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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.rel.metadata</a></div> |
| <h1 title="Class MetadataFactoryImpl" class="title">Class MetadataFactoryImpl</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.rel.metadata.MetadataFactoryImpl</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="MetadataFactory.html" title="interface in org.apache.calcite.rel.metadata">MetadataFactory</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a> |
| </span><span class="modifiers">public class </span><span class="element-name type-name-label">MetadataFactoryImpl</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| implements <a href="MetadataFactory.html" title="interface in org.apache.calcite.rel.metadata">MetadataFactory</a></span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span> |
| <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="block">Implementation of <a href="MetadataFactory.html" title="interface in org.apache.calcite.rel.metadata"><code>MetadataFactory</code></a> that gets providers from a |
| <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> and stores them in a cache. |
| |
| <p>The cache does not store metadata. It remembers which providers can |
| provide which kinds of metadata, for which kinds of relational |
| expressions.</p></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static final <a href="UnboundMetadata.html" title="interface in org.apache.calcite.rel.metadata">UnboundMetadata</a><@Nullable <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></code></div> |
| <div class="col-second even-row-color"><code><a href="#DUMMY" class="member-name-link">DUMMY</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span></div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.rel.metadata.RelMetadataProvider)" class="member-name-link">MetadataFactoryImpl</a><wbr>(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a> provider)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span></div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
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| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><@Nullable M extends @Nullable <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>><br>M</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#query(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.metadata.RelMetadataQuery,java.lang.Class)" class="member-name-link">query</a><wbr>(<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><@Nullable M> metadataClazz)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span></div> |
| <div class="block">Returns a metadata interface to get a particular kind of metadata |
| from a particular relational expression.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
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| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="DUMMY"> |
| <h3>DUMMY</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="UnboundMetadata.html" title="interface in org.apache.calcite.rel.metadata">UnboundMetadata</a><@Nullable <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></span> <span class="element-name">DUMMY</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(org.apache.calcite.rel.metadata.RelMetadataProvider)"> |
| <h3>MetadataFactoryImpl</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">MetadataFactoryImpl</span><wbr><span class="parameters">(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a> provider)</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="query(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.metadata.RelMetadataQuery,java.lang.Class)"> |
| <h3>query</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="type-parameters"><@Nullable M extends @Nullable <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>></span> <span class="return-type">M</span> <span class="element-name">query</span><wbr><span class="parameters">(<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><@Nullable M> metadataClazz)</span></div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="MetadataFactory.html#query(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.metadata.RelMetadataQuery,java.lang.Class)">MetadataFactory</a></code></span></div> |
| <div class="block">Returns a metadata interface to get a particular kind of metadata |
| from a particular relational expression. Returns null if that kind of |
| metadata is not available.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="MetadataFactory.html#query(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.metadata.RelMetadataQuery,java.lang.Class)">query</a></code> in interface <code><a href="MetadataFactory.html" title="interface in org.apache.calcite.rel.metadata">MetadataFactory</a></code></dd> |
| <dt>Type Parameters:</dt> |
| <dd><code>M</code> - Metadata type</dd> |
| <dt>Parameters:</dt> |
| <dd><code>rel</code> - Relational expression</dd> |
| <dd><code>mq</code> - Metadata query</dd> |
| <dd><code>metadataClazz</code> - Metadata class</dd> |
| <dt>Returns:</dt> |
| <dd>Metadata bound to <code>rel</code> and <code>query</code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
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