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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.materialize</a></div> |
| <h1 title="Class Lattice" class="title">Class Lattice</h1> |
| </div> |
| <div class="contentContainer"> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.materialize.Lattice</div> |
| </div> |
| <section class="description"> |
| <hr> |
| <pre><a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/ParametersAreNonnullByDefault.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@ParametersAreNonnullByDefault</a> |
| public class <span class="typeNameLabel">Lattice</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre> |
| <div class="block">Structure that allows materialized views based upon a star schema to be |
| recognized and recommended.</div> |
| </section> |
| <section class="summary"> |
| <ul class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| <section class="nestedClassSummary"><a id="nested.class.summary"> |
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| <h2>Nested Class Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.BaseColumn.html" title="class in org.apache.calcite.materialize">Lattice.BaseColumn</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Column in a lattice.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.Builder.html" title="class in org.apache.calcite.materialize">Lattice.Builder</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Lattice builder.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Column in a lattice.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.DerivedColumn.html" title="class in org.apache.calcite.materialize">Lattice.DerivedColumn</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Column in a lattice that is based upon a SQL expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">A measure within a <a href="Lattice.html" title="class in org.apache.calcite.materialize"><code>Lattice</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The information necessary to convert a column to SQL.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Materialized aggregate within a lattice.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Lattice.TileBuilder.html" title="class in org.apache.calcite.materialize">Lattice.TileBuilder</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Tile builder.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="fieldSummary"><a id="field.summary"> |
| <!-- --> |
| </a> |
| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#algorithm">algorithm</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#algorithmMaxMillis">algorithmMaxMillis</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#auto">auto</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableList<<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#columns">columns</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableListMultimap<<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang" class="externalLink">Boolean</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#columnUses">columnUses</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableList<<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#defaultMeasures">defaultMeasures</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="LatticeRootNode.html" title="class in org.apache.calcite.materialize">LatticeRootNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rootNode">rootNode</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rootSchema">rootSchema</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rowCountEstimate">rowCountEstimate</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="LatticeStatisticProvider.html" title="interface in org.apache.calcite.materialize">LatticeStatisticProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#statisticProvider">statisticProvider</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableList<<a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tiles">tiles</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li class="blockList"> |
| <section class="methodSummary"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t1" class="tableTab" onclick="show(1);">Static Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t2" class="tableTab" onclick="show(2);">Instance Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>static <a href="Lattice.Builder.html" title="class in org.apache.calcite.materialize">Lattice.Builder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#builder(org.apache.calcite.jdbc.CalciteSchema,java.lang.String)">builder</a></span>​(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a> calciteSchema, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> sql)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><? extends <a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#computeTiles()">computeTiles</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#countSql(org.apache.calcite.util.ImmutableBitSet)">countSql</a></span>​(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a SQL query that counts the number of distinct values of the |
| attributes given in <code>groupSet</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static <a href="Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(org.apache.calcite.jdbc.CalciteSchema,java.lang.String,boolean)">create</a></span>​(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a> schema, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> sql, |
| boolean auto)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a Lattice.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code><a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSqlWriter(org.apache.calcite.sql.SqlDialect,java.lang.StringBuilder,java.util.function.IntFunction)">createSqlWriter</a></span>​(<a href="../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a> dialect, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> buf, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/function/IntFunction.html?is-external=true" title="class or interface in java.util.function" class="externalLink">IntFunction</a><<a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>> field)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a context to which SQL can be generated.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <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="#createStarTable()">createStarTable</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#firstColumn(java.lang.String)">firstColumn</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> tableAlias)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the ordinal, within all of the columns in this Lattice, of the |
| first column in the table with a given alias.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFactRowCount()">getFactRowCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an estimate of the number of rows in the un-aggregated star.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code>static double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRowCount(double,double...)">getRowCount</a></span>​(double factCount, |
| double... columnCounts)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i9"> |
| <td class="colFirst"><code>static double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRowCount(double,java.util.List)">getRowCount</a></span>​(double factCount, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang" class="externalLink">Double</a>> columnCounts)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i10"> |
| <td class="colFirst"><code>double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRowCount(java.util.List)">getRowCount</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>> columns)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i11"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAlwaysMeasure(org.apache.calcite.materialize.Lattice.Column)">isAlwaysMeasure</a></span>​(<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a> column)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether every use of a column is as an argument to a measure.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i12"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sql(org.apache.calcite.util.ImmutableBitSet,boolean,java.util.List)">sql</a></span>​(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| boolean group, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>> aggCallList)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates a SQL query to populate a tile of the lattice specified by a |
| given set of columns and measures, optionally grouping.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i13"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sql(org.apache.calcite.util.ImmutableBitSet,java.util.List)">sql</a></span>​(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>> aggCallList)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates a SQL query to populate a tile of the lattice specified by a |
| given set of columns and measures.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i14"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a><<a href="LatticeTable.html" title="class in org.apache.calcite.materialize">LatticeTable</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tables()">tables</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the set of tables in this lattice.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i15"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toMeasures(java.util.List)">toMeasures</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> aggCallList)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i16"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i17"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#uniqueColumnNames()">uniqueColumnNames</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <section class="fieldDetails"><a id="field.detail"> |
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| </a> |
| <h2>Field Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="rootSchema">rootSchema</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType"><a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a></span> <span class="memberName">rootSchema</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="rootNode">rootNode</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType"><a href="LatticeRootNode.html" title="class in org.apache.calcite.materialize">LatticeRootNode</a></span> <span class="memberName">rootNode</span></div> |
| </section> |
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| <h3><a id="columns">columns</a></h3> |
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| </section> |
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| <h3><a id="auto">auto</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">boolean</span> <span class="memberName">auto</span></div> |
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| <section class="detail"> |
| <h3><a id="algorithm">algorithm</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">boolean</span> <span class="memberName">algorithm</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="algorithmMaxMillis">algorithmMaxMillis</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">long</span> <span class="memberName">algorithmMaxMillis</span></div> |
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| <section class="detail"> |
| <h3><a id="rowCountEstimate">rowCountEstimate</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">double</span> <span class="memberName">rowCountEstimate</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="defaultMeasures">defaultMeasures</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">com.google.common.collect.ImmutableList<<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>></span> <span class="memberName">defaultMeasures</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="tiles">tiles</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">com.google.common.collect.ImmutableList<<a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>></span> <span class="memberName">tiles</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="columnUses">columnUses</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType">com.google.common.collect.ImmutableListMultimap<<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang" class="externalLink">Boolean</a>></span> <span class="memberName">columnUses</span></div> |
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| <section class="detail"> |
| <h3><a id="statisticProvider">statisticProvider</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType"><a href="LatticeStatisticProvider.html" title="interface in org.apache.calcite.materialize">LatticeStatisticProvider</a></span> <span class="memberName">statisticProvider</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h2>Method Details</h2> |
| <ul class="blockList"> |
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| <section class="detail"> |
| <h3><a id="create(org.apache.calcite.jdbc.CalciteSchema,java.lang.String,boolean)">create</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></span> <span class="memberName">create</span>​(<span class="arguments"><a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a> schema, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> sql, |
| boolean auto)</span></div> |
| <div class="block">Creates a Lattice.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toString()">toString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">toString</span>()</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
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| <section class="detail"> |
| <h3><a id="sql(org.apache.calcite.util.ImmutableBitSet,java.util.List)">sql</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">sql</span>​(<span class="arguments"><a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>> aggCallList)</span></div> |
| <div class="block">Generates a SQL query to populate a tile of the lattice specified by a |
| given set of columns and measures.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="sql(org.apache.calcite.util.ImmutableBitSet,boolean,java.util.List)">sql</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">sql</span>​(<span class="arguments"><a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| boolean group, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>> aggCallList)</span></div> |
| <div class="block">Generates a SQL query to populate a tile of the lattice specified by a |
| given set of columns and measures, optionally grouping.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="createSqlWriter(org.apache.calcite.sql.SqlDialect,java.lang.StringBuilder,java.util.function.IntFunction)">createSqlWriter</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></span> <span class="memberName">createSqlWriter</span>​(<span class="arguments"><a href="../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a> dialect, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> buf, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/function/IntFunction.html?is-external=true" title="class or interface in java.util.function" class="externalLink">IntFunction</a><<a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>> field)</span></div> |
| <div class="block">Creates a context to which SQL can be generated.</div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="countSql(org.apache.calcite.util.ImmutableBitSet)">countSql</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">countSql</span>​(<span class="arguments"><a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet)</span></div> |
| <div class="block">Returns a SQL query that counts the number of distinct values of the |
| attributes given in <code>groupSet</code>.</div> |
| </section> |
| </li> |
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| <section class="detail"> |
| <h3><a id="createStarTable()">createStarTable</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></span> <span class="memberName">createStarTable</span>()</div> |
| </section> |
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| <h3><a id="builder(org.apache.calcite.jdbc.CalciteSchema,java.lang.String)">builder</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="Lattice.Builder.html" title="class in org.apache.calcite.materialize">Lattice.Builder</a></span> <span class="memberName">builder</span>​(<span class="arguments"><a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a> calciteSchema, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> sql)</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="toMeasures(java.util.List)">toMeasures</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>></span> <span class="memberName">toMeasures</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> aggCallList)</span></div> |
| </section> |
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| <h3><a id="computeTiles()">computeTiles</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><? extends <a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>></span> <span class="memberName">computeTiles</span>()</div> |
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| <h3><a id="getFactRowCount()">getFactRowCount</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">double</span> <span class="memberName">getFactRowCount</span>()</div> |
| <div class="block">Returns an estimate of the number of rows in the un-aggregated star.</div> |
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| <h3><a id="getRowCount(java.util.List)">getRowCount</a></h3> |
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| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
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| <section class="detail"> |
| <h3><a id="getRowCount(double,double...)">getRowCount</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">double</span> <span class="memberName">getRowCount</span>​(<span class="arguments">double factCount, |
| double... columnCounts)</span></div> |
| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
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| <h3><a id="getRowCount(double,java.util.List)">getRowCount</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">double</span> <span class="memberName">getRowCount</span>​(<span class="arguments">double factCount, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang" class="externalLink">Double</a>> columnCounts)</span></div> |
| <div class="block">Returns an estimate of the number of rows in the tile with the given |
| dimensions.</div> |
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| <h3><a id="uniqueColumnNames()">uniqueColumnNames</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></span> <span class="memberName">uniqueColumnNames</span>()</div> |
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| <h3><a id="tables()">tables</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a><<a href="LatticeTable.html" title="class in org.apache.calcite.materialize">LatticeTable</a>></span> <span class="memberName">tables</span>()</div> |
| <div class="block">Returns the set of tables in this lattice.</div> |
| </section> |
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| <h3><a id="firstColumn(java.lang.String)">firstColumn</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">firstColumn</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> tableAlias)</span></div> |
| <div class="block">Returns the ordinal, within all of the columns in this Lattice, of the |
| first column in the table with a given alias. |
| Returns -1 if the table is not found.</div> |
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| <h3><a id="isAlwaysMeasure(org.apache.calcite.materialize.Lattice.Column)">isAlwaysMeasure</a></h3> |
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| <div class="block">Returns whether every use of a column is as an argument to a measure. |
| |
| <p>For example, in the query |
| <code>select sum(x + y), sum(a + b) from t group by x + y</code> |
| the expression "x + y" is used once as an argument to a measure, |
| and once as a dimension. |
| |
| <p>Therefore, in a lattice created from that one query, |
| <code>isAlwaysMeasure</code> for the derived column corresponding to "x + y" |
| returns false, and for "a + b" returns true.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>column</code> - Column or derived column</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether all uses are as arguments to aggregate functions</dd> |
| </dl> |
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