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| <h1 title="程序包" class="title">程序包 org.apache.calcite.linq4j.function</h1> |
| <div class="docSummary"> |
| <div class="block">Contains definitions of functions and predicates.</div> |
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| <p>请参阅: <a href="#package.description">说明</a></p> |
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| <tr> |
| <th class="colFirst" scope="col">接口</th> |
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| <tbody> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/BigDecimalFunction1.html" title="org.apache.calcite.linq4j.function中的接口">BigDecimalFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口"><code>BigDecimal</code></a> value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/DoubleFunction1.html" title="org.apache.calcite.linq4j.function中的接口">DoubleFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a native <code>double</code> value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/EqualityComparer.html" title="org.apache.calcite.linq4j.function中的接口">EqualityComparer</a><T></td> |
| <td class="colLast"> |
| <div class="block">Compares values for equality.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/FloatFunction1.html" title="org.apache.calcite.linq4j.function中的接口">FloatFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a native <code>float</code> value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Function.html" title="org.apache.calcite.linq4j.function中的接口">Function</a><R></td> |
| <td class="colLast"> |
| <div class="block">Base interface for all functions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Function0.html" title="org.apache.calcite.linq4j.function中的接口">Function0</a><R></td> |
| <td class="colLast"> |
| <div class="block">Function with no parameters.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Function1.html" title="org.apache.calcite.linq4j.function中的接口">Function1</a><T0,R></td> |
| <td class="colLast"> |
| <div class="block">Function with one parameter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Function2.html" title="org.apache.calcite.linq4j.function中的接口">Function2</a><T0,T1,R></td> |
| <td class="colLast"> |
| <div class="block">Function with two parameters.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/IntegerFunction1.html" title="org.apache.calcite.linq4j.function中的接口">IntegerFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a native <code>int</code> value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/LongFunction1.html" title="org.apache.calcite.linq4j.function中的接口">LongFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a native <code>long</code> value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/NullableBigDecimalFunction1.html" title="org.apache.calcite.linq4j.function中的接口">NullableBigDecimalFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口"><code>BigDecimal</code></a> value that |
| may be null.</div> |
| </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/NullableDoubleFunction1.html" title="org.apache.calcite.linq4j.function中的接口">NullableDoubleFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="java.lang中的类或接口"><code>Double</code></a> value that |
| may be null.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/NullableFloatFunction1.html" title="org.apache.calcite.linq4j.function中的接口">NullableFloatFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="java.lang中的类或接口"><code>Float</code></a> value that |
| may be null.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/NullableIntegerFunction1.html" title="org.apache.calcite.linq4j.function中的接口">NullableIntegerFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns an <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口"><code>Integer</code></a> value that |
| may be null.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/NullableLongFunction1.html" title="org.apache.calcite.linq4j.function中的接口">NullableLongFunction1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="java.lang中的类或接口"><code>Long</code></a> value that |
| may be null.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Predicate1.html" title="org.apache.calcite.linq4j.function中的接口">Predicate1</a><T0></td> |
| <td class="colLast"> |
| <div class="block">Function with one parameter returning a native <code>boolean</code> value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Predicate2.html" title="org.apache.calcite.linq4j.function中的接口">Predicate2</a><T0,T1></td> |
| <td class="colLast"> |
| <div class="block">Function with two parameters returning a native <code>boolean</code> value.</div> |
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| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
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| <th class="colFirst" scope="col">类</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Functions.html" title="org.apache.calcite.linq4j.function中的类">Functions</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities relating to functions.</div> |
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| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Deterministic.html" title="org.apache.calcite.linq4j.function中的注释">Deterministic</a></td> |
| <td class="colLast"> |
| <div class="block">Specifies that function is deterministic (i.e. returns the same output |
| given the same inputs).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Experimental.html" title="org.apache.calcite.linq4j.function中的注释">Experimental</a></td> |
| <td class="colLast"> |
| <div class="block">Annotation that indicates that a class, interface, field or method |
| is experimental, not part of the public API, and subject to change |
| or removal.</div> |
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| <td class="colLast"> |
| <div class="block">Specifies that function is NOT deterministic (i.e. it can return |
| different output given the same inputs).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Parameter.html" title="org.apache.calcite.linq4j.function中的注释">Parameter</a></td> |
| <td class="colLast"> |
| <div class="block">Annotation that supplies metadata about a function parameter.</div> |
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| <td class="colLast"> |
| <div class="block">Annotation applied to a user-defined function that indicates that |
| the function always returns null if one or more of its arguments |
| are null but also may return null at other times.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/function/Strict.html" title="org.apache.calcite.linq4j.function中的注释">Strict</a></td> |
| <td class="colLast"> |
| <div class="block">Annotation applied to a user-defined function that indicates that |
| the function returns null if and only if one or more of its arguments |
| are null.</div> |
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