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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.util</a></div> |
| <h1 title="Class Sarg" class="title">Class Sarg<C extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><C>></h1> |
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| <div class="inheritance">org.apache.calcite.util.Sarg<C></div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>C</code> - Value type</dd> |
| </dl> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><C>></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">Sarg<C extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><C>></span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> |
| implements <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><C>></pre> |
| <div class="block">Set of values (or ranges) that are the target of a search. |
| |
| <p>The name is derived from <b>S</b>earch <b>arg</b>ument, an ancient |
| concept in database implementation; see Access Path Selection in a Relational |
| Database Management System — Selinger et al. 1979 or the |
| "<a href="https://blog.acolyer.org/2016/01/04/access-path-selection/">morning |
| paper summary</a>. |
| |
| <p>In RexNode, a Sarg only occur as the right-hand operand in a call to |
| <a href="../sql/fun/SqlStdOperatorTable.html#SEARCH"><code>SqlStdOperatorTable.SEARCH</code></a>, wrapped in a |
| <a href="../rex/RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a>. Lifecycle methods: |
| |
| <ul> |
| <li><a href="../rex/RexUtil.html#expandSearch(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexProgram,org.apache.calcite.rex.RexNode)"><code>RexUtil.expandSearch(org.apache.calcite.rex.RexBuilder, org.apache.calcite.rex.RexProgram, org.apache.calcite.rex.RexNode)</code></a> removes |
| calls to SEARCH and the included Sarg, converting them to comparisons; |
| <li><a href="../rex/RexSimplify.html" title="class in org.apache.calcite.rex"><code>RexSimplify</code></a> converts complex comparisons |
| on the same argument into SEARCH calls with an included Sarg; |
| <li>Various <a href="../tools/RelBuilder.html" title="class in org.apache.calcite.tools"><code>RelBuilder</code></a> methods, |
| including <a href="../tools/RelBuilder.html#in(org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode...)"><code>RelBuilder.in(org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexNode...)</code></a> |
| and <a href="../tools/RelBuilder.html#between(org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode)"><code>RelBuilder.between(org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexNode)</code></a> |
| call <a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex"><code>RexBuilder</code></a> |
| methods <a href="../rex/RexBuilder.html#makeIn(org.apache.calcite.rex.RexNode,java.util.List)"><code>RexBuilder.makeIn(org.apache.calcite.rex.RexNode, java.util.List<? extends org.apache.calcite.rex.RexNode>)</code></a> |
| and <a href="../rex/RexBuilder.html#makeBetween(org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode)"><code>RexBuilder.makeBetween(org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexNode)</code></a> |
| that create Sarg instances directly; |
| <li><a href="../rel/rel2sql/SqlImplementor.html" title="class in org.apache.calcite.rel.rel2sql"><code>SqlImplementor</code></a> converts |
| <a href="../rex/RexCall.html" title="class in org.apache.calcite.rex"><code>RexCall</code></a>s |
| to SEARCH into <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> AST expressions |
| such as comparisons, <code>BETWEEN</code> and <code>IN</code>. |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../sql/fun/SqlStdOperatorTable.html#SEARCH"><code>SqlStdOperatorTable.SEARCH</code></a></dd> |
| </dl> |
| </section> |
| <section class="summary"> |
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| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsNull">containsNull</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#pointCount">pointCount</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>com.google.common.collect.RangeSet<<a href="Sarg.html" title="type parameter in Sarg">C</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rangeSet">rangeSet</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
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| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
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| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compareTo(org.apache.calcite.util.Sarg)">compareTo</a></span>​(<a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><<a href="Sarg.html" title="type parameter in Sarg">C</a>> o)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> o)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isComplementedPoints()">isComplementedPoints</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this Sarg, when negated, is a collection of 1 or more |
| points (and perhaps an <code>IS NULL</code> if <a href="#containsNull"><code>containsNull</code></a>).</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isPoints()">isPoints</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this Sarg is a collection of 1 or more points (and perhaps |
| an <code>IS NULL</code> if <a href="#containsNull"><code>containsNull</code></a>).</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>static <C extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><C>><br><a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><C></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(boolean,com.google.common.collect.RangeSet)">of</a></span>​(boolean containsNull, |
| com.google.common.collect.RangeSet<C> rangeSet)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a search argument.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#printTo(java.lang.StringBuilder,java.util.function.BiConsumer)">printTo</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> sb, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/function/BiConsumer.html?is-external=true" title="class or interface in java.util.function" class="externalLink">BiConsumer</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a>,​<a href="Sarg.html" title="type parameter in Sarg">C</a>> valuePrinter)</code></th> |
| <td class="colLast"> |
| <div class="block">Prints this Sarg to a StringBuilder, using the given printer to deal |
| with each embedded value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li class="blockList"> |
| <section class="fieldDetails"><a id="field.detail"> |
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| <h2>Field Details</h2> |
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| <h3><a id="rangeSet">rangeSet</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">com.google.common.collect.RangeSet<<a href="Sarg.html" title="type parameter in Sarg">C</a> extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="Sarg.html" title="type parameter in Sarg">C</a>>></span> <span class="memberName">rangeSet</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="containsNull">containsNull</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">boolean</span> <span class="memberName">containsNull</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="pointCount">pointCount</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">int</span> <span class="memberName">pointCount</span></div> |
| </section> |
| </li> |
| </ul> |
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| <h2>Method Details</h2> |
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| <section class="detail"> |
| <h3><a id="of(boolean,com.google.common.collect.RangeSet)">of</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="typeParameters"><C extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><C>></span> <span class="returnType"><a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><C></span> <span class="memberName">of</span>​(<span class="arguments">boolean containsNull, |
| com.google.common.collect.RangeSet<C> rangeSet)</span></div> |
| <div class="block">Creates a search argument.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toString()">toString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">toString</span>()</div> |
| <div class="block"> |
| |
| <p>Produces a similar result to <code>RangeSet</code>, but adds ", null" |
| if nulls are matched, and simplifies point ranges. For example, |
| the Sarg that allows the range set |
| |
| <blockquote><code>[[7&#x2025;7], [9&#x2025;9], |
| (10&#x2025;+&infin;)]</code></blockquote> |
| |
| and also null is printed as |
| |
| <blockquote><code>Sarg[7, 9, (10&#x2025;+&infin;), null]</code></blockquote></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="printTo(java.lang.StringBuilder,java.util.function.BiConsumer)">printTo</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a></span> <span class="memberName">printTo</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> sb, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/function/BiConsumer.html?is-external=true" title="class or interface in java.util.function" class="externalLink">BiConsumer</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a>,​<a href="Sarg.html" title="type parameter in Sarg">C</a>> valuePrinter)</span></div> |
| <div class="block">Prints this Sarg to a StringBuilder, using the given printer to deal |
| with each embedded value.</div> |
| </section> |
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| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="compareTo(org.apache.calcite.util.Sarg)">compareTo</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">compareTo</span>​(<span class="arguments"><a href="Sarg.html" title="class in org.apache.calcite.util">Sarg</a><<a href="Sarg.html" title="type parameter in Sarg">C</a>> o)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang" class="externalLink">compareTo</a></code> in interface <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="Sarg.html" title="type parameter in Sarg">C</a> extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a><<a href="Sarg.html" title="type parameter in Sarg">C</a>>></code></dd> |
| </dl> |
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| <h3><a id="hashCode()">hashCode</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">hashCode</span>()</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
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| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="equals(java.lang.Object)">equals</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">equals</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> o)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
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| <h3><a id="isPoints()">isPoints</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isPoints</span>()</div> |
| <div class="block">Returns whether this Sarg is a collection of 1 or more points (and perhaps |
| an <code>IS NULL</code> if <a href="#containsNull"><code>containsNull</code></a>). |
| |
| <p>Such sargs could be translated as <code>ref = value</code> |
| or <code>ref IN (value1, ...)</code>.</div> |
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| <h3><a id="isComplementedPoints()">isComplementedPoints</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isComplementedPoints</span>()</div> |
| <div class="block">Returns whether this Sarg, when negated, is a collection of 1 or more |
| points (and perhaps an <code>IS NULL</code> if <a href="#containsNull"><code>containsNull</code></a>). |
| |
| <p>Such sargs could be translated as <code>ref <> value</code> |
| or <code>ref NOT IN (value1, ...)</code>.</div> |
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