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| <h2 title="Class RelMdColumnUniqueness" class="title">Class RelMdColumnUniqueness</h2> |
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| <ul class="inheritance"> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.rel.metadata.RelMdColumnUniqueness</li> |
| </ul> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a><<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnUniqueness.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness</a>></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">RelMdColumnUniqueness</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> |
| implements <a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a><<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnUniqueness.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness</a>></pre> |
| <div class="block">RelMdColumnUniqueness supplies a default implementation of |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html#areColumnsUnique-org.apache.calcite.rel.RelNode-org.apache.calcite.util.ImmutableBitSet-"><code>RelMetadataQuery.areColumnsUnique(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet)</code></a> for the standard logical algebra.</div> |
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| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#SOURCE">SOURCE</a></span></code> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Aggregate-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Calc-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Calc.html" title="class in org.apache.calcite.rel.core">Calc</a> rel, |
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| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
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| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
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| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Exchange-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Filter-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="class in org.apache.calcite.rel.core">Filter</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.plan.hep.HepRelVertex-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/plan/hep/HepRelVertex.html" title="class in org.apache.calcite.plan.hep">HepRelVertex</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Intersect-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Intersect.html" title="class in org.apache.calcite.rel.core">Intersect</a> rel, |
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| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
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| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Join-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Join.html" title="class in org.apache.calcite.rel.core">Join</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Minus-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Minus.html" title="class in org.apache.calcite.rel.core">Minus</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Project-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core">Project</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> |
| <div class="block">Catch-all implementation for |
| <a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.ColumnUniqueness.html#areColumnsUnique-org.apache.calcite.util.ImmutableBitSet-boolean-"><code>BuiltInMetadata.ColumnUniqueness.areColumnsUnique(ImmutableBitSet, boolean)</code></a>, |
| invoked using reflection, for any relational expression not |
| handled by a more specific method.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.plan.volcano.RelSubset-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/plan/volcano/RelSubset.html" title="class in org.apache.calcite.plan.volcano">RelSubset</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.SetOp-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/SetOp.html" title="class in org.apache.calcite.rel.core">SetOp</a> rel, |
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| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdColumnUniqueness.html#areColumnsUnique-org.apache.calcite.rel.core.Sort-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.util.ImmutableBitSet-boolean-">areColumnsUnique</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="class in org.apache.calcite.rel.core">Sort</a> rel, |
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| <a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns, |
| boolean ignoreNulls)</code> </td> |
| </tr> |
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| <dd><code>columns</code> - column mask representing the subset of columns for which |
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| <dt><span class="seeLabel">See Also:</span></dt> |
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| boolean ignoreNulls)</pre> |
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| boolean ignoreNulls)</pre> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a> areColumnsUnique(<a href="../../../../../org/apache/calcite/plan/volcano/RelSubset.html" title="class in org.apache.calcite.plan.volcano">RelSubset</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
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| boolean ignoreNulls)</pre> |
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