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| <h1 title="Uses of Package org.apache.calcite.rel.metadata" class="title">Uses of Package<br>org.apache.calcite.rel.metadata</h1> |
| </div> |
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| <table class="useSummary"> |
| <caption><span>Packages that use <a href="package-summary.html">org.apache.calcite.rel.metadata</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Package</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.cassandra">org.apache.calcite.adapter.cassandra</a></th> |
| <td class="colLast"> |
| <div class="block">Cassandra query provider.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.csv">org.apache.calcite.adapter.csv</a></th> |
| <td class="colLast"> |
| <div class="block">Calcite query provider that reads from CSV (comma-separated value) files.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.druid">org.apache.calcite.adapter.druid</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a Druid database.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.elasticsearch">org.apache.calcite.adapter.elasticsearch</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on an Elasticsearch2 DB.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.enumerable">org.apache.calcite.adapter.enumerable</a></th> |
| <td class="colLast"> |
| <div class="block">Query optimizer rules for Java calling convention.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.geode.rel">org.apache.calcite.adapter.geode.rel</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on Apache Geode (Gemfire) In Memory Data Grid</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.jdbc">org.apache.calcite.adapter.jdbc</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a JDBC data source.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.mongodb">org.apache.calcite.adapter.mongodb</a></th> |
| <td class="colLast"> |
| <div class="block">Query provider based on a MongoDB database.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.spark">org.apache.calcite.adapter.spark</a></th> |
| <td class="colLast"> |
| <div class="block">Adapter based on the Apache Spark data management system.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.interpreter">org.apache.calcite.interpreter</a></th> |
| <td class="colLast"> |
| <div class="block">Provides an implementation of relational expressions using an interpreter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan">org.apache.calcite.plan</a></th> |
| <td class="colLast"> |
| <div class="block">Defines interfaces for constructing rule-based optimizers of |
| relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan.hep">org.apache.calcite.plan.hep</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a heuristic planner implementation for the interfaces in |
| <a href="../../plan/package-summary.html"><code>org.apache.calcite.plan</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.plan.volcano">org.apache.calcite.plan.volcano</a></th> |
| <td class="colLast"> |
| <div class="block">Optimizes relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel">org.apache.calcite.rel</a></th> |
| <td class="colLast"> |
| <div class="block">Defines relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.convert">org.apache.calcite.rel.convert</a></th> |
| <td class="colLast"> |
| <div class="block">Defines relational expressions and rules for converting between calling |
| conventions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.core">org.apache.calcite.rel.core</a></th> |
| <td class="colLast"> |
| <div class="block">Defines core relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.logical">org.apache.calcite.rel.logical</a></th> |
| <td class="colLast"> |
| <div class="block">Defines logical relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.metadata">org.apache.calcite.rel.metadata</a></th> |
| <td class="colLast"> |
| <div class="block">Defines metadata interfaces and utilities for relational |
| expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.mutable">org.apache.calcite.rel.mutable</a></th> |
| <td class="colLast"> |
| <div class="block">Defines mutable relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.rules">org.apache.calcite.rel.rules</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a core set of planner rules.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.rex">org.apache.calcite.rex</a></th> |
| <td class="colLast"> |
| <div class="block">Provides a language for representing row-expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.schema.impl">org.apache.calcite.schema.impl</a></th> |
| <td class="colLast"> |
| <div class="block">Utilities to help implement Calcite's SPIs.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql.type">org.apache.calcite.sql.type</a></th> |
| <td class="colLast"> |
| <div class="block">SQL type system.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.sql2rel">org.apache.calcite.sql2rel</a></th> |
| <td class="colLast"> |
| <div class="block">Translates a SQL parse tree to relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="#org.apache.calcite.tools">org.apache.calcite.tools</a></th> |
| <td class="colLast"> |
| <div class="block">Provides utility classes.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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| <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="class-use/RelMetadataQuery.html#org.apache.calcite.adapter.cassandra">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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> |
| </td> |
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| </tr> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.adapter.csv">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.adapter.druid">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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> |
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| <td class="colLast"> |
| <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> |
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| <td class="colLast"> |
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| </td> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.adapter.enumerable">RelMetadataQuery</a></th> |
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| <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> |
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| <div class="block">RelMetadataQuery provides a strongly-typed facade on top of |
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| queries defined as standard within Calcite.</div> |
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| queries defined as standard within Calcite.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataFactory.html#org.apache.calcite.plan">MetadataFactory</a></th> |
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| <div class="block">Source of metadata about relational expressions.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataProvider.html#org.apache.calcite.plan">RelMetadataProvider</a></th> |
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| <div class="block">RelMetadataProvider defines an interface for obtaining metadata about |
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| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.plan">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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 |
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| <th class="colFirst" scope="row"><a href="class-use/Metadata.html#org.apache.calcite.plan.hep">Metadata</a></th> |
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| <div class="block">Metadata about a relational expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataDef.html#org.apache.calcite.plan.hep">MetadataDef</a></th> |
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| <div class="block">Marker interface for a handler of metadata.</div> |
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| <td class="colLast"> |
| <div class="block">RelMetadataProvider defines an interface for obtaining metadata about |
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| <td class="colLast"> |
| <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 |
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| <td class="colLast"> |
| <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 |
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| <th class="colFirst" scope="row"><a href="class-use/Metadata.html#org.apache.calcite.plan.volcano">Metadata</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about a relational expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataDef.html#org.apache.calcite.plan.volcano">MetadataDef</a></th> |
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| <td class="colLast"> |
| <div class="block">Marker interface for a handler of metadata.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataProvider.html#org.apache.calcite.plan.volcano">RelMetadataProvider</a></th> |
| <td class="colLast"> |
| <div class="block">RelMetadataProvider defines an interface for obtaining metadata about |
| relational expressions.</div> |
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| <td class="colLast"> |
| <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> |
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| <th class="colFirst" scope="row"><a href="class-use/Metadata.html#org.apache.calcite.rel">Metadata</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.rel">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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 |
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| </tr> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.rel.convert">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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 |
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| <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 |
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| <td class="colLast"> |
| <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> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
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| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RelColumnMapping.html#org.apache.calcite.rel.logical">RelColumnMapping</a></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.rel.logical">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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 |
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| <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="class-use/BuiltInMetadata.AllPredicates.html#org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the predicates that hold in the rows emitted from a |
| relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.AllPredicates.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Collation.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Collation</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about which columns are sorted.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Collation.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Collation.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ColumnOrigin.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnOrigin</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the origins of columns.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ColumnOrigin.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnOrigin.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ColumnUniqueness.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about whether a set of columns uniquely identifies a row.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ColumnUniqueness.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ColumnUniqueness.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.CumulativeCost.html#org.apache.calcite.rel.metadata">BuiltInMetadata.CumulativeCost</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the cost of evaluating a relational expression, including |
| all of its inputs.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.CumulativeCost.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.CumulativeCost.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.DistinctRowCount.html#org.apache.calcite.rel.metadata">BuiltInMetadata.DistinctRowCount</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the number of distinct rows returned by a set of columns |
| in a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.DistinctRowCount.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.DistinctRowCount.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Distribution.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Distribution</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about how a relational expression is distributed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Distribution.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Distribution.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ExplainVisibility.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ExplainVisibility</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about whether a relational expression should appear in a plan.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ExplainVisibility.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ExplainVisibility.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ExpressionLineage.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ExpressionLineage</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the origins of expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.ExpressionLineage.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.ExpressionLineage.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.MaxRowCount.html#org.apache.calcite.rel.metadata">BuiltInMetadata.MaxRowCount</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the maximum number of rows returned by a relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.MaxRowCount.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.MaxRowCount.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Memory.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Memory</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the memory use of an operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Memory.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Memory.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.MinRowCount.html#org.apache.calcite.rel.metadata">BuiltInMetadata.MinRowCount</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the minimum number of rows returned by a relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.MinRowCount.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.MinRowCount.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.NodeTypes.html#org.apache.calcite.rel.metadata">BuiltInMetadata.NodeTypes</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the node types in a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.NodeTypes.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.NodeTypes.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.NonCumulativeCost.html#org.apache.calcite.rel.metadata">BuiltInMetadata.NonCumulativeCost</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the cost of evaluating a relational expression, not |
| including its inputs.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.NonCumulativeCost.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.NonCumulativeCost.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Parallelism.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Parallelism</a></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Parallelism.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Parallelism.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.PercentageOriginalRows.html#org.apache.calcite.rel.metadata">BuiltInMetadata.PercentageOriginalRows</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the proportion of original rows that remain in a relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.PercentageOriginalRows.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.PercentageOriginalRows.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.PopulationSize.html#org.apache.calcite.rel.metadata">BuiltInMetadata.PopulationSize</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the number of distinct values in the original source of a |
| column or set of columns.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.PopulationSize.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.PopulationSize.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Predicates.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Predicates</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the predicates that hold in the rows emitted from a |
| relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Predicates.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Predicates.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.RowCount.html#org.apache.calcite.rel.metadata">BuiltInMetadata.RowCount</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the number of rows returned by a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.RowCount.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.RowCount.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Selectivity.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Selectivity</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the selectivity of a predicate.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Selectivity.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Selectivity.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Size.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Size</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about the size of rows and columns.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.Size.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.Size.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.TableReferences.html#org.apache.calcite.rel.metadata">BuiltInMetadata.TableReferences</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata to obtain references to tables used by a given expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.TableReferences.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.TableReferences.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.UniqueKeys.html#org.apache.calcite.rel.metadata">BuiltInMetadata.UniqueKeys</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about which combinations of columns are unique identifiers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/BuiltInMetadata.UniqueKeys.Handler.html#org.apache.calcite.rel.metadata">BuiltInMetadata.UniqueKeys.Handler</a></th> |
| <td class="colLast"> |
| <div class="block">Handler API.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/CachingRelMetadataProvider.CacheEntry.html#org.apache.calcite.rel.metadata">CachingRelMetadataProvider.CacheEntry</a></th> |
| <td class="colLast"> |
| <div class="block">An entry in the cache.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/ChainedRelMetadataProvider.html#org.apache.calcite.rel.metadata">ChainedRelMetadataProvider</a></th> |
| <td class="colLast"> |
| <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> |
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| <th class="colFirst" scope="row"><a href="class-use/CyclicMetadataException.html#org.apache.calcite.rel.metadata">CyclicMetadataException</a></th> |
| <td class="colLast"> |
| <div class="block">Exception that indicates that a cycle has been detected while |
| computing metadata.</div> |
| </td> |
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| <th class="colFirst" scope="row"><a href="class-use/DefaultRelMetadataProvider.html#org.apache.calcite.rel.metadata">DefaultRelMetadataProvider</a></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="class-use/JaninoRelMetadataProvider.html#org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a></th> |
| <td class="colLast"> |
| <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> |
| </td> |
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| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="class-use/JaninoRelMetadataProvider.Key.html#org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.Key</a></th> |
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| <div class="block">Key for the cache.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/Metadata.html#org.apache.calcite.rel.metadata">Metadata</a></th> |
| <td class="colLast"> |
| <div class="block">Metadata about a relational expression.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataDef.html#org.apache.calcite.rel.metadata">MetadataDef</a></th> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataFactory.html#org.apache.calcite.rel.metadata">MetadataFactory</a></th> |
| <td class="colLast"> |
| <div class="block">Source of metadata about relational expressions.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/MetadataHandler.html#org.apache.calcite.rel.metadata">MetadataHandler</a></th> |
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| <div class="block">Marker interface for a handler of metadata.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/NullSentinel.html#org.apache.calcite.rel.metadata">NullSentinel</a></th> |
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| <div class="block">Placeholder for null values.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/ReflectiveRelMetadataProvider.Space.html#org.apache.calcite.rel.metadata">ReflectiveRelMetadataProvider.Space</a></th> |
| <td class="colLast"> |
| <div class="block">Workspace for computing which methods can act as handlers for |
| given metadata methods.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/ReflectiveRelMetadataProvider.Space2.html#org.apache.calcite.rel.metadata">ReflectiveRelMetadataProvider.Space2</a></th> |
| <td class="colLast"> |
| <div class="block">Extended work space.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RelColumnOrigin.html#org.apache.calcite.rel.metadata">RelColumnOrigin</a></th> |
| <td class="colLast"> |
| <div class="block">RelColumnOrigin is a data structure describing one of the origins of an |
| output column produced by a relational expression.</div> |
| </td> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMdPercentageOriginalRows.html#org.apache.calcite.rel.metadata">RelMdPercentageOriginalRows</a></th> |
| <td class="colLast"> |
| <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 |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataProvider.html#org.apache.calcite.rel.metadata">RelMetadataProvider</a></th> |
| <td class="colLast"> |
| <div class="block">RelMetadataProvider defines an interface for obtaining metadata about |
| relational expressions.</div> |
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| <th class="colFirst" scope="row"><a href="class-use/RelMetadataQuery.html#org.apache.calcite.rel.metadata">RelMetadataQuery</a></th> |
| <td class="colLast"> |
| <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> |
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| <th class="colFirst" scope="row"><a href="class-use/UnboundMetadata.html#org.apache.calcite.rel.metadata">UnboundMetadata</a></th> |
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| <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 |
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| <th class="colFirst" scope="row"><a href="class-use/RelColumnMapping.html#org.apache.calcite.rel.mutable">RelColumnMapping</a></th> |
| <td class="colLast"> |
| <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 |
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