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| <h1 title="Uses of Package org.apache.drill.exec.expr" class="title">Uses of Package<br>org.apache.drill.exec.expr</h1> |
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| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation"> |
| <caption><span>Packages that use <a href="../../../../../org/apache/drill/exec/expr/package-summary.html">org.apache.drill.exec.expr</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"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.compile">org.apache.drill.exec.compile</a></td> |
| <td class="colLast"> |
| <div class="block">Runtime code-generation, compilation and bytecode-manipulation utilities.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.compile.sig">org.apache.drill.exec.compile.sig</a></td> |
| <td class="colLast"> |
| <div class="block">TODO - write docs for this package</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr">org.apache.drill.exec.expr</a></td> |
| <td class="colLast"> |
| <div class="block">Drill expression materialization and evaluation facilities.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn">org.apache.drill.exec.expr.fn</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.impl">org.apache.drill.exec.expr.fn.impl</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.impl.conv">org.apache.drill.exec.expr.fn.impl.conv</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.impl.gaggr">org.apache.drill.exec.expr.fn.impl.gaggr</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.impl.gcast">org.apache.drill.exec.expr.fn.impl.gcast</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.impl.hive">org.apache.drill.exec.expr.fn.impl.hive</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.expr.fn.interpreter">org.apache.drill.exec.expr.fn.interpreter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.ops">org.apache.drill.exec.ops</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.physical.impl.aggregate">org.apache.drill.exec.physical.impl.aggregate</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.physical.impl.common">org.apache.drill.exec.physical.impl.common</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.physical.impl.partitionsender">org.apache.drill.exec.physical.impl.partitionsender</a></td> |
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| <td class="colFirst"><a href="#org.apache.drill.exec.physical.impl.project">org.apache.drill.exec.physical.impl.project</a></td> |
| <td class="colLast"> </td> |
| </tr> |
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| <td class="colFirst"><a href="#org.apache.drill.exec.physical.impl.xsort">org.apache.drill.exec.physical.impl.xsort</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.store.parquet">org.apache.drill.exec.store.parquet</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.udf.mapr.db">org.apache.drill.exec.udf.mapr.db</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.udfs">org.apache.drill.exec.udfs</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.udfs.gis">org.apache.drill.exec.udfs.gis</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.drill.exec.vector">org.apache.drill.exec.vector</a></td> |
| <td class="colLast"> </td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/CodeGenerator.html#org.apache.drill.exec.compile">CodeGenerator</a> |
| <div class="block">A code generator is responsible for generating the Java source code required |
| to complete the implementation of an abstract template.</div> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.BlockType.html#org.apache.drill.exec.compile.sig">ClassGenerator.BlockType</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DirectExpression.html#org.apache.drill.exec.compile.sig">DirectExpression</a> |
| <div class="block">Encapsulates a Java expression, defined as anything that is |
| valid in the following code:<br> |
| <code>(<i>expr</i>)</code></div> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/BasicTypeHelper.html#org.apache.drill.exec.expr">BasicTypeHelper</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/BatchReference.html#org.apache.drill.exec.expr">BatchReference</a> |
| <div class="block">Holder class that contains batch naming, batch and record index.</div> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.html#org.apache.drill.exec.expr">ClassGenerator</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.BlkCreateMode.html#org.apache.drill.exec.expr">ClassGenerator.BlkCreateMode</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.BlockType.html#org.apache.drill.exec.expr">ClassGenerator.BlockType</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.HoldingContainer.html#org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a> |
| <div class="block">Represents a (Nullable)?(Type)Holder instance.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/CodeGenerator.html#org.apache.drill.exec.expr">CodeGenerator</a> |
| <div class="block">A code generator is responsible for generating the Java source code required |
| to complete the implementation of an abstract template.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DebugStringBuilder.html#org.apache.drill.exec.expr">DebugStringBuilder</a> |
| <div class="block">Utility class to build a debug string for an object |
| in a standard format.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DirectExpression.html#org.apache.drill.exec.expr">DirectExpression</a> |
| <div class="block">Encapsulates a Java expression, defined as anything that is |
| valid in the following code:<br> |
| <code>(<i>expr</i>)</code></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillFunc.html#org.apache.drill.exec.expr">DrillFunc</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillFuncHolderExpr.html#org.apache.drill.exec.expr">DrillFuncHolderExpr</a> |
| <div class="block">Represents the call of a function within a query and includes |
| the actual arguments and a reference to the function declaration (as a |
| "function holder.")</div> |
| </td> |
| </tr> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillSimpleFunc.html#org.apache.drill.exec.expr">DrillSimpleFunc</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/HiveFuncHolderExpr.html#org.apache.drill.exec.expr">HiveFuncHolderExpr</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/StatisticsProvider.html#org.apache.drill.exec.expr">StatisticsProvider</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ValueVectorReadExpression.html#org.apache.drill.exec.expr">ValueVectorReadExpression</a> |
| <div class="block">Wraps a value vector field to be read, providing metadata about the field.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ValueVectorWriteExpression.html#org.apache.drill.exec.expr">ValueVectorWriteExpression</a> </td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.html#org.apache.drill.exec.expr.fn">ClassGenerator</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/ClassGenerator.HoldingContainer.html#org.apache.drill.exec.expr.fn">ClassGenerator.HoldingContainer</a> |
| <div class="block">Represents a (Nullable)?(Type)Holder instance.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillFunc.html#org.apache.drill.exec.expr.fn">DrillFunc</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillAggFunc.html#org.apache.drill.exec.expr.fn.impl">DrillAggFunc</a> |
| <div class="block">Aggregate function interface.</div> |
| </td> |
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| <td class="colOne"><a href="../../../../../org/apache/drill/exec/expr/class-use/DrillAggFunc.html#org.apache.drill.exec.expr.fn.impl.gaggr">DrillAggFunc</a> |
| <div class="block">Aggregate function interface.</div> |
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