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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.plan</a></div> |
| <h2 title="Class RelOptMaterialization" class="title">Class RelOptMaterialization</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li>org.apache.calcite.plan.RelOptMaterialization</li> |
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| <pre>public class <span class="typeNameLabel">RelOptMaterialization</span> |
| extends java.lang.Object</pre> |
| <div class="block">Records that a particular query is materialized by a particular table.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RelOptMaterialization.ProjectFilterTable.html" title="class in org.apache.calcite.plan">RelOptMaterialization.ProjectFilterTable</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">A table scan and optional project mapping and filter condition.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.String></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#qualifiedTableName">qualifiedTableName</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#queryRel">queryRel</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#starRelOptTable">starRelOptTable</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#starTable">starTable</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tableRel">tableRel</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelOptTable,java.util.List)">RelOptMaterialization</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> tableRel, |
| <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> queryRel, |
| <a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> starRelOptTable, |
| java.util.List<java.lang.String> qualifiedTableName)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a RelOptMaterialization.</div> |
| </td> |
| </tr> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toLeafJoinForm(org.apache.calcite.rel.RelNode)">toLeafJoinForm</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts a relational expression to a form where |
| <a href="../rel/logical/LogicalJoin.html" title="class in org.apache.calcite.rel.logical"><code>LogicalJoin</code></a>s are |
| as close to leaves as possible.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tryUseStar(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelOptTable)">tryUseStar</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> starRelOptTable)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts a relational expression to one that uses a |
| <a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl"><code>StarTable</code></a>.</div> |
| </td> |
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| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
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| <h3>Field Detail</h3> |
| <a id="tableRel"> |
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| <li class="blockList"> |
| <h4>tableRel</h4> |
| <pre>public final <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> tableRel</pre> |
| </li> |
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| <h4>starRelOptTable</h4> |
| <pre>public final <a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> starRelOptTable</pre> |
| </li> |
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| <h4>starTable</h4> |
| <pre>public final <a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a> starTable</pre> |
| </li> |
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| <h4>qualifiedTableName</h4> |
| <pre>public final java.util.List<java.lang.String> qualifiedTableName</pre> |
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| <a id="queryRel"> |
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| <h4>queryRel</h4> |
| <pre>public final <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> queryRel</pre> |
| </li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| <li class="blockList"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelOptTable,java.util.List)"> |
| <!-- --> |
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| <h4>RelOptMaterialization</h4> |
| <pre>public RelOptMaterialization​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> tableRel, |
| <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> queryRel, |
| <a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> starRelOptTable, |
| java.util.List<java.lang.String> qualifiedTableName)</pre> |
| <div class="block">Creates a RelOptMaterialization.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a id="tryUseStar(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelOptTable)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>tryUseStar</h4> |
| <pre class="methodSignature">public static <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> tryUseStar​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> starRelOptTable)</pre> |
| <div class="block">Converts a relational expression to one that uses a |
| <a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl"><code>StarTable</code></a>. |
| |
| <p>The relational expression is already in leaf-join-form, per |
| <a href="#toLeafJoinForm(org.apache.calcite.rel.RelNode)"><code>toLeafJoinForm(org.apache.calcite.rel.RelNode)</code></a>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Rewritten expression, or null if expression cannot be rewritten |
| to use the star</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toLeafJoinForm(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>toLeafJoinForm</h4> |
| <pre class="methodSignature">public static <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> toLeafJoinForm​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</pre> |
| <div class="block">Converts a relational expression to a form where |
| <a href="../rel/logical/LogicalJoin.html" title="class in org.apache.calcite.rel.logical"><code>LogicalJoin</code></a>s are |
| as close to leaves as possible.</div> |
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