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| <h1 title="Package org.apache.calcite.rel.metadata" class="title">Package org.apache.calcite.rel.metadata</h1> |
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| <div class="package-signature">package <span class="element-name">org.apache.calcite.rel.metadata</span></div> |
| <section class="package-description" id="package-description"> |
| <div class="block">Defines metadata interfaces and utilities for relational |
| expressions.</div> |
| </section> |
| <section class="summary"> |
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| <div class="caption"><span>Related Packages</span></div> |
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| <div class="table-header col-first">Package</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><a href="../package-summary.html">org.apache.calcite.rel</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Defines relational expressions.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="janino/package-summary.html">org.apache.calcite.rel.metadata.janino</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Code for generating metadata handlers.</div> |
| </div> |
| </div> |
| </div> |
| </li> |
| <li> |
| <div id="class-summary"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="class-summary-tab0" role="tab" aria-selected="true" aria-controls="class-summary.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary', 2)" class="active-table-tab">All Classes and Interfaces</button><button id="class-summary-tab1" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab1', 2)" class="table-tab">Interfaces</button><button id="class-summary-tab2" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab2', 2)" class="table-tab">Classes</button><button id="class-summary-tab3" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab3', 2)" class="table-tab">Enums</button><button id="class-summary-tab5" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab5', 2)" class="table-tab">Exceptions</button></div> |
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| <div class="table-header col-first">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="BuiltInMetadata.html" title="class in org.apache.calcite.rel.metadata">BuiltInMetadata</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Contains the interfaces for several common forms of metadata.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.AllPredicates.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the predicates that hold in the rows emitted from a |
| relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.AllPredicates.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Collation.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Collation</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about which columns are sorted.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Collation.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Collation.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ColumnOrigin.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnOrigin</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the origins of columns.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ColumnOrigin.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnOrigin.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ColumnUniqueness.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about whether a set of columns uniquely identifies a row.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ColumnUniqueness.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.CumulativeCost.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.CumulativeCost</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the cost of evaluating a relational expression, including |
| all of its inputs.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.CumulativeCost.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.CumulativeCost.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.DistinctRowCount.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.DistinctRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the number of distinct rows returned by a set of columns |
| in a relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.DistinctRowCount.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.DistinctRowCount.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Distribution.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Distribution</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about how a relational expression is distributed.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Distribution.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Distribution.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ExplainVisibility.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ExplainVisibility</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about whether a relational expression should appear in a plan.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ExplainVisibility.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ExplainVisibility.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ExpressionLineage.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ExpressionLineage</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the origins of expressions.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.ExpressionLineage.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.ExpressionLineage.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.LowerBoundCost.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.LowerBoundCost</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata to get the lower bound cost of a RelNode.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.LowerBoundCost.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.LowerBoundCost.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.MaxRowCount.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.MaxRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the maximum number of rows returned by a relational |
| expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.MaxRowCount.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.MaxRowCount.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Memory.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Memory</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the memory use of an operator.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Memory.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Memory.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.MinRowCount.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.MinRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the minimum number of rows returned by a relational |
| expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.MinRowCount.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.MinRowCount.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.NodeTypes.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.NodeTypes</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the node types in a relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.NodeTypes.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.NodeTypes.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.NonCumulativeCost.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.NonCumulativeCost</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the cost of evaluating a relational expression, not |
| including its inputs.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.NonCumulativeCost.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.NonCumulativeCost.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Parallelism.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Parallelism</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the degree of parallelism of a relational expression, and |
| how its operators are assigned to processes with independent resource |
| pools.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Parallelism.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Parallelism.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.PercentageOriginalRows.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.PercentageOriginalRows</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the proportion of original rows that remain in a relational |
| expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.PercentageOriginalRows.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.PercentageOriginalRows.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.PopulationSize.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.PopulationSize</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the number of distinct values in the original source of a |
| column or set of columns.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.PopulationSize.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.PopulationSize.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Predicates.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Predicates</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the predicates that hold in the rows emitted from a |
| relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Predicates.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Predicates.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.RowCount.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.RowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the number of rows returned by a relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.RowCount.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.RowCount.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Selectivity.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Selectivity</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the selectivity of a predicate.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Selectivity.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Selectivity.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Size.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Size</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about the size of rows and columns.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.Size.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.Size.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.TableReferences.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.TableReferences</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata to obtain references to tables used by a given expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.TableReferences.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.TableReferences.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.UniqueKeys.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.UniqueKeys</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about which combinations of columns are unique identifiers.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="BuiltInMetadata.UniqueKeys.Handler.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.UniqueKeys.Handler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Handler API.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="CachingRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">CachingRelMetadataProvider</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2">Deprecated.</div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ChainedRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">ChainedRelMetadataProvider</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Implementation of the <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> |
| interface via the |
| <a href="../../util/Glossary.html#CHAIN_OF_RESPONSIBILITY_PATTERN"><code>Glossary.CHAIN_OF_RESPONSIBILITY_PATTERN</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab5"><a href="CyclicMetadataException.html" title="class in org.apache.calcite.rel.metadata">CyclicMetadataException</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab5"> |
| <div class="block">Exception that indicates that a cycle has been detected while |
| computing metadata.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="DefaultRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">DefaultRelMetadataProvider</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">DefaultRelMetadataProvider supplies a default implementation of the |
| <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> interface.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="DelegatingMetadataRel.html" title="interface in org.apache.calcite.rel.metadata">DelegatingMetadataRel</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Interface for <a href="../RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> where the metadata is derived from another node.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="JaninoRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Implementation of the <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> interface that generates |
| a class that dispatches to the underlying providers.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab5"><a href="JaninoRelMetadataProvider.NoHandler.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.NoHandler</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab5">Deprecated.</div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata about a relational expression.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a><M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Definition of metadata.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="MetadataFactory.html" title="interface in org.apache.calcite.rel.metadata">MetadataFactory</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Source of metadata about relational expressions.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MetadataFactoryImpl.html" title="class in org.apache.calcite.rel.metadata">MetadataFactoryImpl</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2">Deprecated. |
| <div class="deprecation-comment">Use <a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata"><code>RelMetadataQuery</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a><M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Marker interface for a handler of metadata.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="MetadataHandlerProvider.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandlerProvider</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Provides <a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata"><code>MetadataHandler</code></a> call sites for |
| <a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata"><code>RelMetadataQuery</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab5"><a href="MetadataHandlerProvider.NoHandler.html" title="class in org.apache.calcite.rel.metadata">MetadataHandlerProvider.NoHandler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab5"> |
| <div class="block">Exception that indicates there there should be a handler for |
| this class but there is not.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab3"><a href="NullSentinel.html" title="enum in org.apache.calcite.rel.metadata">NullSentinel</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab3"> |
| <div class="block">Placeholder for null values.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ProxyingMetadataHandlerProvider.html" title="class in org.apache.calcite.rel.metadata">ProxyingMetadataHandlerProvider</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">A MetadataHandlerProvider built on a RelMetadataProvider.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="ReflectiveRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">ReflectiveRelMetadataProvider</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Implementation of the <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> interface that dispatches |
| metadata methods to methods on a given object via reflection.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelColumnMapping.html" title="class in org.apache.calcite.rel.metadata">RelColumnMapping</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Mapping from an input column of a <a href="../RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> to |
| one of its output columns.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelColumnOrigin.html" title="class in org.apache.calcite.rel.metadata">RelColumnOrigin</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelColumnOrigin is a data structure describing one of the origins of an |
| output column produced by a relational expression.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdAllPredicates.html" title="class in org.apache.calcite.rel.metadata">RelMdAllPredicates</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Utility to extract Predicates that are present in the (sub)plan |
| starting at this node.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdCollation.html" title="class in org.apache.calcite.rel.metadata">RelMdCollation</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdCollation supplies a default implementation of |
| <a href="RelMetadataQuery.html#collations(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.collations(org.apache.calcite.rel.RelNode)</code></a> |
| for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdColumnOrigins.html" title="class in org.apache.calcite.rel.metadata">RelMdColumnOrigins</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdColumnOrigins supplies a default implementation of |
| <a href="RelMetadataQuery.html#getColumnOrigins(org.apache.calcite.rel.RelNode,int)"><code>RelMetadataQuery.getColumnOrigins(org.apache.calcite.rel.RelNode, int)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdColumnUniqueness.html" title="class in org.apache.calcite.rel.metadata">RelMdColumnUniqueness</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdColumnUniqueness supplies a default implementation of |
| <a href="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> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdDistinctRowCount.html" title="class in org.apache.calcite.rel.metadata">RelMdDistinctRowCount</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdDistinctRowCount supplies a default implementation of |
| <a href="RelMetadataQuery.html#getDistinctRowCount(org.apache.calcite.rel.RelNode,org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.rex.RexNode)"><code>RelMetadataQuery.getDistinctRowCount(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet, org.apache.calcite.rex.RexNode)</code></a> for the standard logical |
| algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdDistribution.html" title="class in org.apache.calcite.rel.metadata">RelMdDistribution</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdCollation supplies a default implementation of |
| <a href="RelMetadataQuery.html#distribution(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.distribution(org.apache.calcite.rel.RelNode)</code></a> |
| for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdExplainVisibility.html" title="class in org.apache.calcite.rel.metadata">RelMdExplainVisibility</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdExplainVisibility supplies a default implementation of |
| <a href="RelMetadataQuery.html#isVisibleInExplain(org.apache.calcite.rel.RelNode,org.apache.calcite.sql.SqlExplainLevel)"><code>RelMetadataQuery.isVisibleInExplain(org.apache.calcite.rel.RelNode, org.apache.calcite.sql.SqlExplainLevel)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdExpressionLineage.html" title="class in org.apache.calcite.rel.metadata">RelMdExpressionLineage</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementation of |
| <a href="RelMetadataQuery.html#getExpressionLineage(org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode)"><code>RelMetadataQuery.getExpressionLineage(org.apache.calcite.rel.RelNode, org.apache.calcite.rex.RexNode)</code></a> for the standard logical |
| algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdLowerBoundCost.html" title="class in org.apache.calcite.rel.metadata">RelMdLowerBoundCost</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementations of the |
| <a href="BuiltInMetadata.LowerBoundCost.html" title="interface in org.apache.calcite.rel.metadata"><code>BuiltInMetadata.LowerBoundCost</code></a> |
| metadata provider for the standard algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdMaxRowCount.html" title="class in org.apache.calcite.rel.metadata">RelMdMaxRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdMaxRowCount supplies a default implementation of |
| <a href="RelMetadataQuery.html#getMaxRowCount(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getMaxRowCount(org.apache.calcite.rel.RelNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdMemory.html" title="class in org.apache.calcite.rel.metadata">RelMdMemory</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementations of the |
| <a href="BuiltInMetadata.Memory.html" title="interface in org.apache.calcite.rel.metadata"><code>BuiltInMetadata.Memory</code></a> |
| metadata provider for the standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdMinRowCount.html" title="class in org.apache.calcite.rel.metadata">RelMdMinRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdMinRowCount supplies a default implementation of |
| <a href="RelMetadataQuery.html#getMinRowCount(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getMinRowCount(org.apache.calcite.rel.RelNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdNodeTypes.html" title="class in org.apache.calcite.rel.metadata">RelMdNodeTypes</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdNodeTypeCount supplies a default implementation of |
| <a href="RelMetadataQuery.html#getNodeTypes(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getNodeTypes(org.apache.calcite.rel.RelNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdParallelism.html" title="class in org.apache.calcite.rel.metadata">RelMdParallelism</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementations of the |
| <a href="BuiltInMetadata.Parallelism.html" title="interface in org.apache.calcite.rel.metadata"><code>BuiltInMetadata.Parallelism</code></a> |
| metadata provider for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdPercentageOriginalRows.html" title="class in org.apache.calcite.rel.metadata">RelMdPercentageOriginalRows</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdPercentageOriginalRows supplies a default implementation of |
| <a href="RelMetadataQuery.html#getPercentageOriginalRows(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getPercentageOriginalRows(org.apache.calcite.rel.RelNode)</code></a> for the standard logical |
| algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdPopulationSize.html" title="class in org.apache.calcite.rel.metadata">RelMdPopulationSize</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdPopulationSize supplies a default implementation of |
| <a href="RelMetadataQuery.html#getPopulationSize(org.apache.calcite.rel.RelNode,org.apache.calcite.util.ImmutableBitSet)"><code>RelMetadataQuery.getPopulationSize(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdPredicates.html" title="class in org.apache.calcite.rel.metadata">RelMdPredicates</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Utility to infer Predicates that are applicable above a RelNode.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdRowCount.html" title="class in org.apache.calcite.rel.metadata">RelMdRowCount</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdRowCount supplies a default implementation of |
| <a href="RelMetadataQuery.html#getRowCount(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getRowCount(org.apache.calcite.rel.RelNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdSelectivity.html" title="class in org.apache.calcite.rel.metadata">RelMdSelectivity</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdSelectivity supplies a default implementation of |
| <a href="RelMetadataQuery.html#getSelectivity(org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode)"><code>RelMetadataQuery.getSelectivity(org.apache.calcite.rel.RelNode, org.apache.calcite.rex.RexNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdSize.html" title="class in org.apache.calcite.rel.metadata">RelMdSize</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementations of the |
| <a href="BuiltInMetadata.Size.html" title="interface in org.apache.calcite.rel.metadata"><code>BuiltInMetadata.Size</code></a> |
| metadata provider for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdTableReferences.html" title="class in org.apache.calcite.rel.metadata">RelMdTableReferences</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementation of <a href="RelMetadataQuery.html#getTableReferences(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getTableReferences(org.apache.calcite.rel.RelNode)</code></a> for the |
| standard logical algebra.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMdUniqueKeys.html" title="class in org.apache.calcite.rel.metadata">RelMdUniqueKeys</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdUniqueKeys supplies a default implementation of |
| <a href="RelMetadataQuery.html#getUniqueKeys(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getUniqueKeys(org.apache.calcite.rel.RelNode)</code></a> for the standard logical algebra.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMdUtil.html" title="class in org.apache.calcite.rel.metadata">RelMdUtil</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMdUtil provides utility methods used by the metadata provider methods.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">RelMetadataProvider defines an interface for obtaining metadata about |
| relational expressions.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">RelMetadataQuery provides a strongly-typed facade on top of |
| <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> for the set of relational expression metadata |
| queries defined as standard within Calcite.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RelMetadataQueryBase.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQueryBase</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Base class for the RelMetadataQuery that uses the metadata handler class |
| generated by the Janino.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="UnboundMetadata.html" title="interface in org.apache.calcite.rel.metadata">UnboundMetadata</a><M extends @Nullable <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Metadata that needs to be bound to a <a href="../RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> and |
| <a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata"><code>RelMetadataQuery</code></a> before it can be used.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </li> |
| </ul> |
| </section> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small>Copyright © 2012-2023 Apache Software Foundation. All Rights Reserved.</small></p> |
| </footer> |
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