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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.drill.exec.expr.fn</div> |
| <h2 title="Class DrillSimpleFuncHolder" class="title">Class DrillSimpleFuncHolder</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">org.apache.drill.exec.expr.fn.AbstractFuncHolder</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">org.apache.drill.exec.expr.fn.DrillFuncHolder</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.expr.fn.DrillSimpleFuncHolder</li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/drill/common/expression/fn/FuncHolder.html" title="interface in org.apache.drill.common.expression.fn">FuncHolder</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillComplexWriterFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">DrillComplexWriterFuncHolder</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">DrillSimpleFuncHolder</span> |
| extends <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">DrillFuncHolder</a></pre> |
| <div class="block">Definition of a Drill function defined using the |
| <code>@FunctionTemplate</code> annotation of the class which |
| implements the function. Simple functions have |
| input parameters as defined by member variables annotated |
| with the <code>@Param</code> annotation.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillSimpleFuncHolder.html#DrillSimpleFuncHolder-org.apache.drill.exec.expr.fn.FunctionAttributes-org.apache.drill.exec.expr.fn.FunctionInitializer-">DrillSimpleFuncHolder</a></span>(<a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionAttributes.html" title="class in org.apache.drill.exec.expr.fn">FunctionAttributes</a> functionAttributes, |
| <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionInitializer.html" title="class in org.apache.drill.exec.expr.fn">FunctionInitializer</a> initializer)</code> </td> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/expr/DrillSimpleFunc.html" title="interface in org.apache.drill.exec.expr">DrillSimpleFunc</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillSimpleFuncHolder.html#createInterpreter--">createInterpreter</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillSimpleFuncHolder.html#generateEvalBody-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-java.lang.String-com.sun.codemodel.JVar:A-org.apache.drill.common.expression.FunctionHolderExpression-">generateEvalBody</a></span>(<a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.html" title="class in org.apache.drill.exec.expr">ClassGenerator</a><?> g, |
| <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a>[] inputVariables, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> body, |
| com.sun.codemodel.JVar[] workspaceJVars, |
| <a href="../../../../../../org/apache/drill/common/expression/FunctionHolderExpression.html" title="class in org.apache.drill.common.expression">FunctionHolderExpression</a> holderExpr)</code> |
| <div class="block">Generate the eval block for a simple function, including the null-handling wrapper, |
| if requested.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillSimpleFuncHolder.html#isNested--">isNested</a></span>()</code> </td> |
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| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillSimpleFuncHolder.html#renderEnd-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-com.sun.codemodel.JVar:A-org.apache.drill.common.expression.FunctionHolderExpression-">renderEnd</a></span>(<a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.html" title="class in org.apache.drill.exec.expr">ClassGenerator</a><?> classGenerator, |
| <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a>[] inputVariables, |
| com.sun.codemodel.JVar[] workspaceJVars, |
| <a href="../../../../../../org/apache/drill/common/expression/FunctionHolderExpression.html" title="class in org.apache.drill.common.expression">FunctionHolderExpression</a> holderExpr)</code> |
| <div class="block">Render the various code blocks for a simple function.</div> |
| </td> |
| </tr> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.drill.exec.expr.fn.DrillFuncHolder"> |
| <!-- --> |
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| <h3>Methods inherited from class org.apache.drill.exec.expr.fn.<a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">DrillFuncHolder</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#addProtectedBlock-org.apache.drill.exec.expr.ClassGenerator-com.sun.codemodel.JBlock-java.lang.String-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-com.sun.codemodel.JVar:A-boolean-">addProtectedBlock</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#assignInjectableValue-org.apache.drill.exec.expr.ClassGenerator-com.sun.codemodel.JVar-org.apache.drill.exec.expr.fn.WorkspaceReference-">assignInjectableValue</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#checkNullHandling-org.apache.drill.exec.expr.annotations.FunctionTemplate.NullHandling-">checkNullHandling</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#checkPrecisionRange--">checkPrecisionRange</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#declare-com.sun.codemodel.JBlock-org.apache.drill.exec.expr.fn.ValueReference-com.sun.codemodel.JType-com.sun.codemodel.JExpression-int-">declare</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#declareInputVariable-com.sun.codemodel.JCodeModel-com.sun.codemodel.JBlock-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer-int-">declareInputVariable</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#declareVarArgArray-com.sun.codemodel.JCodeModel-com.sun.codemodel.JBlock-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-">declareVarArgArray</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#declareWorkspaceVariables-org.apache.drill.exec.expr.ClassGenerator-">declareWorkspaceVariables</a>, <a 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href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#getReturnValue--">getReturnValue</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#getWorkspaceVars--">getWorkspaceVars</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isAggregating--">isAggregating</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isConstant-int-">isConstant</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isDeterministic--">isDeterministic</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isFieldReader-int-">isFieldReader</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isInternal--">isInternal</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isNiladic--">isNiladic</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#isVarArg--">isVarArg</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#matches-org.apache.drill.common.types.TypeProtos.MajorType-java.util.List-">matches</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#meth-java.lang.String-">meth</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#meth-java.lang.String-boolean-">meth</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#renderStart-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-org.apache.drill.common.expression.FieldReference-">renderStart</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#toString--">toString</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/DrillFuncHolder.html#variableOutputSizeEstimate--">variableOutputSizeEstimate</a></code></li> |
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| <h3>Methods inherited from class org.apache.drill.exec.expr.fn.<a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">AbstractFuncHolder</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html#isComplexWriterFuncHolder--">isComplexWriterFuncHolder</a>, <a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html#renderMiddle-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-com.sun.codemodel.JVar:A-">renderMiddle</a></code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
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| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="DrillSimpleFuncHolder-org.apache.drill.exec.expr.fn.FunctionAttributes-org.apache.drill.exec.expr.fn.FunctionInitializer-"> |
| <!-- --> |
| </a> |
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| <h4>DrillSimpleFuncHolder</h4> |
| <pre>public DrillSimpleFuncHolder(<a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionAttributes.html" title="class in org.apache.drill.exec.expr.fn">FunctionAttributes</a> functionAttributes, |
| <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionInitializer.html" title="class in org.apache.drill.exec.expr.fn">FunctionInitializer</a> initializer)</pre> |
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| <h3>Method Detail</h3> |
| <a name="isNested--"> |
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| <h4>isNested</h4> |
| <pre>public boolean isNested()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/common/expression/fn/FuncHolder.html#isNested--">isNested</a></code> in interface <code><a href="../../../../../../org/apache/drill/common/expression/fn/FuncHolder.html" title="interface in org.apache.drill.common.expression.fn">FuncHolder</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html#isNested--">isNested</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">AbstractFuncHolder</a></code></dd> |
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| <a name="createInterpreter--"> |
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| </a> |
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| <h4>createInterpreter</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/expr/DrillSimpleFunc.html" title="interface in org.apache.drill.exec.expr">DrillSimpleFunc</a> createInterpreter() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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| <li class="blockList"> |
| <h4>renderEnd</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a> renderEnd(<a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.html" title="class in org.apache.drill.exec.expr">ClassGenerator</a><?> classGenerator, |
| <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a>[] inputVariables, |
| com.sun.codemodel.JVar[] workspaceJVars, |
| <a href="../../../../../../org/apache/drill/common/expression/FunctionHolderExpression.html" title="class in org.apache.drill.common.expression">FunctionHolderExpression</a> holderExpr)</pre> |
| <div class="block">Render the various code blocks for a simple function.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html#renderEnd-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-com.sun.codemodel.JVar:A-org.apache.drill.common.expression.FunctionHolderExpression-">renderEnd</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/expr/fn/AbstractFuncHolder.html" title="class in org.apache.drill.exec.expr.fn">AbstractFuncHolder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>classGenerator</code> - code generator</dd> |
| <dd><code>inputVariables</code> - value holder references for each input value. Variables |
| are in the same order as the declared function parameters</dd> |
| <dd><code>workspaceJVars</code> - internal working variables as declared with the |
| <code>@Workspece</code> annotations. These are simple variables, not |
| Drill value holders</dd> |
| <dd><code>holderExpr</code> - the function call expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>HoldingContainer for return value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateEvalBody-org.apache.drill.exec.expr.ClassGenerator-org.apache.drill.exec.expr.ClassGenerator.HoldingContainer:A-java.lang.String-com.sun.codemodel.JVar:A-org.apache.drill.common.expression.FunctionHolderExpression-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>generateEvalBody</h4> |
| <pre>protected <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a> generateEvalBody(<a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.html" title="class in org.apache.drill.exec.expr">ClassGenerator</a><?> g, |
| <a href="../../../../../../org/apache/drill/exec/expr/ClassGenerator.HoldingContainer.html" title="class in org.apache.drill.exec.expr">ClassGenerator.HoldingContainer</a>[] inputVariables, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> body, |
| com.sun.codemodel.JVar[] workspaceJVars, |
| <a href="../../../../../../org/apache/drill/common/expression/FunctionHolderExpression.html" title="class in org.apache.drill.common.expression">FunctionHolderExpression</a> holderExpr)</pre> |
| <div class="block">Generate the eval block for a simple function, including the null-handling wrapper, |
| if requested.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>#generateBody()}</code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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