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| <pre>public class <span class="typeNameLabel">FunctionUtils</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> |
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| <td class="colFirst"><code>static <a href="../../../../../../org/apache/drill/common/types/TypeProtos.DataMode.html" title="enum in org.apache.drill.common.types">TypeProtos.DataMode</a></code></td> |
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| <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionAttributes.html" title="class in org.apache.drill.exec.expr.fn">FunctionAttributes</a> attributes)</code> |
| <div class="block">Calculates return type data mode based on give logical expressions.</div> |
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| <pre>public FunctionUtils()</pre> |
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| <h4>getReturnTypeDataMode</h4> |
| <pre>public static <a href="../../../../../../org/apache/drill/common/types/TypeProtos.DataMode.html" title="enum in org.apache.drill.common.types">TypeProtos.DataMode</a> getReturnTypeDataMode(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>> logicalExpressions, |
| <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionAttributes.html" title="class in org.apache.drill.exec.expr.fn">FunctionAttributes</a> attributes)</pre> |
| <div class="block">Calculates return type data mode based on give logical expressions. |
| If null handling strategy is internal, returns return value data mode. |
| If null handling strategy is null if null and at least one of the input types are nullable, |
| return nullable data mode.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>logicalExpressions</code> - logical expressions</dd> |
| <dd><code>attributes</code> - function attributes</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data mode</dd> |
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