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| <h1 title="Class RelOptMaterializations" class="title">Class RelOptMaterializations</h1> |
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| <pre>public abstract class <span class="typeNameLabel">RelOptMaterializations</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre> |
| <div class="block">Utility methods for using |
| materialized views and lattices for queries.</div> |
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| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">RelOptMaterializations</a></span>()</code></th> |
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| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getApplicableMaterializations(org.apache.calcite.rel.RelNode,java.util.List)">getApplicableMaterializations</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>> materializations)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a list of materializations that can potentially be used by the query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useLattices(org.apache.calcite.rel.RelNode,java.util.List)">useLattices</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>> lattices)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a list of RelNode transformed from all possible lattice uses.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>>>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useMaterializedViews(org.apache.calcite.rel.RelNode,java.util.List)">useMaterializedViews</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>> materializations)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a list of RelNode transformed from all possible combination of |
| materialized view uses.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
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| <h3><a id="<init>()">RelOptMaterializations</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">RelOptMaterializations</span>()</div> |
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| <h3><a id="useMaterializedViews(org.apache.calcite.rel.RelNode,java.util.List)">useMaterializedViews</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>>>></span> <span class="memberName">useMaterializedViews</span>​(<span class="arguments"><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>> materializations)</span></div> |
| <div class="block">Returns a list of RelNode transformed from all possible combination of |
| materialized view uses. Big queries will likely have more than one |
| transformed RelNode, e.g., (t1 group by c1) join (t2 group by c2).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - the original RelNode</dd> |
| <dd><code>materializations</code> - the materialized view list</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the list of transformed RelNode together with their corresponding |
| materialized views used in the transformation.</dd> |
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| <h3><a id="useLattices(org.apache.calcite.rel.RelNode,java.util.List)">useLattices</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>>></span> <span class="memberName">useLattices</span>​(<span class="arguments"><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>> lattices)</span></div> |
| <div class="block">Returns a list of RelNode transformed from all possible lattice uses.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - the original RelNode</dd> |
| <dd><code>lattices</code> - the lattice list</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the list of transformed RelNode together with their corresponding |
| lattice used in the transformation.</dd> |
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| <h3><a id="getApplicableMaterializations(org.apache.calcite.rel.RelNode,java.util.List)">getApplicableMaterializations</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>></span> <span class="memberName">getApplicableMaterializations</span>​(<span class="arguments"><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>> materializations)</span></div> |
| <div class="block">Returns a list of materializations that can potentially be used by the query.</div> |
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