javadocAggregate/org/apache/calcite/materialize/Lattice.html - calcite-site - Git at Google

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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.materialize</a></div>
 <h1 title="Class Lattice" class="title">Class Lattice</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">org.apache.calcite.materialize.Lattice</div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">Lattice</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <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="summary-list">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li>
 <section class="nested-class-summary" id="nested-class-summary">
 <h2>Nested Class Summary</h2>
 <div class="caption"><span>Nested Classes</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="Lattice.BaseColumn.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.BaseColumn</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Column in a lattice.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="Lattice.Builder.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.Builder</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Lattice builder.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="Lattice.Column.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.Column</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Column in a lattice.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="Lattice.DerivedColumn.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.DerivedColumn</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Column in a lattice that is based upon a SQL expression.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="Lattice.Measure.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.Measure</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">A measure within a <a href="Lattice.html" title="class in org.apache.calcite.materialize"><code>Lattice</code></a>.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="Lattice.SqlWriter.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">The information necessary to convert a column to SQL.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="Lattice.Tile.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.Tile</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Materialized aggregate within a lattice.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="Lattice.TileBuilder.html" class="type-name-link" title="class in org.apache.calcite.materialize">Lattice.TileBuilder</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Tile builder.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>final boolean</code></div>
 <div class="col-second even-row-color"><code><a href="#algorithm" class="member-name-link">algorithm</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>final long</code></div>
 <div class="col-second odd-row-color"><code><a href="#algorithmMaxMillis" class="member-name-link">algorithmMaxMillis</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>final boolean</code></div>
 <div class="col-second even-row-color"><code><a href="#auto" class="member-name-link">auto</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>final com.google.common.collect.ImmutableList&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;</code></div>
 <div class="col-second odd-row-color"><code><a href="#columns" class="member-name-link">columns</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>final com.google.common.collect.ImmutableListMultimap&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Boolean.html" title="class or interface in java.lang" class="external-link">Boolean</a>&gt;</code></div>
 <div class="col-second even-row-color"><code><a href="#columnUses" class="member-name-link">columnUses</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>final com.google.common.collect.ImmutableList&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;</code></div>
 <div class="col-second odd-row-color"><code><a href="#defaultMeasures" class="member-name-link">defaultMeasures</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>final <a href="LatticeRootNode.html" title="class in org.apache.calcite.materialize">LatticeRootNode</a></code></div>
 <div class="col-second even-row-color"><code><a href="#rootNode" class="member-name-link">rootNode</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>final <a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#rootSchema" class="member-name-link">rootSchema</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>final double</code></div>
 <div class="col-second even-row-color"><code><a href="#rowCountEstimate" class="member-name-link">rowCountEstimate</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>final <a href="LatticeStatisticProvider.html" title="interface in org.apache.calcite.materialize">LatticeStatisticProvider</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#statisticProvider" class="member-name-link">statisticProvider</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>final com.google.common.collect.ImmutableList&lt;<a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>&gt;</code></div>
 <div class="col-second even-row-color"><code><a href="#tiles" class="member-name-link">tiles</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="Lattice.Builder.html" title="class in org.apache.calcite.materialize">Lattice.Builder</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#builder(org.apache.calcite.jdbc.CalciteSchema,java.lang.String)" class="member-name-link">builder</a><wbr>(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a>&nbsp;calciteSchema,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;sql)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Iterable.html" title="class or interface in java.lang" class="external-link">Iterable</a>&lt;? extends <a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#computeTiles()" class="member-name-link">computeTiles</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#countSql(org.apache.calcite.util.ImmutableBitSet)" class="member-name-link">countSql</a><wbr>(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupSet)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns a SQL query that counts the number of distinct values of the
  attributes given in <code>groupSet</code>.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(org.apache.calcite.jdbc.CalciteSchema,java.lang.String,boolean)" class="member-name-link">create</a><wbr>(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a>&nbsp;schema,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;sql,
  boolean&nbsp;auto)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Creates a Lattice.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createSqlWriter(org.apache.calcite.sql.SqlDialect,java.lang.StringBuilder,java.util.function.IntFunction)" class="member-name-link">createSqlWriter</a><wbr>(<a href="../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a>&nbsp;dialect,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/StringBuilder.html" title="class or interface in java.lang" class="external-link">StringBuilder</a>&nbsp;buf,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/function/IntFunction.html" title="class or interface in java.util.function" class="external-link">IntFunction</a>&lt;<a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;field)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Creates a context to which SQL can be generated.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createStarTable()" class="member-name-link">createStarTable</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#firstColumn(java.lang.String)" class="member-name-link">firstColumn</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;tableAlias)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <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>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFactRowCount()" class="member-name-link">getFactRowCount</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns an estimate of the number of rows in the un-aggregated star.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getRowCount(double,double...)" class="member-name-link">getRowCount</a><wbr>(double&nbsp;factCount,
  double...&nbsp;columnCounts)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getRowCount(double,java.util.List)" class="member-name-link">getRowCount</a><wbr>(double&nbsp;factCount,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a>&gt;&nbsp;columnCounts)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRowCount(java.util.List)" class="member-name-link">getRowCount</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;&nbsp;columns)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isAlwaysMeasure(org.apache.calcite.materialize.Lattice.Column)" class="member-name-link">isAlwaysMeasure</a><wbr>(<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&nbsp;column)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns whether every use of a column is as an argument to a measure.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#sql(org.apache.calcite.util.ImmutableBitSet,boolean,java.util.List)" class="member-name-link">sql</a><wbr>(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupSet,
  boolean&nbsp;group,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;&nbsp;aggCallList)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <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>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#sql(org.apache.calcite.util.ImmutableBitSet,java.util.List)" class="member-name-link">sql</a><wbr>(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupSet,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;&nbsp;aggCallList)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Generates a SQL query to populate a tile of the lattice specified by a
  given set of columns and measures.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="LatticeTable.html" title="class in org.apache.calcite.materialize">LatticeTable</a>&gt;</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#tables()" class="member-name-link">tables</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the set of tables in this lattice.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toMeasures(java.util.List)" class="member-name-link">toMeasures</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>&gt;&nbsp;aggCallList)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#uniqueColumnNames()" class="member-name-link">uniqueColumnNames</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="rootSchema">
 <h3>rootSchema</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a></span>&nbsp;<span class="element-name">rootSchema</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="rootNode">
 <h3>rootNode</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="LatticeRootNode.html" title="class in org.apache.calcite.materialize">LatticeRootNode</a></span>&nbsp;<span class="element-name">rootNode</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="columns">
 <h3>columns</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableList&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;</span>&nbsp;<span class="element-name">columns</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="auto">
 <h3>auto</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">auto</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="algorithm">
 <h3>algorithm</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">algorithm</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="algorithmMaxMillis">
 <h3>algorithmMaxMillis</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">algorithmMaxMillis</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="rowCountEstimate">
 <h3>rowCountEstimate</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">rowCountEstimate</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="defaultMeasures">
 <h3>defaultMeasures</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableList&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;</span>&nbsp;<span class="element-name">defaultMeasures</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="tiles">
 <h3>tiles</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableList&lt;<a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>&gt;</span>&nbsp;<span class="element-name">tiles</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="columnUses">
 <h3>columnUses</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableListMultimap&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Boolean.html" title="class or interface in java.lang" class="external-link">Boolean</a>&gt;</span>&nbsp;<span class="element-name">columnUses</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="statisticProvider">
 <h3>statisticProvider</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="LatticeStatisticProvider.html" title="interface in org.apache.calcite.materialize">LatticeStatisticProvider</a></span>&nbsp;<span class="element-name">statisticProvider</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="create(org.apache.calcite.jdbc.CalciteSchema,java.lang.String,boolean)">
 <h3>create</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></span>&nbsp;<span class="element-name">create</span><wbr><span class="parameters">(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a>&nbsp;schema,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;sql,
  boolean&nbsp;auto)</span></div>
 <div class="block">Creates a Lattice.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="sql(org.apache.calcite.util.ImmutableBitSet,java.util.List)">
 <h3>sql</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">sql</span><wbr><span class="parameters">(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupSet,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;&nbsp;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>
 <section class="detail" id="sql(org.apache.calcite.util.ImmutableBitSet,boolean,java.util.List)">
 <h3>sql</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">sql</span><wbr><span class="parameters">(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupSet,
  boolean&nbsp;group,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;&nbsp;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>
 <section class="detail" id="createSqlWriter(org.apache.calcite.sql.SqlDialect,java.lang.StringBuilder,java.util.function.IntFunction)">
 <h3>createSqlWriter</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Lattice.SqlWriter.html" title="class in org.apache.calcite.materialize">Lattice.SqlWriter</a></span>&nbsp;<span class="element-name">createSqlWriter</span><wbr><span class="parameters">(<a href="../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a>&nbsp;dialect,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/StringBuilder.html" title="class or interface in java.lang" class="external-link">StringBuilder</a>&nbsp;buf,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/function/IntFunction.html" title="class or interface in java.util.function" class="external-link">IntFunction</a>&lt;<a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;field)</span></div>
 <div class="block">Creates a context to which SQL can be generated.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="countSql(org.apache.calcite.util.ImmutableBitSet)">
 <h3>countSql</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">countSql</span><wbr><span class="parameters">(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;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>
 <li>
 <section class="detail" id="createStarTable()">
 <h3>createStarTable</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../schema/impl/StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></span>&nbsp;<span class="element-name">createStarTable</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="builder(org.apache.calcite.jdbc.CalciteSchema,java.lang.String)">
 <h3>builder</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Lattice.Builder.html" title="class in org.apache.calcite.materialize">Lattice.Builder</a></span>&nbsp;<span class="element-name">builder</span><wbr><span class="parameters">(<a href="../jdbc/CalciteSchema.html" title="class in org.apache.calcite.jdbc">CalciteSchema</a>&nbsp;calciteSchema,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;sql)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="toMeasures(java.util.List)">
 <h3>toMeasures</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Measure.html" title="class in org.apache.calcite.materialize">Lattice.Measure</a>&gt;</span>&nbsp;<span class="element-name">toMeasures</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../rel/core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>&gt;&nbsp;aggCallList)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="computeTiles()">
 <h3>computeTiles</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Iterable.html" title="class or interface in java.lang" class="external-link">Iterable</a>&lt;? extends <a href="Lattice.Tile.html" title="class in org.apache.calcite.materialize">Lattice.Tile</a>&gt;</span>&nbsp;<span class="element-name">computeTiles</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getFactRowCount()">
 <h3>getFactRowCount</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getFactRowCount</span>()</div>
 <div class="block">Returns an estimate of the number of rows in the un-aggregated star.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getRowCount(java.util.List)">
 <h3>getRowCount</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getRowCount</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&gt;&nbsp;columns)</span></div>
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getRowCount(double,double...)">
 <h3>getRowCount</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getRowCount</span><wbr><span class="parameters">(double&nbsp;factCount,
  double...&nbsp;columnCounts)</span></div>
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getRowCount(double,java.util.List)">
 <h3>getRowCount</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getRowCount</span><wbr><span class="parameters">(double&nbsp;factCount,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a>&gt;&nbsp;columnCounts)</span></div>
 <div class="block">Returns an estimate of the number of rows in the tile with the given
  dimensions.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="uniqueColumnNames()">
 <h3>uniqueColumnNames</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">uniqueColumnNames</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="tables()">
 <h3>tables</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="LatticeTable.html" title="class in org.apache.calcite.materialize">LatticeTable</a>&gt;</span>&nbsp;<span class="element-name">tables</span>()</div>
 <div class="block">Returns the set of tables in this lattice.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="firstColumn(java.lang.String)">
 <h3>firstColumn</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">firstColumn</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;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>
 </section>
 </li>
 <li>
 <section class="detail" id="isAlwaysMeasure(org.apache.calcite.materialize.Lattice.Column)">
 <h3>isAlwaysMeasure</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isAlwaysMeasure</span><wbr><span class="parameters">(<a href="Lattice.Column.html" title="class in org.apache.calcite.materialize">Lattice.Column</a>&nbsp;column)</span></div>
 <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 class="notes">
 <dt>Parameters:</dt>
 <dd><code>column</code> - Column or derived column</dd>
 <dt>Returns:</dt>
 <dd>Whether all uses are as arguments to aggregate functions</dd>
 </dl>
 </section>
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