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| <h1 title="Package" class="title">Package org.apache.calcite.linq4j.function</h1> |
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| <section role="region"><a id="package.description"> |
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| <div class="block">Contains definitions of functions and predicates.</div> |
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| <table class="typeSummary"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="BigDecimalFunction1.html" title="interface in org.apache.calcite.linq4j.function">BigDecimalFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <code>BigDecimal</code> value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="DoubleFunction1.html" title="interface in org.apache.calcite.linq4j.function">DoubleFunction1</a><T0></th> |
| <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"> |
| <th class="colFirst" scope="row"><a href="EqualityComparer.html" title="interface in org.apache.calcite.linq4j.function">EqualityComparer</a><T></th> |
| <td class="colLast"> |
| <div class="block">Compares values for equality.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="FloatFunction1.html" title="interface in org.apache.calcite.linq4j.function">FloatFunction1</a><T0></th> |
| <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"> |
| <th class="colFirst" scope="row"><a href="Function.html" title="interface in org.apache.calcite.linq4j.function">Function</a><R></th> |
| <td class="colLast"> |
| <div class="block">Base interface for all functions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Function0.html" title="interface in org.apache.calcite.linq4j.function">Function0</a><R></th> |
| <td class="colLast"> |
| <div class="block">Function with no parameters.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><T0,​R></th> |
| <td class="colLast"> |
| <div class="block">Function with one parameter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><T0,​T1,​R></th> |
| <td class="colLast"> |
| <div class="block">Function with two parameters.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="IntegerFunction1.html" title="interface in org.apache.calcite.linq4j.function">IntegerFunction1</a><T0></th> |
| <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"> |
| <th class="colFirst" scope="row"><a href="LongFunction1.html" title="interface in org.apache.calcite.linq4j.function">LongFunction1</a><T0></th> |
| <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"> |
| <th class="colFirst" scope="row"><a href="NullableBigDecimalFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableBigDecimalFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <code>BigDecimal</code> value that |
| may be null.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="NullableDoubleFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableDoubleFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <code>Double</code> value that |
| may be null.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="NullableFloatFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableFloatFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <code>Float</code> value that |
| may be null.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="NullableIntegerFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableIntegerFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns an <code>Integer</code> value that |
| may be null.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="NullableLongFunction1.html" title="interface in org.apache.calcite.linq4j.function">NullableLongFunction1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function that takes one parameter and returns a <code>Long</code> value that |
| may be null.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Predicate1.html" title="interface in org.apache.calcite.linq4j.function">Predicate1</a><T0></th> |
| <td class="colLast"> |
| <div class="block">Function with one parameter returning a native <code>boolean</code> value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Predicate2.html" title="interface in org.apache.calcite.linq4j.function">Predicate2</a><T0,​T1></th> |
| <td class="colLast"> |
| <div class="block">Function with two parameters returning a native <code>boolean</code> value.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Functions.html" title="class in org.apache.calcite.linq4j.function">Functions</a></th> |
| <td class="colLast"> |
| <div class="block">Utilities relating to functions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Functions.ArrayEqualityComparer.html" title="class in org.apache.calcite.linq4j.function">Functions.ArrayEqualityComparer</a></th> |
| <td class="colLast"> |
| <div class="block">Array equality comparer.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Functions.GeneratingList.html" title="class in org.apache.calcite.linq4j.function">Functions.GeneratingList</a><E></th> |
| <td class="colLast"> |
| <div class="block">List that generates each element using a function.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Functions.IdentityEqualityComparer.html" title="class in org.apache.calcite.linq4j.function">Functions.IdentityEqualityComparer</a></th> |
| <td class="colLast"> |
| <div class="block">Identity equality comparer.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Functions.Ignore.html" title="class in org.apache.calcite.linq4j.function">Functions.Ignore</a><R,​T0,​T1></th> |
| <td class="colLast"> |
| <div class="block">Ignore.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Functions.NullsFirstComparator.html" title="class in org.apache.calcite.linq4j.function">Functions.NullsFirstComparator</a></th> |
| <td class="colLast"> |
| <div class="block">Nulls first comparator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Functions.NullsFirstReverseComparator.html" title="class in org.apache.calcite.linq4j.function">Functions.NullsFirstReverseComparator</a></th> |
| <td class="colLast"> |
| <div class="block">Nulls first reverse comparator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Functions.NullsLastComparator.html" title="class in org.apache.calcite.linq4j.function">Functions.NullsLastComparator</a></th> |
| <td class="colLast"> |
| <div class="block">Nulls last comparator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Functions.NullsLastReverseComparator.html" title="class in org.apache.calcite.linq4j.function">Functions.NullsLastReverseComparator</a></th> |
| <td class="colLast"> |
| <div class="block">Nulls last reverse comparator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Functions.SelectorEqualityComparer.html" title="class in org.apache.calcite.linq4j.function">Functions.SelectorEqualityComparer</a><T,​T2></th> |
| <td class="colLast"> |
| <div class="block">Selector equality comparer.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary"> |
| <caption><span>Annotation Types Summary</span><span class="tabEnd"> </span></caption> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="Deterministic.html" title="annotation in org.apache.calcite.linq4j.function">Deterministic</a></th> |
| <td class="colLast"> |
| <div class="block">Specifies that function is deterministic (i.e.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Experimental.html" title="annotation in org.apache.calcite.linq4j.function">Experimental</a></th> |
| <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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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="NonDeterministic.html" title="annotation in org.apache.calcite.linq4j.function">NonDeterministic</a></th> |
| <td class="colLast"> |
| <div class="block">Specifies that function is NOT deterministic (i.e.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Parameter.html" title="annotation in org.apache.calcite.linq4j.function">Parameter</a></th> |
| <td class="colLast"> |
| <div class="block">Annotation that supplies metadata about a function parameter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="SemiStrict.html" title="annotation in org.apache.calcite.linq4j.function">SemiStrict</a></th> |
| <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> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="Strict.html" title="annotation in org.apache.calcite.linq4j.function">Strict</a></th> |
| <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> |
| </td> |
| </tr> |
| </tbody> |
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