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| <li>Summary: </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql2rel</a></div> |
| <h2 title="Class RelStructuredTypeFlattener" class="title">Class RelStructuredTypeFlattener</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.sql2rel.RelStructuredTypeFlattener</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">RelStructuredTypeFlattener</span> |
| extends java.lang.Object |
| implements <a href="../util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a></pre> |
| <div class="block">RelStructuredTypeFlattener removes all structured types from a tree of |
| relational expressions. Because it must operate globally on the tree, it is |
| implemented as an explicit self-contained rewrite operation instead of via |
| normal optimizer rules. This approach has the benefit that real optimizer and |
| codegen rules never have to deal with structured types. |
| |
| <p>As an example, suppose we have a structured type <code>ST(A1 smallint, A2 |
| bigint)</code>, a table <code>T(c1 ST, c2 double)</code>, and a query <code> |
| select t.c2, t.c1.a2 from t</code>. After SqlToRelConverter executes, the |
| unflattened tree looks like: |
| |
| <blockquote><pre><code> |
| LogicalProject(C2=[$1], A2=[$0.A2]) |
| LogicalTableScan(table=[T]) |
| </code></pre></blockquote> |
| |
| <p>After flattening, the resulting tree looks like |
| |
| <blockquote><pre><code> |
| LogicalProject(C2=[$3], A2=[$2]) |
| FtrsIndexScanRel(table=[T], index=[clustered]) |
| </code></pre></blockquote> |
| |
| <p>The index scan produces a flattened row type <code>(boolean, smallint, |
| bigint, double)</code> (the boolean is a null indicator for c1), and the |
| projection picks out the desired attributes (omitting <code>$0</code> and |
| <code>$1</code> altogether). After optimization, the projection might be |
| pushed down into the index scan, resulting in a final tree like |
| |
| <blockquote><pre><code> |
| FtrsIndexScanRel(table=[T], index=[clustered], projection=[3, 2]) |
| </code></pre></blockquote></div> |
| </li> |
| </ul> |
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| <h3>Nested Class Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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 class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RelStructuredTypeFlattener.RewriteRelVisitor.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRelVisitor</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Visitor that flattens each relational expression in a tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RelStructuredTypeFlattener.RewriteRexShuttle.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRexShuttle</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Shuttle that rewrites scalar expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RelStructuredTypeFlattener.SelfFlatteningRel.html" title="interface in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.SelfFlatteningRel</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Mix-in interface for relational expressions that know how to |
| flatten themselves.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <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>private <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="#currentRel">currentRel</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenedRootType">flattenedRootType</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#iRestructureInput">iRestructureInput</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private java.util.Map<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<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="#oldToNewRelMap">oldToNewRelMap</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#relBuilder">relBuilder</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#restructure">restructure</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#restructured">restructured</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rexBuilder">rexBuilder</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toRelContext">toRelContext</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <section role="region"> |
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| <li class="blockList"><a id="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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.rex.RexBuilder,org.apache.calcite.plan.RelOptTable.ToRelContext,boolean)">RelStructuredTypeFlattener</a></span>​(<a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> toRelContext, |
| boolean restructure)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rex.RexBuilder,org.apache.calcite.plan.RelOptTable.ToRelContext,boolean)">RelStructuredTypeFlattener</a></span>​(<a href="../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> toRelContext, |
| boolean restructure)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <li class="blockList"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <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></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>private java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#extractName(java.util.List,java.lang.String,int)">extractName</a></span>​(java.util.List<java.lang.String> fieldNames, |
| java.lang.String prefix, |
| int i)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenInputs(java.util.List,org.apache.calcite.rex.RexNode,java.util.List)">flattenInputs</a></span>​(java.util.List<<a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>> fieldList, |
| <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> prefix, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExpList)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates expressions that reference the flattened input fields from |
| a given row type.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenNullLiteral(org.apache.calcite.rel.type.RelDataType,java.util.List)">flattenNullLiteral</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenProjection(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle,org.apache.calcite.rex.RexNode,java.lang.String,java.util.List)">flattenProjection</a></span>​(<a href="RelStructuredTypeFlattener.RewriteRexShuttle.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRexShuttle</a> shuttle, |
| <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> exp, |
| java.lang.String fieldName, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenProjections(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle,java.util.List,java.util.List,java.lang.String,java.util.List)">flattenProjections</a></span>​(<a href="RelStructuredTypeFlattener.RewriteRexShuttle.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRexShuttle</a> shuttle, |
| java.util.List<? extends <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exps, |
| java.util.List<java.lang.String> fieldNames, |
| java.lang.String prefix, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenResultTypeOfRexCall(org.apache.calcite.rex.RexNode,java.lang.String,java.util.List)">flattenResultTypeOfRexCall</a></span>​(<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> newExp, |
| java.lang.String fieldName, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../linq4j/Ord.html" title="class in org.apache.calcite.linq4j">Ord</a><<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewFieldForOldInput(int)">getNewFieldForOldInput</a></span>​(int oldOrdinal)</code></th> |
| <td class="colLast"> |
| <div class="block">Maps the ordinal of a field pre-flattening to the ordinal of the |
| corresponding field post-flattening, and also returns its type.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../linq4j/Ord.html" title="class in org.apache.calcite.linq4j">Ord</a><<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewFieldForOldInput(int,int)">getNewFieldForOldInput</a></span>​(int oldOrdinal, |
| int innerOrdinal)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds type and new ordinal relative to new inputs by oldOrdinal and |
| innerOrdinal indexes.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewForOldInput(int)">getNewForOldInput</a></span>​(int oldOrdinal)</code></th> |
| <td class="colLast"> |
| <div class="block">Maps the ordinal of a field pre-flattening to the ordinal of the |
| corresponding field post-flattening.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewForOldInputMapping(org.apache.calcite.rel.RelNode)">getNewForOldInputMapping</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a mapping between old and new fields.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected <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="#getNewForOldRel(org.apache.calcite.rel.RelNode)">getNewForOldRel</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewInnerOrdinal(org.apache.calcite.rex.RexNode,java.lang.String)">getNewInnerOrdinal</a></span>​(<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> firstOp, |
| java.lang.String literalString)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>private <a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNewInputFieldByNewOrdinal(int)">getNewInputFieldByNewOrdinal</a></span>​(int newOrdinal)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPostFlatteningOrdinal(org.apache.calcite.rel.type.RelDataType,int)">getPostFlatteningOrdinal</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> preFlattenRowType, |
| int preFlattenOrdinal)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConstructor(org.apache.calcite.rex.RexNode)">isConstructor</a></span>​(<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> rexNode)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#postFlattenSize(org.apache.calcite.rel.type.RelDataType)">postFlattenSize</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>private <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#restructure(org.apache.calcite.rel.type.RelDataType)">restructure</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> structuredType)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>private java.util.List<<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#restructureFields(org.apache.calcite.rel.type.RelDataType)">restructureFields</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> structuredType)</code></th> |
| <td class="colLast"> |
| <div class="block">When called with old root rowType it's known that flattened root (which may become input) |
| returns flat fields, so it simply refers flat fields by increasing index and collects them |
| back into struct constructor expressions if necessary.</div> |
| </td> |
| </tr> |
| <tr id="i18" 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="#rewrite(org.apache.calcite.rel.RelNode)">rewrite</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> root)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteGeneric(org.apache.calcite.rel.RelNode)">rewriteGeneric</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.core.Collect)">rewriteRel</a></span>​(<a href="../rel/core/Collect.html" title="class in org.apache.calcite.rel.core">Collect</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.core.Sample)">rewriteRel</a></span>​(<a href="../rel/core/Sample.html" title="class in org.apache.calcite.rel.core">Sample</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.core.Sort)">rewriteRel</a></span>​(<a href="../rel/core/Sort.html" title="class in org.apache.calcite.rel.core">Sort</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.core.TableScan)">rewriteRel</a></span>​(<a href="../rel/core/TableScan.html" title="class in org.apache.calcite.rel.core">TableScan</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.core.Uncollect)">rewriteRel</a></span>​(<a href="../rel/core/Uncollect.html" title="class in org.apache.calcite.rel.core">Uncollect</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalAggregate)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalCalc)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalCalc.html" title="class in org.apache.calcite.rel.logical">LogicalCalc</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalCorrelate)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalCorrelate.html" title="class in org.apache.calcite.rel.logical">LogicalCorrelate</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalFilter)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalFilter.html" title="class in org.apache.calcite.rel.logical">LogicalFilter</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalIntersect)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalIntersect.html" title="class in org.apache.calcite.rel.logical">LogicalIntersect</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalJoin)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalJoin.html" title="class in org.apache.calcite.rel.logical">LogicalJoin</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalMatch)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalMatch.html" title="class in org.apache.calcite.rel.logical">LogicalMatch</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalMinus)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalMinus.html" title="class in org.apache.calcite.rel.logical">LogicalMinus</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalProject)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalProject.html" title="class in org.apache.calcite.rel.logical">LogicalProject</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalSnapshot)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalSnapshot.html" title="class in org.apache.calcite.rel.logical">LogicalSnapshot</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalTableFunctionScan)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalTableFunctionScan.html" title="class in org.apache.calcite.rel.logical">LogicalTableFunctionScan</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalTableModify)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalTableModify.html" title="class in org.apache.calcite.rel.logical">LogicalTableModify</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalUnion)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalUnion.html" title="class in org.apache.calcite.rel.logical">LogicalUnion</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.logical.LogicalValues)">rewriteRel</a></span>​(<a href="../rel/logical/LogicalValues.html" title="class in org.apache.calcite.rel.logical">LogicalValues</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.stream.LogicalChi)">rewriteRel</a></span>​(<a href="../rel/stream/LogicalChi.html" title="class in org.apache.calcite.rel.stream">LogicalChi</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.rel.stream.LogicalDelta)">rewriteRel</a></span>​(<a href="../rel/stream/LogicalDelta.html" title="class in org.apache.calcite.rel.stream">LogicalDelta</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteRel(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.SelfFlatteningRel)">rewriteRel</a></span>​(<a href="RelStructuredTypeFlattener.SelfFlatteningRel.html" title="interface in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.SelfFlatteningRel</a> rel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setNewForOldRel(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">setNewForOldRel</a></span>​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel, |
| <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> newRel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#updateRelInMap(com.google.common.collect.SortedSetMultimap)">updateRelInMap</a></span>​(com.google.common.collect.SortedSetMultimap<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>> mapRefRelToCorVar)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#updateRelInMap(java.util.SortedMap)">updateRelInMap</a></span>​(java.util.SortedMap<<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,​<a href="../rel/logical/LogicalCorrelate.html" title="class in org.apache.calcite.rel.logical">LogicalCorrelate</a>> mapCorVarToCorRel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </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> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="relBuilder"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>relBuilder</h4> |
| <pre>private final <a href="../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder</pre> |
| </li> |
| </ul> |
| <a id="rexBuilder"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rexBuilder</h4> |
| <pre>private final <a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder</pre> |
| </li> |
| </ul> |
| <a id="restructure"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>restructure</h4> |
| <pre>private final boolean restructure</pre> |
| </li> |
| </ul> |
| <a id="oldToNewRelMap"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>oldToNewRelMap</h4> |
| <pre>private final java.util.Map<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> oldToNewRelMap</pre> |
| </li> |
| </ul> |
| <a id="currentRel"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>currentRel</h4> |
| <pre>private <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> currentRel</pre> |
| </li> |
| </ul> |
| <a id="iRestructureInput"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>iRestructureInput</h4> |
| <pre>private int iRestructureInput</pre> |
| </li> |
| </ul> |
| <a id="flattenedRootType"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>flattenedRootType</h4> |
| <pre>private <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> flattenedRootType</pre> |
| </li> |
| </ul> |
| <a id="restructured"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>restructured</h4> |
| <pre>boolean restructured</pre> |
| </li> |
| </ul> |
| <a id="toRelContext"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>toRelContext</h4> |
| <pre>private final <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> toRelContext</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.rex.RexBuilder,org.apache.calcite.plan.RelOptTable.ToRelContext,boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>RelStructuredTypeFlattener</h4> |
| <pre>@Deprecated |
| public RelStructuredTypeFlattener​(<a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> toRelContext, |
| boolean restructure)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rex.RexBuilder,org.apache.calcite.plan.RelOptTable.ToRelContext,boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>RelStructuredTypeFlattener</h4> |
| <pre>public RelStructuredTypeFlattener​(<a href="../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> toRelContext, |
| boolean restructure)</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="updateRelInMap(com.google.common.collect.SortedSetMultimap)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>updateRelInMap</h4> |
| <pre class="methodSignature">public void updateRelInMap​(com.google.common.collect.SortedSetMultimap<<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>> mapRefRelToCorVar)</pre> |
| </li> |
| </ul> |
| <a id="updateRelInMap(java.util.SortedMap)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>updateRelInMap</h4> |
| <pre class="methodSignature">public void updateRelInMap​(java.util.SortedMap<<a href="../rel/core/CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>,​<a href="../rel/logical/LogicalCorrelate.html" title="class in org.apache.calcite.rel.logical">LogicalCorrelate</a>> mapCorVarToCorRel)</pre> |
| </li> |
| </ul> |
| <a id="rewrite(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rewrite</h4> |
| <pre class="methodSignature">public <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rewrite​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> root)</pre> |
| </li> |
| </ul> |
| <a id="restructureFields(org.apache.calcite.rel.type.RelDataType)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>restructureFields</h4> |
| <pre class="methodSignature">private java.util.List<<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> restructureFields​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> structuredType)</pre> |
| <div class="block">When called with old root rowType it's known that flattened root (which may become input) |
| returns flat fields, so it simply refers flat fields by increasing index and collects them |
| back into struct constructor expressions if necessary.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>structuredType</code> - old root rowType or it's nested struct</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of rex nodes, some of them may collect flattened struct's fields back |
| into original structure to return correct type for client</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="restructure(org.apache.calcite.rel.type.RelDataType)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>restructure</h4> |
| <pre class="methodSignature">private <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> restructure​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> structuredType)</pre> |
| </li> |
| </ul> |
| <a id="setNewForOldRel(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setNewForOldRel</h4> |
| <pre class="methodSignature">protected void setNewForOldRel​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel, |
| <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> newRel)</pre> |
| </li> |
| </ul> |
| <a id="getNewForOldRel(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewForOldRel</h4> |
| <pre class="methodSignature">protected <a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> getNewForOldRel​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel)</pre> |
| </li> |
| </ul> |
| <a id="getNewForOldInput(int)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewForOldInput</h4> |
| <pre class="methodSignature">protected int getNewForOldInput​(int oldOrdinal)</pre> |
| <div class="block">Maps the ordinal of a field pre-flattening to the ordinal of the |
| corresponding field post-flattening.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>oldOrdinal</code> - Pre-flattening ordinal</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Post-flattening ordinal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getNewFieldForOldInput(int,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewFieldForOldInput</h4> |
| <pre class="methodSignature">private <a href="../linq4j/Ord.html" title="class in org.apache.calcite.linq4j">Ord</a><<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> getNewFieldForOldInput​(int oldOrdinal, |
| int innerOrdinal)</pre> |
| <div class="block">Finds type and new ordinal relative to new inputs by oldOrdinal and |
| innerOrdinal indexes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>oldOrdinal</code> - ordinal of the field relative to old inputs</dd> |
| <dd><code>innerOrdinal</code> - when oldOrdinal points to struct and target field |
| is inner field of struct, this argument should contain |
| calculated field's ordinal within struct after flattening. |
| Otherwise when oldOrdinal points to primitive field, this |
| argument should be zero.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>flat type with new ordinal relative to new inputs</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getNewInputFieldByNewOrdinal(int)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewInputFieldByNewOrdinal</h4> |
| <pre class="methodSignature">private <a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a> getNewInputFieldByNewOrdinal​(int newOrdinal)</pre> |
| </li> |
| </ul> |
| <a id="getNewFieldForOldInput(int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewFieldForOldInput</h4> |
| <pre class="methodSignature">protected <a href="../linq4j/Ord.html" title="class in org.apache.calcite.linq4j">Ord</a><<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> getNewFieldForOldInput​(int oldOrdinal)</pre> |
| <div class="block">Maps the ordinal of a field pre-flattening to the ordinal of the |
| corresponding field post-flattening, and also returns its type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>oldOrdinal</code> - Pre-flattening ordinal</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Post-flattening ordinal and type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getNewForOldInputMapping(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNewForOldInputMapping</h4> |
| <pre class="methodSignature">private <a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a> getNewForOldInputMapping​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> oldRel)</pre> |
| <div class="block">Returns a mapping between old and new fields.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>oldRel</code> - Old relational expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Mapping between fields of old and new</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getPostFlatteningOrdinal(org.apache.calcite.rel.type.RelDataType,int)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getPostFlatteningOrdinal</h4> |
| <pre class="methodSignature">private int getPostFlatteningOrdinal​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> preFlattenRowType, |
| int preFlattenOrdinal)</pre> |
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| </ul> |
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| </a> |
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| <h4>postFlattenSize</h4> |
| <pre class="methodSignature">private int postFlattenSize​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalTableModify.html" title="class in org.apache.calcite.rel.logical">LogicalTableModify</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/core/Sort.html" title="class in org.apache.calcite.rel.core">Sort</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalFilter.html" title="class in org.apache.calcite.rel.logical">LogicalFilter</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalJoin.html" title="class in org.apache.calcite.rel.logical">LogicalJoin</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalCorrelate.html" title="class in org.apache.calcite.rel.logical">LogicalCorrelate</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/core/Collect.html" title="class in org.apache.calcite.rel.core">Collect</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/core/Uncollect.html" title="class in org.apache.calcite.rel.core">Uncollect</a> rel)</pre> |
| </li> |
| </ul> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalIntersect.html" title="class in org.apache.calcite.rel.logical">LogicalIntersect</a> rel)</pre> |
| </li> |
| </ul> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalMinus.html" title="class in org.apache.calcite.rel.logical">LogicalMinus</a> rel)</pre> |
| </li> |
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| <a id="rewriteRel(org.apache.calcite.rel.logical.LogicalUnion)"> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalUnion.html" title="class in org.apache.calcite.rel.logical">LogicalUnion</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalValues.html" title="class in org.apache.calcite.rel.logical">LogicalValues</a> rel)</pre> |
| </li> |
| </ul> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalTableFunctionScan.html" title="class in org.apache.calcite.rel.logical">LogicalTableFunctionScan</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/core/Sample.html" title="class in org.apache.calcite.rel.core">Sample</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalProject.html" title="class in org.apache.calcite.rel.logical">LogicalProject</a> rel)</pre> |
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| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalCalc.html" title="class in org.apache.calcite.rel.logical">LogicalCalc</a> rel)</pre> |
| </li> |
| </ul> |
| <a id="rewriteRel(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.SelfFlatteningRel)"> |
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| <li class="blockList"> |
| <h4>rewriteRel</h4> |
| <pre class="methodSignature">public void rewriteRel​(<a href="RelStructuredTypeFlattener.SelfFlatteningRel.html" title="interface in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.SelfFlatteningRel</a> rel)</pre> |
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| <h4>rewriteGeneric</h4> |
| <pre class="methodSignature">public void rewriteGeneric​(<a href="../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</pre> |
| </li> |
| </ul> |
| <a id="flattenProjections(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle,java.util.List,java.util.List,java.lang.String,java.util.List)"> |
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| <pre class="methodSignature">private void flattenProjections​(<a href="RelStructuredTypeFlattener.RewriteRexShuttle.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRexShuttle</a> shuttle, |
| java.util.List<? extends <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exps, |
| java.util.List<java.lang.String> fieldNames, |
| java.lang.String prefix, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</pre> |
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| <pre class="methodSignature">private java.lang.String extractName​(java.util.List<java.lang.String> fieldNames, |
| java.lang.String prefix, |
| int i)</pre> |
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| <a id="flattenProjection(org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle,org.apache.calcite.rex.RexNode,java.lang.String,java.util.List)"> |
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| <pre class="methodSignature">private void flattenProjection​(<a href="RelStructuredTypeFlattener.RewriteRexShuttle.html" title="class in org.apache.calcite.sql2rel">RelStructuredTypeFlattener.RewriteRexShuttle</a> shuttle, |
| <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> exp, |
| java.lang.String fieldName, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</pre> |
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| <h4>flattenResultTypeOfRexCall</h4> |
| <pre class="methodSignature">private void flattenResultTypeOfRexCall​(<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> newExp, |
| java.lang.String fieldName, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</pre> |
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| <pre class="methodSignature">private void flattenNullLiteral​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExps)</pre> |
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| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/core/TableScan.html" title="class in org.apache.calcite.rel.core">TableScan</a> rel)</pre> |
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| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalSnapshot.html" title="class in org.apache.calcite.rel.logical">LogicalSnapshot</a> rel)</pre> |
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| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/stream/LogicalDelta.html" title="class in org.apache.calcite.rel.stream">LogicalDelta</a> rel)</pre> |
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| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/stream/LogicalChi.html" title="class in org.apache.calcite.rel.stream">LogicalChi</a> rel)</pre> |
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| <pre class="methodSignature">public void rewriteRel​(<a href="../rel/logical/LogicalMatch.html" title="class in org.apache.calcite.rel.logical">LogicalMatch</a> rel)</pre> |
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| <a id="flattenInputs(java.util.List,org.apache.calcite.rex.RexNode,java.util.List)"> |
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| <pre class="methodSignature">private void flattenInputs​(java.util.List<<a href="../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>> fieldList, |
| <a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> prefix, |
| java.util.List<<a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,​java.lang.String>> flattenedExpList)</pre> |
| <div class="block">Generates expressions that reference the flattened input fields from |
| a given row type.</div> |
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| <h4>getNewInnerOrdinal</h4> |
| <pre class="methodSignature">private int getNewInnerOrdinal​(<a href="../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> firstOp, |
| java.lang.String literalString)</pre> |
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