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| <h2 title="Class ConverterImpl" class="title">Class ConverterImpl</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">org.apache.calcite.rel.AbstractRelNode</a></li> |
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| <li><a href="../SingleRel.html" title="class in org.apache.calcite.rel">org.apache.calcite.rel.SingleRel</a></li> |
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| <li>org.apache.calcite.rel.convert.ConverterImpl</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.Cloneable</code>, <code><a href="../../plan/RelOptNode.html" title="interface in org.apache.calcite.plan">RelOptNode</a></code>, <code><a href="Converter.html" title="interface in org.apache.calcite.rel.convert">Converter</a></code>, <code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../plan/volcano/AbstractConverter.html" title="class in org.apache.calcite.plan.volcano">AbstractConverter</a></code>, <code><a href="../../adapter/cassandra/CassandraToEnumerableConverter.html" title="class in org.apache.calcite.adapter.cassandra">CassandraToEnumerableConverter</a></code>, <code><a href="../../adapter/elasticsearch/ElasticsearchToEnumerableConverter.html" title="class in org.apache.calcite.adapter.elasticsearch">ElasticsearchToEnumerableConverter</a></code>, <code><a href="../../adapter/enumerable/EnumerableBindable.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableBindable</a></code>, <code><a href="../../adapter/enumerable/EnumerableInterpretable.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableInterpretable</a></code>, <code><a href="../../adapter/spark/EnumerableToSparkConverter.html" title="class in org.apache.calcite.adapter.spark">EnumerableToSparkConverter</a></code>, <code><a href="../../adapter/geode/rel/GeodeToEnumerableConverter.html" title="class in org.apache.calcite.adapter.geode.rel">GeodeToEnumerableConverter</a></code>, <code><a href="../../interpreter/InterpretableConverter.html" title="class in org.apache.calcite.interpreter">InterpretableConverter</a></code>, <code><a href="../../adapter/jdbc/JdbcToEnumerableConverter.html" title="class in org.apache.calcite.adapter.jdbc">JdbcToEnumerableConverter</a></code>, <code><a href="../../adapter/spark/JdbcToSparkConverter.html" title="class in org.apache.calcite.adapter.spark">JdbcToSparkConverter</a></code>, <code><a href="../../adapter/mongodb/MongoToEnumerableConverter.html" title="class in org.apache.calcite.adapter.mongodb">MongoToEnumerableConverter</a></code>, <code><a href="NoneConverter.html" title="class in org.apache.calcite.rel.convert">NoneConverter</a></code>, <code><a href="../../adapter/pig/PigToEnumerableConverter.html" title="class in org.apache.calcite.adapter.pig">PigToEnumerableConverter</a></code>, <code><a href="../../adapter/spark/SparkToEnumerableConverter.html" title="class in org.apache.calcite.adapter.spark">SparkToEnumerableConverter</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">ConverterImpl</span> |
| extends <a href="../SingleRel.html" title="class in org.apache.calcite.rel">SingleRel</a> |
| implements <a href="Converter.html" title="interface in org.apache.calcite.rel.convert">Converter</a></pre> |
| <div class="block">Abstract implementation of <a href="Converter.html" title="interface in org.apache.calcite.rel.convert"><code>Converter</code></a>.</div> |
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| </a> |
| <h3>Nested classes/interfaces inherited from interface org.apache.calcite.rel.<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></h3> |
| <code><a href="../RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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>protected <a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#inTraits">inTraits</a></span></code></th> |
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| <td class="colFirst"><code>protected <a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#traitDef">traitDef</a></span></code></th> |
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| <code><a href="../SingleRel.html#input">input</a></code></li> |
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| </a> |
| <h3>Fields inherited from class org.apache.calcite.rel.<a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></h3> |
| <code><a href="../AbstractRelNode.html#digest">digest</a>, <a href="../AbstractRelNode.html#id">id</a>, <a href="../AbstractRelNode.html#rowType">rowType</a>, <a href="../AbstractRelNode.html#traitSet">traitSet</a></code></li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitDef,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode)">ConverterImpl</a></span>​(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a> traitDef, |
| <a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> traits, |
| <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> child)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a ConverterImpl.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <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>protected java.lang.Error</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cannotImplement()">cannotImplement</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">computeSelfCost</a></span>​(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a> planner, |
| <a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the cost of this plan (not including children).</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInputTraits()">getInputTraits</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the trait of the input relational expression.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTraitDef()">getTraitDef</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the definition of trait which this converter works on.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.rel.<a href="../SingleRel.html" title="class in org.apache.calcite.rel">SingleRel</a></h3> |
| <code><a href="../SingleRel.html#childrenAccept(org.apache.calcite.rel.RelVisitor)">childrenAccept</a>, <a href="../SingleRel.html#deriveRowType()">deriveRowType</a>, <a href="../SingleRel.html#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">estimateRowCount</a>, <a href="../SingleRel.html#explainTerms(org.apache.calcite.rel.RelWriter)">explainTerms</a>, <a href="../SingleRel.html#getInput()">getInput</a>, <a href="../SingleRel.html#getInputs()">getInputs</a>, <a href="../SingleRel.html#replaceInput(int,org.apache.calcite.rel.RelNode)">replaceInput</a></code></li> |
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| <h3>Methods inherited from class org.apache.calcite.rel.<a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></h3> |
| <code><a href="../AbstractRelNode.html#accept(org.apache.calcite.rel.RelShuttle)">accept</a>, <a href="../AbstractRelNode.html#accept(org.apache.calcite.rex.RexShuttle)">accept</a>, <a href="../AbstractRelNode.html#collectVariablesSet(java.util.Set)">collectVariablesSet</a>, <a href="../AbstractRelNode.html#collectVariablesUsed(java.util.Set)">collectVariablesUsed</a>, <a href="../AbstractRelNode.html#computeDigest()">computeDigest</a>, <a href="../AbstractRelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner)">computeSelfCost</a>, <a href="../AbstractRelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">copy</a>, <a href="../AbstractRelNode.html#equals(java.lang.Object)">equals</a>, <a href="../AbstractRelNode.html#explain(org.apache.calcite.rel.RelWriter)">explain</a>, <a href="../AbstractRelNode.html#getChildExps()">getChildExps</a>, <a href="../AbstractRelNode.html#getCluster()">getCluster</a>, <a href="../AbstractRelNode.html#getCollationList()">getCollationList</a>, <a href="../AbstractRelNode.html#getConvention()">getConvention</a>, <a href="../AbstractRelNode.html#getCorrelVariable()">getCorrelVariable</a>, <a href="../AbstractRelNode.html#getDescription()">getDescription</a>, <a href="../AbstractRelNode.html#getDigest()">getDigest</a>, <a href="../AbstractRelNode.html#getExpectedInputRowType(int)">getExpectedInputRowType</a>, <a href="../AbstractRelNode.html#getId()">getId</a>, <a href="../AbstractRelNode.html#getInput(int)">getInput</a>, <a href="../AbstractRelNode.html#getQuery()">getQuery</a>, <a href="../AbstractRelNode.html#getRelTypeName()">getRelTypeName</a>, <a href="../AbstractRelNode.html#getRows()">getRows</a>, <a href="../AbstractRelNode.html#getRowType()">getRowType</a>, <a href="../AbstractRelNode.html#getTable()">getTable</a>, <a href="../AbstractRelNode.html#getTraitSet()">getTraitSet</a>, <a href="../AbstractRelNode.html#getVariablesSet()">getVariablesSet</a>, <a href="../AbstractRelNode.html#getVariablesStopped()">getVariablesStopped</a>, <a href="../AbstractRelNode.html#hashCode()">hashCode</a>, <a href="../AbstractRelNode.html#isDistinct()">isDistinct</a>, <a href="../AbstractRelNode.html#isKey(org.apache.calcite.util.ImmutableBitSet)">isKey</a>, <a href="../AbstractRelNode.html#isValid(boolean)">isValid</a>, <a href="../AbstractRelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a>, <a href="../AbstractRelNode.html#metadata(java.lang.Class,org.apache.calcite.rel.metadata.RelMetadataQuery)">metadata</a>, <a href="../AbstractRelNode.html#onRegister(org.apache.calcite.plan.RelOptPlanner)">onRegister</a>, <a href="../AbstractRelNode.html#recomputeDigest()">recomputeDigest</a>, <a href="../AbstractRelNode.html#register(org.apache.calcite.plan.RelOptPlanner)">register</a>, <a href="../AbstractRelNode.html#sole(java.util.List)">sole</a>, <a href="../AbstractRelNode.html#toString()">toString</a></code></li> |
| </ul> |
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| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> |
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| <h3>Methods inherited from interface org.apache.calcite.rel.convert.<a href="Converter.html" title="interface in org.apache.calcite.rel.convert">Converter</a></h3> |
| <code><a href="Converter.html#getInput()">getInput</a></code></li> |
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| </a> |
| <h3>Methods inherited from interface org.apache.calcite.rel.<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></h3> |
| <code><a href="../RelNode.html#accept(org.apache.calcite.rel.RelShuttle)">accept</a>, <a href="../RelNode.html#accept(org.apache.calcite.rex.RexShuttle)">accept</a>, <a href="../RelNode.html#childrenAccept(org.apache.calcite.rel.RelVisitor)">childrenAccept</a>, <a href="../RelNode.html#collectVariablesSet(java.util.Set)">collectVariablesSet</a>, <a href="../RelNode.html#collectVariablesUsed(java.util.Set)">collectVariablesUsed</a>, <a href="../RelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner)">computeSelfCost</a>, <a href="../RelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">copy</a>, <a href="../RelNode.html#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">estimateRowCount</a>, <a href="../RelNode.html#explain(org.apache.calcite.rel.RelWriter)">explain</a>, <a href="../RelNode.html#getChildExps()">getChildExps</a>, <a href="../RelNode.html#getCollationList()">getCollationList</a>, <a href="../RelNode.html#getConvention()">getConvention</a>, <a href="../RelNode.html#getCorrelVariable()">getCorrelVariable</a>, <a href="../RelNode.html#getExpectedInputRowType(int)">getExpectedInputRowType</a>, <a href="../RelNode.html#getInput(int)">getInput</a>, <a href="../RelNode.html#getInputs()">getInputs</a>, <a href="../RelNode.html#getQuery()">getQuery</a>, <a href="../RelNode.html#getRelTypeName()">getRelTypeName</a>, <a href="../RelNode.html#getRows()">getRows</a>, <a href="../RelNode.html#getRowType()">getRowType</a>, <a href="../RelNode.html#getTable()">getTable</a>, <a href="../RelNode.html#getVariablesSet()">getVariablesSet</a>, <a href="../RelNode.html#getVariablesStopped()">getVariablesStopped</a>, <a href="../RelNode.html#isDistinct()">isDistinct</a>, <a href="../RelNode.html#isKey(org.apache.calcite.util.ImmutableBitSet)">isKey</a>, <a href="../RelNode.html#isValid(boolean)">isValid</a>, <a href="../RelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a>, <a href="../RelNode.html#metadata(java.lang.Class,org.apache.calcite.rel.metadata.RelMetadataQuery)">metadata</a>, <a href="../RelNode.html#onRegister(org.apache.calcite.plan.RelOptPlanner)">onRegister</a>, <a href="../RelNode.html#recomputeDigest()">recomputeDigest</a>, <a href="../RelNode.html#register(org.apache.calcite.plan.RelOptPlanner)">register</a>, <a href="../RelNode.html#replaceInput(int,org.apache.calcite.rel.RelNode)">replaceInput</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.plan.RelOptNode"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface org.apache.calcite.plan.<a href="../../plan/RelOptNode.html" title="interface in org.apache.calcite.plan">RelOptNode</a></h3> |
| <code><a href="../../plan/RelOptNode.html#getCluster()">getCluster</a>, <a href="../../plan/RelOptNode.html#getDescription()">getDescription</a>, <a href="../../plan/RelOptNode.html#getDigest()">getDigest</a>, <a href="../../plan/RelOptNode.html#getId()">getId</a>, <a href="../../plan/RelOptNode.html#getTraitSet()">getTraitSet</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <li class="blockList"><a id="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="inTraits"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>inTraits</h4> |
| <pre>protected <a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> inTraits</pre> |
| </li> |
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| <a id="traitDef"> |
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| <li class="blockList"> |
| <h4>traitDef</h4> |
| <pre>protected final <a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a> traitDef</pre> |
| </li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitDef,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>ConverterImpl</h4> |
| <pre>protected ConverterImpl​(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a> traitDef, |
| <a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> traits, |
| <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> child)</pre> |
| <div class="block">Creates a ConverterImpl.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cluster</code> - planner's cluster</dd> |
| <dd><code>traitDef</code> - the RelTraitDef this converter converts</dd> |
| <dd><code>traits</code> - the output traits of this converter</dd> |
| <dd><code>child</code> - child rel (provides input traits)</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a id="computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>computeSelfCost</h4> |
| <pre class="methodSignature">public <a href="../../plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a> computeSelfCost​(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a> planner, |
| <a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a> mq)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">RelNode</a></code></span></div> |
| <div class="block">Returns the cost of this plan (not including children). The base |
| implementation throws an error; derived classes should override. |
| |
| <p>NOTE jvs 29-Mar-2006: Don't call this method directly. Instead, use |
| <a href="../metadata/RelMetadataQuery.html#getNonCumulativeCost(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getNonCumulativeCost(org.apache.calcite.rel.RelNode)</code></a>, which gives plugins a |
| chance to override the rel's default ideas about cost.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../RelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">computeSelfCost</a></code> in interface <code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">computeSelfCost</a></code> in class <code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>planner</code> - Planner for cost calculation</dd> |
| <dd><code>mq</code> - Metadata query</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cost of this plan (not including children)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="cannotImplement()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>cannotImplement</h4> |
| <pre class="methodSignature">@Deprecated |
| protected java.lang.Error cannotImplement()</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| <a id="getInputTraits()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getInputTraits</h4> |
| <pre class="methodSignature">public <a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> getInputTraits()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Converter.html#getInputTraits()">Converter</a></code></span></div> |
| <div class="block">Returns the trait of the input relational expression.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Converter.html#getInputTraits()">getInputTraits</a></code> in interface <code><a href="Converter.html" title="interface in org.apache.calcite.rel.convert">Converter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>input trait</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getTraitDef()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getTraitDef</h4> |
| <pre class="methodSignature">public <a href="../../plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a> getTraitDef()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Converter.html#getTraitDef()">Converter</a></code></span></div> |
| <div class="block">Returns the definition of trait which this converter works on. |
| |
| <p>The input relational expression (matched by the rule) must possess |
| this trait and have the value given by <a href="Converter.html#getInputTraits()"><code>Converter.getInputTraits()</code></a>, and the |
| traits of the output of this converter given by <a href="../../plan/RelOptNode.html#getTraitSet()"><code>RelOptNode.getTraitSet()</code></a> will |
| have one trait altered and the other orthogonal traits will be the same.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Converter.html#getTraitDef()">getTraitDef</a></code> in interface <code><a href="Converter.html" title="interface in org.apache.calcite.rel.convert">Converter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>trait which this converter modifies</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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