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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rel.metadata</a></div>
<h1 title="Interface BuiltInMetadata.AllPredicates" class="title">Interface BuiltInMetadata.AllPredicates</h1>
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<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Superinterfaces:</dt>
<dd><code><a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a></code></dd>
</dl>
<dl class="notes">
<dt>Enclosing class:</dt>
<dd><a href="BuiltInMetadata.html" title="class in org.apache.calcite.rel.metadata">BuiltInMetadata</a></dd>
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<div class="type-signature"><span class="modifiers">public static interface </span><span class="element-name type-name-label">BuiltInMetadata.AllPredicates</span><span class="extends-implements">
extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a></span></div>
<div class="block">Metadata about the predicates that hold in the rows emitted from a
relational expression.
<p>The difference with respect to <a href="BuiltInMetadata.Predicates.html" title="interface in org.apache.calcite.rel.metadata"><code>BuiltInMetadata.Predicates</code></a> provider is that
this provider tries to extract ALL predicates even if they are not
applied on the output expressions of the relational expression; we rely
on <a href="../../rex/RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> to reference origin columns in
<a href="../core/TableScan.html" title="class in org.apache.calcite.rel.core"><code>TableScan</code></a> for the result predicates.</div>
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<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static interface&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="BuiltInMetadata.AllPredicates.Handler.html" class="type-name-link" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates.Handler</a></code></div>
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<div class="block">Handler API.</div>
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<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static final <a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;<a href="BuiltInMetadata.AllPredicates.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates</a>&gt;</code></div>
<div class="col-second even-row-color"><code><a href="#DEF" class="member-name-link">DEF</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../../plan/RelOptPredicateList.html" title="class in org.apache.calcite.plan">RelOptPredicateList</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getAllPredicates()" class="member-name-link">getAllPredicates</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Derives the predicates that hold on rows emitted from a relational
expression.</div>
</div>
</div>
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<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.rel.metadata.Metadata">Methods inherited from interface&nbsp;org.apache.calcite.rel.metadata.<a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a></h3>
<code><a href="Metadata.html#rel()">rel</a></code></div>
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<h3>DEF</h3>
<div class="member-signature"><span class="modifiers">static final</span>&nbsp;<span class="return-type"><a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;<a href="BuiltInMetadata.AllPredicates.html" title="interface in org.apache.calcite.rel.metadata">BuiltInMetadata.AllPredicates</a>&gt;</span>&nbsp;<span class="element-name">DEF</span></div>
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<section class="detail" id="getAllPredicates()">
<h3>getAllPredicates</h3>
<div class="member-signature"><span class="return-type">@Nullable <a href="../../plan/RelOptPredicateList.html" title="class in org.apache.calcite.plan">RelOptPredicateList</a></span>&nbsp;<span class="element-name">getAllPredicates</span>()</div>
<div class="block">Derives the predicates that hold on rows emitted from a relational
expression.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>predicate list, or null if the provider cannot infer the
lineage for any of the expressions contained in any of the predicates</dd>
</dl>
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