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| <h1 title="Uses of Package org.apache.calcite.rex" class="title">Uses of Package<br>org.apache.calcite.rex</h1> |
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| <table class="useSummary"> |
| <caption><span>Packages that use <a href="package-summary.html">org.apache.calcite.rex</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Package</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.cassandra">org.apache.calcite.adapter.cassandra</a></th> |
| <td class="colLast"> |
| <div class="block">Cassandra query provider.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.csv">org.apache.calcite.adapter.csv</a></th> |
| <td class="colLast"> |
| <div class="block">Calcite query provider that reads from CSV (comma-separated value) files.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.druid">org.apache.calcite.adapter.druid</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a Druid database.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.elasticsearch">org.apache.calcite.adapter.elasticsearch</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on an Elasticsearch2 DB.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.enumerable">org.apache.calcite.adapter.enumerable</a></th> |
| <td class="colLast"> |
| <div class="block">Query optimizer rules for Java calling convention.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.geode.rel">org.apache.calcite.adapter.geode.rel</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on Apache Geode (Gemfire) In Memory Data Grid</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.jdbc">org.apache.calcite.adapter.jdbc</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a JDBC data source.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.mongodb">org.apache.calcite.adapter.mongodb</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a MongoDB database.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.pig">org.apache.calcite.adapter.pig</a></th> |
| <td class="colLast"> |
| <div class="block">Pig query provider.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.spark">org.apache.calcite.adapter.spark</a></th> |
| <td class="colLast"> |
| <div class="block">Adapter based on the Apache Spark data management system.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.splunk">org.apache.calcite.adapter.splunk</a></th> |
| <td class="colLast"> |
| <div class="block">Splunk query provider.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.interpreter">org.apache.calcite.interpreter</a></th> |
| <td class="colLast"> |
| <div class="block">Provides an implementation of relational expressions using an interpreter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.jdbc">org.apache.calcite.jdbc</a></th> |
| <td class="colLast"> |
| <div class="block">JDBC driver for Calcite.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.materialize">org.apache.calcite.materialize</a></th> |
| <td class="colLast"> |
| <div class="block">Management of materialized query results.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.piglet">org.apache.calcite.piglet</a></th> |
| <td class="colLast"> |
| <div class="block">Piglet, a Pig-like language.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan">org.apache.calcite.plan</a></th> |
| <td class="colLast"> |
| <div class="block">Defines interfaces for constructing rule-based optimizers of |
| relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.prepare">org.apache.calcite.prepare</a></th> |
| <td class="colLast"> |
| <div class="block">Preparation of queries (parsing, planning and implementation).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel">org.apache.calcite.rel</a></th> |
| <td class="colLast"> |
| <div class="block">Defines relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.core">org.apache.calcite.rel.core</a></th> |
| <td class="colLast"> |
| <div class="block">Defines core relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.externalize">org.apache.calcite.rel.externalize</a></th> |
| <td class="colLast"> |
| <div class="block">Facilities to externalize <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a>s to and from |
| XML and JSON format.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.logical">org.apache.calcite.rel.logical</a></th> |
| <td class="colLast"> |
| <div class="block">Defines logical relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.metadata">org.apache.calcite.rel.metadata</a></th> |
| <td class="colLast"> |
| <div class="block">Defines metadata interfaces and utilities for relational |
| expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.mutable">org.apache.calcite.rel.mutable</a></th> |
| <td class="colLast"> |
| <div class="block">Defines mutable relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.rel2sql">org.apache.calcite.rel.rel2sql</a></th> |
| <td class="colLast"> |
| <div class="block">Translates a relational expression to SQL parse tree.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.rules">org.apache.calcite.rel.rules</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a core set of planner rules.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rex">org.apache.calcite.rex</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a language for representing row-expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.schema">org.apache.calcite.schema</a></th> |
| <td class="colLast"> |
| <div class="block">Schema SPI.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.schema.impl">org.apache.calcite.schema.impl</a></th> |
| <td class="colLast"> |
| <div class="block">Utilities to help implement Calcite's SPIs.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql">org.apache.calcite.sql</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a SQL parser and object model.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql2rel">org.apache.calcite.sql2rel</a></th> |
| <td class="colLast"> |
| <div class="block">Translates a SQL parse tree to relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.tools">org.apache.calcite.tools</a></th> |
| <td class="colLast"> |
| <div class="block">Provides utility classes.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.adapter.cassandra"> |
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| </a> |
| <table class="useSummary"> |
| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../adapter/cassandra/package-summary.html">org.apache.calcite.adapter.cassandra</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.adapter.cassandra">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.adapter.cassandra">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.adapter.cassandra">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.adapter.cassandra">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.adapter.cassandra">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.adapter.cassandra">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| </a> |
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| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../adapter/csv/package-summary.html">org.apache.calcite.adapter.csv</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.adapter.csv">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.adapter.druid"> |
| <!-- --> |
| </a> |
| <table class="useSummary"> |
| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../adapter/druid/package-summary.html">org.apache.calcite.adapter.druid</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.adapter.druid">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.adapter.druid">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.adapter.druid">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.adapter.elasticsearch"> |
| <!-- --> |
| </a> |
| <table class="useSummary"> |
| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../adapter/elasticsearch/package-summary.html">org.apache.calcite.adapter.elasticsearch</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.adapter.elasticsearch">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.adapter.elasticsearch">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.adapter.elasticsearch">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.adapter.elasticsearch">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.adapter.elasticsearch">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.adapter.elasticsearch">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.adapter.elasticsearch">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.adapter.elasticsearch">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.adapter.enumerable"> |
| <!-- --> |
| </a> |
| <table class="useSummary"> |
| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../adapter/enumerable/package-summary.html">org.apache.calcite.adapter.enumerable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.adapter.enumerable">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.adapter.enumerable">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexDynamicParam.html#org.apache.calcite.adapter.enumerable">RexDynamicParam</a></th> |
| <td class="colLast"> |
| <div class="block">Dynamic parameter reference in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
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| <td class="colLast"> |
| <div class="block">Row expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.adapter.enumerable">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
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| <td class="colLast"> |
| <div class="block">Scalar expression that represents an IN, EXISTS or scalar sub-query.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.adapter.enumerable">RexVisitor</a></th> |
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| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <div class="block">Factory for row expressions.</div> |
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| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <div class="block">Variable which references a field of an input relational expression.</div> |
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| <div class="block">Constant value in a row-expression.</div> |
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| <div class="block">Row expression.</div> |
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| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <div class="block">Row expression.</div> |
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| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.adapter.jdbc">RexVisitor</a></th> |
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| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.adapter.jdbc">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.adapter.mongodb">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
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| <div class="block">Constant value in a row-expression.</div> |
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| <td class="colLast"> |
| <div class="block">Row expression.</div> |
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| <tr class="altColor"> |
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| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.adapter.mongodb">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <div class="block">Constant value in a row-expression.</div> |
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| <td class="colLast"> |
| <div class="block">Row expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.adapter.spark">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
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| <tr class="rowColor"> |
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| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
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| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.interpreter">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
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| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.piglet">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.piglet">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.piglet">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.piglet">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.piglet">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.piglet">RexShuttle</a></th> |
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| <div class="block">Passes over a row-expression, calling a handler method for each node, |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.piglet">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.piglet">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.plan">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.plan">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCorrelVariable.html#org.apache.calcite.plan">RexCorrelVariable</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to the current row of a correlating relational expression.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexExecutor.html#org.apache.calcite.plan">RexExecutor</a></th> |
| <td class="colLast"> |
| <div class="block">Can reduce expressions, writing a literal for each into a list.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexExecutorImpl.html#org.apache.calcite.plan">RexExecutorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Evaluates a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> expression.</div> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldAccess.html#org.apache.calcite.plan">RexFieldAccess</a></th> |
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| <div class="block">Access to a field of a row-expression.</div> |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.plan">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.plan">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.plan">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.plan">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.html#org.apache.calcite.plan">RexSimplify</a></th> |
| <td class="colLast"> |
| <div class="block">Context required to simplify a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSubQuery.html#org.apache.calcite.plan">RexSubQuery</a></th> |
| <td class="colLast"> |
| <div class="block">Scalar expression that represents an IN, EXISTS or scalar sub-query.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.plan">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.plan">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.prepare">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexExecutor.html#org.apache.calcite.prepare">RexExecutor</a></th> |
| <td class="colLast"> |
| <div class="block">Can reduce expressions, writing a literal for each into a list.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.prepare">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.rel">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.rel.core">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.rel.core">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldCollation.html#org.apache.calcite.rel.core">RexFieldCollation</a></th> |
| <td class="colLast"> |
| <div class="block">Expression combined with sort flags (DESCENDING, NULLS LAST).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel.core">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.core">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexPatternFieldRef.html#org.apache.calcite.rel.core">RexPatternFieldRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.core">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.rel.core">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.rel.core">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.rel.core">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindowBound.html#org.apache.calcite.rel.core">RexWindowBound</a></th> |
| <td class="colLast"> |
| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
| aggregates.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldCollation.html#org.apache.calcite.rel.externalize">RexFieldCollation</a></th> |
| <td class="colLast"> |
| <div class="block">Expression combined with sort flags (DESCENDING, NULLS LAST).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.externalize">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindow.html#org.apache.calcite.rel.externalize">RexWindow</a></th> |
| <td class="colLast"> |
| <div class="block">Specification of the window of rows over which a <a href="RexOver.html" title="class in org.apache.calcite.rex"><code>RexOver</code></a> windowed |
| aggregate is evaluated.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindowBound.html#org.apache.calcite.rel.externalize">RexWindowBound</a></th> |
| <td class="colLast"> |
| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
| aggregates.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="../rel/logical/package-summary.html">org.apache.calcite.rel.logical</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel.logical">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.logical">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.html#org.apache.calcite.rel.logical">RexOver</a></th> |
| <td class="colLast"> |
| <div class="block">Call to an aggregate function over a window.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.logical">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindowBound.html#org.apache.calcite.rel.logical">RexWindowBound</a></th> |
| <td class="colLast"> |
| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
| aggregates.</div> |
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| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.rel.metadata"> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.rel.metadata">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.rel.metadata">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.rel.metadata">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel.metadata">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.metadata">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.metadata">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.rel.metadata">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.html#org.apache.calcite.rel.metadata">RexSimplify</a></th> |
| <td class="colLast"> |
| <div class="block">Context required to simplify a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexTableInputRef.RelTableRef.html#org.apache.calcite.rel.metadata">RexTableInputRef.RelTableRef</a></th> |
| <td class="colLast"> |
| <div class="block">Identifies uniquely a table by its qualified name and its entity number (occurrence)</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.rel.metadata">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.rel.metadata">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.rel.mutable"> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel.mutable">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.mutable">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.mutable">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.rel.rel2sql"> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCorrelVariable.html#org.apache.calcite.rel.rel2sql">RexCorrelVariable</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to the current row of a correlating relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldCollation.html#org.apache.calcite.rel.rel2sql">RexFieldCollation</a></th> |
| <td class="colLast"> |
| <div class="block">Expression combined with sort flags (DESCENDING, NULLS LAST).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.rel2sql">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.html#org.apache.calcite.rel.rel2sql">RexOver</a></th> |
| <td class="colLast"> |
| <div class="block">Call to an aggregate function over a window.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.rel2sql">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindowBound.html#org.apache.calcite.rel.rel2sql">RexWindowBound</a></th> |
| <td class="colLast"> |
| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
| aggregates.</div> |
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| </table> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.rel.rules">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.rel.rules">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCorrelVariable.html#org.apache.calcite.rel.rules">RexCorrelVariable</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to the current row of a correlating relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexDynamicParam.html#org.apache.calcite.rel.rules">RexDynamicParam</a></th> |
| <td class="colLast"> |
| <div class="block">Dynamic parameter reference in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldAccess.html#org.apache.calcite.rel.rules">RexFieldAccess</a></th> |
| <td class="colLast"> |
| <div class="block">Access to a field of a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.rel.rules">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rel.rules">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLocalRef.html#org.apache.calcite.rel.rules">RexLocalRef</a></th> |
| <td class="colLast"> |
| <div class="block">Local variable.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rel.rules">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.html#org.apache.calcite.rel.rules">RexOver</a></th> |
| <td class="colLast"> |
| <div class="block">Call to an aggregate function over a window.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rel.rules">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexRangeRef.html#org.apache.calcite.rel.rules">RexRangeRef</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to a range of columns.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.rel.rules">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.html#org.apache.calcite.rel.rules">RexSimplify</a></th> |
| <td class="colLast"> |
| <div class="block">Context required to simplify a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSubQuery.html#org.apache.calcite.rel.rules">RexSubQuery</a></th> |
| <td class="colLast"> |
| <div class="block">Scalar expression that represents an IN, EXISTS or scalar sub-query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexTableInputRef.html#org.apache.calcite.rel.rules">RexTableInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a column of a table occurrence in a relational plan.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexTableInputRef.RelTableRef.html#org.apache.calcite.rel.rules">RexTableInputRef.RelTableRef</a></th> |
| <td class="colLast"> |
| <div class="block">Identifies uniquely a table by its qualified name and its entity number (occurrence)</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexUnknownAs.html#org.apache.calcite.rel.rules">RexUnknownAs</a></th> |
| <td class="colLast"> |
| <div class="block">Policy for whether a simplified expression may instead return another |
| value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.rel.rules">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.rel.rules">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a id="org.apache.calcite.rex"> |
| <!-- --> |
| </a> |
| <table class="useSummary"> |
| <caption><span>Classes in <a href="package-summary.html">org.apache.calcite.rex</a> used by <a href="package-summary.html">org.apache.calcite.rex</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexAction.html#org.apache.calcite.rex">RexAction</a></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBiVisitor.html#org.apache.calcite.rex">RexBiVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects |
| and passing a payload to each.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.rex">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCall.html#org.apache.calcite.rex">RexCall</a></th> |
| <td class="colLast"> |
| <div class="block">An expression formed by a call to an operator with zero or more expressions |
| as operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCallBinding.html#org.apache.calcite.rex">RexCallBinding</a></th> |
| <td class="colLast"> |
| <div class="block"><code>RexCallBinding</code> implements <a href="../sql/SqlOperatorBinding.html" title="class in org.apache.calcite.sql"><code>SqlOperatorBinding</code></a> by |
| referring to an underlying collection of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> operands.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexChecker.html#org.apache.calcite.rex">RexChecker</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor which checks the validity of a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCorrelVariable.html#org.apache.calcite.rex">RexCorrelVariable</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to the current row of a correlating relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexDigestIncludeType.html#org.apache.calcite.rex">RexDigestIncludeType</a></th> |
| <td class="colLast"> |
| <div class="block">Defines if type information should be printed for <a href="RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexDynamicParam.html#org.apache.calcite.rex">RexDynamicParam</a></th> |
| <td class="colLast"> |
| <div class="block">Dynamic parameter reference in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexExecutable.html#org.apache.calcite.rex">RexExecutable</a></th> |
| <td class="colLast"> |
| <div class="block">Result of compiling code generated from a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexExecutor.html#org.apache.calcite.rex">RexExecutor</a></th> |
| <td class="colLast"> |
| <div class="block">Can reduce expressions, writing a literal for each into a list.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldAccess.html#org.apache.calcite.rex">RexFieldAccess</a></th> |
| <td class="colLast"> |
| <div class="block">Access to a field of a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldCollation.html#org.apache.calcite.rex">RexFieldCollation</a></th> |
| <td class="colLast"> |
| <div class="block">Expression combined with sort flags (DESCENDING, NULLS LAST).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexFieldCollation.Initializer.html#org.apache.calcite.rex">RexFieldCollation.Initializer</a></th> |
| <td class="colLast"> |
| <div class="block">Helper, used during initialization, that builds a canonizing map from |
| sets of <code>SqlKind</code> to immutable sets of <code>SqlKind</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.rex">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexInterpreter.Truthy.html#org.apache.calcite.rex">RexInterpreter.Truthy</a></th> |
| <td class="colLast"> |
| <div class="block">An enum that wraps boolean and unknown values and makes them |
| comparable.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.rex">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLocalRef.html#org.apache.calcite.rex">RexLocalRef</a></th> |
| <td class="colLast"> |
| <div class="block">Local variable.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.rex">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.html#org.apache.calcite.rex">RexOver</a></th> |
| <td class="colLast"> |
| <div class="block">Call to an aggregate function over a window.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.Finder.html#org.apache.calcite.rex">RexOver.Finder</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor which detects a <a href="RexOver.html" title="class in org.apache.calcite.rex"><code>RexOver</code></a> inside a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexOver.OverFound.html#org.apache.calcite.rex">RexOver.OverFound</a></th> |
| <td class="colLast"> |
| <div class="block">Exception thrown when an OVER is found.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexPatternFieldRef.html#org.apache.calcite.rex">RexPatternFieldRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexPermuteInputsShuttle.html#org.apache.calcite.rex">RexPermuteInputsShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Shuttle which applies a permutation to its input fields.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgram.html#org.apache.calcite.rex">RexProgram</a></th> |
| <td class="colLast"> |
| <div class="block">A collection of expressions which read inputs, compute output expressions, |
| and optionally use a condition to filter rows.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgramBuilder.html#org.apache.calcite.rex">RexProgramBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Workspace for constructing a <a href="RexProgram.html" title="class in org.apache.calcite.rex"><code>RexProgram</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgramBuilder.RegisterInputShuttle.html#org.apache.calcite.rex">RexProgramBuilder.RegisterInputShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Shuttle which walks over an expression, registering each sub-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexProgramBuilder.RegisterShuttle.html#org.apache.calcite.rex">RexProgramBuilder.RegisterShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Shuttle that visits a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> and registers them |
| in a program.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexRangeRef.html#org.apache.calcite.rex">RexRangeRef</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to a range of columns.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.rex">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.html#org.apache.calcite.rex">RexSimplify</a></th> |
| <td class="colLast"> |
| <div class="block">Context required to simplify a row-expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.CaseBranch.html#org.apache.calcite.rex">RexSimplify.CaseBranch</a></th> |
| <td class="colLast"> |
| <div class="block">Object to describe a Case branch</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.Comparison.html#org.apache.calcite.rex">RexSimplify.Comparison</a></th> |
| <td class="colLast"> |
| <div class="block">Represents a simple Comparison.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.IsPredicate.html#org.apache.calcite.rex">RexSimplify.IsPredicate</a></th> |
| <td class="colLast"> |
| <div class="block">Represents an IS Predicate.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.Predicate.html#org.apache.calcite.rex">RexSimplify.Predicate</a></th> |
| <td class="colLast"> |
| <div class="block">Marker interface for predicates (expressions that evaluate to BOOLEAN).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.SafeRexVisitor.html#org.apache.calcite.rex">RexSimplify.SafeRexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Decides whether it is safe to flatten the given case part into AND/ORs</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSlot.html#org.apache.calcite.rex">RexSlot</a></th> |
| <td class="colLast"> |
| <div class="block">Abstract base class for <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> and <a href="RexLocalRef.html" title="class in org.apache.calcite.rex"><code>RexLocalRef</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSqlConvertlet.html#org.apache.calcite.rex">RexSqlConvertlet</a></th> |
| <td class="colLast"> |
| <div class="block">Converts a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> expression into a <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSqlConvertletTable.html#org.apache.calcite.rex">RexSqlConvertletTable</a></th> |
| <td class="colLast"> |
| <div class="block">Collection of <a href="RexSqlConvertlet.html" title="interface in org.apache.calcite.rex"><code>RexSqlConvertlet</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSqlReflectiveConvertletTable.html#org.apache.calcite.rex">RexSqlReflectiveConvertletTable</a></th> |
| <td class="colLast"> |
| <div class="block">Implementation of <a href="RexSqlConvertletTable.html" title="interface in org.apache.calcite.rex"><code>RexSqlConvertletTable</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSubQuery.html#org.apache.calcite.rex">RexSubQuery</a></th> |
| <td class="colLast"> |
| <div class="block">Scalar expression that represents an IN, EXISTS or scalar sub-query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexTableInputRef.html#org.apache.calcite.rex">RexTableInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a column of a table occurrence in a relational plan.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexTableInputRef.RelTableRef.html#org.apache.calcite.rex">RexTableInputRef.RelTableRef</a></th> |
| <td class="colLast"> |
| <div class="block">Identifies uniquely a table by its qualified name and its entity number (occurrence)</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexToSqlNodeConverter.html#org.apache.calcite.rex">RexToSqlNodeConverter</a></th> |
| <td class="colLast"> |
| <div class="block">Converts expressions from <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> to <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexUnknownAs.html#org.apache.calcite.rex">RexUnknownAs</a></th> |
| <td class="colLast"> |
| <div class="block">Policy for whether a simplified expression may instead return another |
| value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexUtil.CnfHelper.OverflowError.html#org.apache.calcite.rex">RexUtil.CnfHelper.OverflowError</a></th> |
| <td class="colLast"> |
| <div class="block">Exception to catch when we pass the limit.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexUtil.ConstantFinder.html#org.apache.calcite.rex">RexUtil.ConstantFinder</a></th> |
| <td class="colLast"> |
| <div class="block">Walks over an expression and determines whether it is constant.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexUtil.CorrelationFinder.html#org.apache.calcite.rex">RexUtil.CorrelationFinder</a></th> |
| <td class="colLast"> |
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| <div class="block">Visitor that throws <a href="../util/Util.FoundOne.html" title="class in org.apache.calcite.util"><code>Util.FoundOne</code></a> if |
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| <th class="colFirst" scope="row"><a href="class-use/RexVariable.html#org.apache.calcite.rex">RexVariable</a></th> |
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| <div class="block">A row-expression which references a field.</div> |
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| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
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| <div class="block">Specification of the window of rows over which a <a href="RexOver.html" title="class in org.apache.calcite.rex"><code>RexOver</code></a> windowed |
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| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
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| <div class="block">Reference to the current row of a correlating relational expression.</div> |
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| <td class="colLast"> |
| <div class="block">Expression combined with sort flags (DESCENDING, NULLS LAST).</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.sql2rel">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
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| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.sql2rel">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
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| <th class="colFirst" scope="row"><a href="class-use/RexRangeRef.html#org.apache.calcite.sql2rel">RexRangeRef</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to a range of columns.</div> |
| </td> |
| </tr> |
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| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.sql2rel">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexSubQuery.html#org.apache.calcite.sql2rel">RexSubQuery</a></th> |
| <td class="colLast"> |
| <div class="block">Scalar expression that represents an IN, EXISTS or scalar sub-query.</div> |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.sql2rel">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexVisitorImpl.html#org.apache.calcite.sql2rel">RexVisitorImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RexVisitor.html" title="interface in org.apache.calcite.rex"><code>RexVisitor</code></a>, which visits each node but does |
| nothing while it's there.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexWindowBound.html#org.apache.calcite.sql2rel">RexWindowBound</a></th> |
| <td class="colLast"> |
| <div class="block">Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed |
| aggregates.</div> |
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| <tbody> |
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| <th class="colFirst" scope="row"><a href="class-use/RexBuilder.html#org.apache.calcite.tools">RexBuilder</a></th> |
| <td class="colLast"> |
| <div class="block">Factory for row expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexCorrelVariable.html#org.apache.calcite.tools">RexCorrelVariable</a></th> |
| <td class="colLast"> |
| <div class="block">Reference to the current row of a correlating relational expression.</div> |
| </td> |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexExecutor.html#org.apache.calcite.tools">RexExecutor</a></th> |
| <td class="colLast"> |
| <div class="block">Can reduce expressions, writing a literal for each into a list.</div> |
| </td> |
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| <th class="colFirst" scope="row"><a href="class-use/RexInputRef.html#org.apache.calcite.tools">RexInputRef</a></th> |
| <td class="colLast"> |
| <div class="block">Variable which references a field of an input relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexLiteral.html#org.apache.calcite.tools">RexLiteral</a></th> |
| <td class="colLast"> |
| <div class="block">Constant value in a row-expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexNode.html#org.apache.calcite.tools">RexNode</a></th> |
| <td class="colLast"> |
| <div class="block">Row expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RexShuttle.html#org.apache.calcite.tools">RexShuttle</a></th> |
| <td class="colLast"> |
| <div class="block">Passes over a row-expression, calling a handler method for each node, |
| appropriate to the type of the node.</div> |
| </td> |
| </tr> |
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| <th class="colFirst" scope="row"><a href="class-use/RexSimplify.html#org.apache.calcite.tools">RexSimplify</a></th> |
| <td class="colLast"> |
| <div class="block">Context required to simplify a row-expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RexVisitor.html#org.apache.calcite.tools">RexVisitor</a></th> |
| <td class="colLast"> |
| <div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div> |
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