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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">impala::ConditionalFunctions Class Reference</div> </div>
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<p>Conditional functions that can be expressed as UDFs.
<a href="classimpala_1_1ConditionalFunctions.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="conditional-functions_8h_source.html">conditional-functions.h</a>&gt;</code></p>
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Collaboration diagram for impala::ConditionalFunctions:</div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Conditional functions that can be expressed as UDFs. </p>
<p>Definition at line <a class="el" href="conditional-functions_8h_source.html#l00031">31</a> of file <a class="el" href="conditional-functions_8h_source.html">conditional-functions.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname"><a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> ConditionalFunctions::IsFalse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *&#160;</td>
<td class="paramname"><em>ctx</em>, </td>
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<td class="paramtype">const <a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> &amp;&#160;</td>
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<p>Functions IsFalse and IsTrue return false when the input is NULL. Functions IsNotFalse and IsNotTrue return true when the input is NULL. </p>
<p>Definition at line <a class="el" href="conditional-functions_8cc_source.html#l00034">34</a> of file <a class="el" href="conditional-functions_8cc_source.html">conditional-functions.cc</a>.</p>
<p>References <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, and <a class="el" href="udf_8h_source.html#l00364">impala_udf::BooleanVal::val</a>.</p>
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<td class="memname"><a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> ConditionalFunctions::IsNotFalse </td>
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<td class="paramtype">const <a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> &amp;&#160;</td>
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<p>Definition at line <a class="el" href="conditional-functions_8cc_source.html#l00039">39</a> of file <a class="el" href="conditional-functions_8cc_source.html">conditional-functions.cc</a>.</p>
<p>References <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, and <a class="el" href="udf_8h_source.html#l00364">impala_udf::BooleanVal::val</a>.</p>
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<td class="memname"><a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> ConditionalFunctions::IsNotTrue </td>
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<p>Definition at line <a class="el" href="conditional-functions_8cc_source.html#l00049">49</a> of file <a class="el" href="conditional-functions_8cc_source.html">conditional-functions.cc</a>.</p>
<p>References <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, and <a class="el" href="udf_8h_source.html#l00364">impala_udf::BooleanVal::val</a>.</p>
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<p>Definition at line <a class="el" href="conditional-functions_8cc_source.html#l00044">44</a> of file <a class="el" href="conditional-functions_8cc_source.html">conditional-functions.cc</a>.</p>
<p>References <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, and <a class="el" href="udf_8h_source.html#l00364">impala_udf::BooleanVal::val</a>.</p>
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<td class="memname">static <a class="el" href="structimpala__udf_1_1TinyIntVal.html">TinyIntVal</a> impala::ConditionalFunctions::NullIfZero </td>
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<p>Referenced by <a class="el" href="expr_8cc_source.html#l00470">impala::Expr::InitBuiltinsDummy()</a>.</p>
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<td class="memname">static <a class="el" href="structimpala__udf_1_1BigIntVal.html">BigIntVal</a> impala::ConditionalFunctions::NullIfZero </td>
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<td class="memname">static <a class="el" href="structimpala__udf_1_1FloatVal.html">FloatVal</a> impala::ConditionalFunctions::NullIfZero </td>
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<td class="memname"><a class="el" href="structimpala__udf_1_1DecimalVal.html">DecimalVal</a> ConditionalFunctions::NullIfZero </td>
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<p>Definition at line <a class="el" href="conditional-functions-ir_8cc_source.html#l00072">72</a> of file <a class="el" href="conditional-functions-ir_8cc_source.html">conditional-functions-ir.cc</a>.</p>
<p>References <a class="el" href="types_8h_source.html#l00178">impala::ColumnType::GetByteSize()</a>, <a class="el" href="udf-ir_8cc_source.html#l00034">impala_udf::FunctionContext::GetReturnType()</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="anyval-util_8cc_source.html#l00101">impala::AnyValUtil::TypeDescToColumnType()</a>, <a class="el" href="udf_8h_source.html#l00572">impala_udf::DecimalVal::val16</a>, <a class="el" href="udf_8h_source.html#l00570">impala_udf::DecimalVal::val4</a>, and <a class="el" href="udf_8h_source.html#l00571">impala_udf::DecimalVal::val8</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>be/src/exprs/<a class="el" href="conditional-functions_8h_source.html">conditional-functions.h</a></li>
<li>be/src/exprs/<a class="el" href="conditional-functions-ir_8cc_source.html">conditional-functions-ir.cc</a></li>
<li>be/src/exprs/<a class="el" href="conditional-functions_8cc_source.html">conditional-functions.cc</a></li>
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