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<div class="subTitle">org.apache.drill.exec.planner.sql.parser</div>
<h2 title="Class DrillCalciteWrapperUtility" class="title">Class DrillCalciteWrapperUtility</h2>
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<pre>public class <span class="typeNameLabel">DrillCalciteWrapperUtility</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">This utility contains the static functions to manipulate <a href="../../../../../../../org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.html" title="interface in org.apache.drill.exec.planner.sql"><code>DrillCalciteSqlWrapper</code></a>, <code>DrillCalciteSqlOperatorWrapper</code>
<code>DrillCalciteSqlFunctionWrapper</code> and <code>DrillCalciteSqlAggFunctionWrapper</code>.</div>
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<td class="colFirst"><code>static org.apache.calcite.sql.SqlAggFunction</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/parser/DrillCalciteWrapperUtility.html#extractSqlOperatorFromWrapper-org.apache.calcite.sql.SqlAggFunction-">extractSqlOperatorFromWrapper</a></span>(org.apache.calcite.sql.SqlAggFunction&nbsp;sqlAggFunction)</code>
<div class="block">This static method will extract the SqlAggFunction inside the given SqlAggFunction if the given SqlFunction is wrapped
in DrillCalciteSqlAggFunctionWrapper and will just return the given SqlAggFunction if it is not wrapped.</div>
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<td class="colFirst"><code>static org.apache.calcite.sql.SqlFunction</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/parser/DrillCalciteWrapperUtility.html#extractSqlOperatorFromWrapper-org.apache.calcite.sql.SqlFunction-">extractSqlOperatorFromWrapper</a></span>(org.apache.calcite.sql.SqlFunction&nbsp;sqlFunction)</code>
<div class="block">This static method will extract the SqlFunction inside the given SqlFunction if the given SqlFunction is wrapped
in DrillCalciteSqlFunctionWrapper and will just return the given SqlFunction if it is not wrapped.</div>
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<td class="colFirst"><code>static org.apache.calcite.sql.SqlOperator</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/parser/DrillCalciteWrapperUtility.html#extractSqlOperatorFromWrapper-org.apache.calcite.sql.SqlOperator-">extractSqlOperatorFromWrapper</a></span>(org.apache.calcite.sql.SqlOperator&nbsp;sqlOperator)</code>
<div class="block">This static method will extract the SqlOperator inside the given SqlOperator if the given SqlOperator is wrapped
in DrillCalciteSqlWrapper and will just return the given SqlOperator if it is not wrapped.</div>
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<h4>extractSqlOperatorFromWrapper</h4>
<pre>public static&nbsp;org.apache.calcite.sql.SqlOperator&nbsp;extractSqlOperatorFromWrapper(org.apache.calcite.sql.SqlOperator&nbsp;sqlOperator)</pre>
<div class="block">This static method will extract the SqlOperator inside the given SqlOperator if the given SqlOperator is wrapped
in DrillCalciteSqlWrapper and will just return the given SqlOperator if it is not wrapped.</div>
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<pre>public static&nbsp;org.apache.calcite.sql.SqlFunction&nbsp;extractSqlOperatorFromWrapper(org.apache.calcite.sql.SqlFunction&nbsp;sqlFunction)</pre>
<div class="block">This static method will extract the SqlFunction inside the given SqlFunction if the given SqlFunction is wrapped
in DrillCalciteSqlFunctionWrapper and will just return the given SqlFunction if it is not wrapped.</div>
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<h4>extractSqlOperatorFromWrapper</h4>
<pre>public static&nbsp;org.apache.calcite.sql.SqlAggFunction&nbsp;extractSqlOperatorFromWrapper(org.apache.calcite.sql.SqlAggFunction&nbsp;sqlAggFunction)</pre>
<div class="block">This static method will extract the SqlAggFunction inside the given SqlAggFunction if the given SqlFunction is wrapped
in DrillCalciteSqlAggFunctionWrapper and will just return the given SqlAggFunction if it is not wrapped.</div>
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