" title="interface in org.apache.calcite.rex">RexNode.Closeable</a></span></code> |
| <div class="block">Removes a Hook after use.</div> |
| </td> |
| </tr> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#digest">digest</a></span></code> </td> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#RexNode--">RexNode</a></span>()</code> </td> |
| </tr> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>abstract <R,P> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#accept-org.apache.calcite.rex.RexBiVisitor-P-">accept</a></span>(<a href="../../../../org/apache/calcite/rex/RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a><R,P> visitor, |
| P arg)</code> |
| <div class="block">Accepts a visitor with a payload, dispatching to the right overloaded |
| <a href="../../../../org/apache/calcite/rex/RexBiVisitor.html#visitInputRef-org.apache.calcite.rex.RexInputRef-P-"><code>RexBiVisitor.visitInputRef(RexInputRef, Object)</code></a> visitXxx} method.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>abstract <R> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#accept-org.apache.calcite.rex.RexVisitor-">accept</a></span>(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a><R> visitor)</code> |
| <div class="block">Accepts a visitor, dispatching to the right overloaded |
| <a href="../../../../org/apache/calcite/rex/RexVisitor.html#visitInputRef-org.apache.calcite.rex.RexInputRef-"><code>visitXxx</code></a> method.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> obj)</code></td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#getKind--">getKind</a></span>()</code> |
| <div class="block">Returns the kind of node this is.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#getType--">getType</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>abstract int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#hashCode--">hashCode</a></span>()</code></td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#isA-java.util.Collection-">isA</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>> kinds)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#isA-org.apache.calcite.sql.SqlKind-">isA</a></span>(<a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> kind)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#isAlwaysFalse--">isAlwaysFalse</a></span>()</code> |
| <div class="block">Returns whether this expression always returns false.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#isAlwaysTrue--">isAlwaysTrue</a></span>()</code> |
| <div class="block">Returns whether this expression always returns true.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#needNormalize--">needNormalize</a></span>()</code> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#nodeCount--">nodeCount</a></span>()</code> |
| <div class="block">Returns the number of nodes in this expression.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.Closeable.html" title="interface in org.apache.calcite.rex">RexNode.Closeable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#skipNormalize--">skipNormalize</a></span>()</code> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#toStringRaw--">toStringRaw</a></span>()</code> |
| <div class="block">Returns string representation of this node.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/rex/RexNode.Closeable.html" title="interface in org.apache.calcite.rex">RexNode.Closeable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/rex/RexNode.html#withNormalize-boolean-">withNormalize</a></span>(boolean needNormalize)</code> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
| <a name="digest"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>digest</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> digest</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="RexNode--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>RexNode</h4> |
| <pre>public RexNode()</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <a name="withNormalize-boolean-"> |
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| </a> |
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| <h4>withNormalize</h4> |
| <pre>@API(since="1.22", |
| status=EXPERIMENTAL) |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.Closeable.html" title="interface in org.apache.calcite.rex">RexNode.Closeable</a> withNormalize(boolean needNormalize)</pre> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required. |
| This API enables to skip normalization. |
| Note: the returned value must be closed, and the API is designed to be used with a |
| try-with-resources.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>needNormalize</code> - true if normalization should be enabled or false if it should be skipped</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a handle that should be closed to revert normalization state</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="skipNormalize--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>skipNormalize</h4> |
| <pre>@API(since="1.22", |
| status=EXPERIMENTAL) |
| public static <a href="../../../../org/apache/calcite/rex/RexNode.Closeable.html" title="interface in org.apache.calcite.rex">RexNode.Closeable</a> skipNormalize()</pre> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required. |
| This API enables to skip normalization. |
| Note: the returned value must be closed, and the API is designed to be used with a |
| try-with-resources.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a handle that should be closed to revert normalization state</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="needNormalize--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>needNormalize</h4> |
| <pre>@API(since="1.22", |
| status=EXPERIMENTAL) |
| protected static boolean needNormalize()</pre> |
| <div class="block">The digest of <code>RexNode</code> is normalized by default, however, sometimes a non-normalized |
| representation is required. |
| This method enables subclasses to identify if normalization is required.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the digest needs to be normalized</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getType--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getType</h4> |
| <pre>public abstract <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getType()</pre> |
| </li> |
| </ul> |
| <a name="isAlwaysTrue--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAlwaysTrue</h4> |
| <pre>public boolean isAlwaysTrue()</pre> |
| <div class="block">Returns whether this expression always returns true. (Such as if this |
| expression is equal to the literal <code>TRUE</code>.)</div> |
| </li> |
| </ul> |
| <a name="isAlwaysFalse--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAlwaysFalse</h4> |
| <pre>public boolean isAlwaysFalse()</pre> |
| <div class="block">Returns whether this expression always returns false. (Such as if this |
| expression is equal to the literal <code>FALSE</code>.)</div> |
| </li> |
| </ul> |
| <a name="isA-org.apache.calcite.sql.SqlKind-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isA</h4> |
| <pre>public boolean isA(<a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> kind)</pre> |
| </li> |
| </ul> |
| <a name="isA-java.util.Collection-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isA</h4> |
| <pre>public boolean isA(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>> kinds)</pre> |
| </li> |
| </ul> |
| <a name="getKind--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getKind</h4> |
| <pre>public <a href="../../../../org/apache/calcite/sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> getKind()</pre> |
| <div class="block">Returns the kind of node this is.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Node kind, never null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toStringRaw--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toStringRaw</h4> |
| <pre>@API(since="1.22", |
| status=EXPERIMENTAL) |
| public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toStringRaw()</pre> |
| <div class="block">Returns string representation of this node.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the same as <a href="../../../../org/apache/calcite/rex/RexNode.html#toString--"><code>toString()</code></a>, but without normalizing the output</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nodeCount--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nodeCount</h4> |
| <pre>public int nodeCount()</pre> |
| <div class="block">Returns the number of nodes in this expression. |
| |
| <p>Leaf nodes, such as <a href="../../../../org/apache/calcite/rex/RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> or <a href="../../../../org/apache/calcite/rex/RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a>, have |
| a count of 1. Calls have a count of 1 plus the sum of their operands. |
| |
| <p>Node count is a measure of expression complexity that is used by some |
| planner rules to prevent deeply nested expressions.</div> |
| </li> |
| </ul> |
| <a name="accept-org.apache.calcite.rex.RexVisitor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>accept</h4> |
| <pre>public abstract <R> R accept(<a href="../../../../org/apache/calcite/rex/RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a><R> visitor)</pre> |
| <div class="block">Accepts a visitor, dispatching to the right overloaded |
| <a href="../../../../org/apache/calcite/rex/RexVisitor.html#visitInputRef-org.apache.calcite.rex.RexInputRef-"><code>visitXxx</code></a> method. |
| |
| <p>Also see <a href="../../../../org/apache/calcite/rex/RexUtil.html#apply-org.apache.calcite.rex.RexVisitor-java.util.List-org.apache.calcite.rex.RexNode-"><code>RexUtil.apply(RexVisitor, java.util.List, RexNode)</code></a>, |
| which applies a visitor to several expressions simultaneously.</div> |
| </li> |
| </ul> |
| <a name="accept-org.apache.calcite.rex.RexBiVisitor-java.lang.Object-"> |
| <!-- --> |
| </a><a name="accept-org.apache.calcite.rex.RexBiVisitor-P-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>accept</h4> |
| <pre>public abstract <R,P> R accept(<a href="../../../../org/apache/calcite/rex/RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a><R,P> visitor, |
| P arg)</pre> |
| <div class="block">Accepts a visitor with a payload, dispatching to the right overloaded |
| <a href="../../../../org/apache/calcite/rex/RexBiVisitor.html#visitInputRef-org.apache.calcite.rex.RexInputRef-P-"><code>RexBiVisitor.visitInputRef(RexInputRef, Object)</code></a> visitXxx} method.</div> |
| </li> |
| </ul> |
| <a name="equals-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>equals</h4> |
| <pre>public abstract boolean equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> obj)</pre> |
| <div class="block"> |
| |
| <p>Every node must implement <a href="../../../../org/apache/calcite/rex/RexNode.html#equals-java.lang.Object-"><code>equals(java.lang.Object)</code></a> based on its content</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="hashCode--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>hashCode</h4> |
| <pre>public abstract int hashCode()</pre> |
| <div class="block"> |
| |
| <p>Every node must implement <a href="../../../../org/apache/calcite/rex/RexNode.html#hashCode--"><code>hashCode()</code></a> consistent with |
| <a href="../../../../org/apache/calcite/rex/RexNode.html#equals-java.lang.Object-"><code>equals(java.lang.Object)</code></a></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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