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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.schema.impl</a></div> |
| <h2 title="Class StarTable" class="title">Class StarTable</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">org.apache.calcite.schema.impl.AbstractTable</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.schema.impl.StarTable</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code>, <code><a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></code>, <code><a href="../Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">StarTable</span> |
| extends <a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a> |
| implements <a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></pre> |
| <div class="block">Virtual table that is composed of two or more tables joined together. |
| |
| <p>Star tables do not occur in end-user queries. They are introduced by the |
| optimizer to help matching queries to materializations, and used only |
| during the planning process.</p> |
| |
| <p>When a materialization is defined, if it involves a join, it is converted |
| to a query on top of a star table. Queries that are candidates to map onto |
| the materialization are mapped onto the same star table.</p></div> |
| </li> |
| </ul> |
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| <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>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="StarTable.StarTableScan.html" title="class in org.apache.calcite.schema.impl">StarTable.StarTableScan</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Relational expression that scans a <a href="StarTable.html" title="class in org.apache.calcite.schema.impl"><code>StarTable</code></a>.</div> |
| </td> |
| </tr> |
| </table> |
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| <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><a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fieldCounts">fieldCounts</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Number of fields in each table's row type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lattice">lattice</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tables">tables</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.materialize.Lattice,com.google.common.collect.ImmutableList)">StarTable</a></span>​(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a StarTable.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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><a href="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="#add(org.apache.calcite.schema.Table)">add</a></span>​(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#columnOffset(org.apache.calcite.schema.Table)">columnOffset</a></span>​(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the column offset of the first column of <code>table</code> in this |
| star table's output row type.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../Schema.TableType.html" title="enum in org.apache.calcite.schema">Schema.TableType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getJdbcTableType()">getJdbcTableType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Type of table.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><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="#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">getRowType</a></span>​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns this table's row type.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="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="#of(org.apache.calcite.materialize.Lattice,java.util.List)">of</a></span>​(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| java.util.List<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a StarTable and registers it in a schema.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)">toRel</a></span>​(<a href="../../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> context, |
| <a href="../../plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> table)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts this table into a <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>relational expression</code></a>.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.schema.impl.AbstractTable"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.calcite.schema.impl.<a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a></h3> |
| <code><a href="AbstractTable.html#getStatistic()">getStatistic</a>, <a href="AbstractTable.html#isRolledUp(java.lang.String)">isRolledUp</a>, <a href="AbstractTable.html#rolledUpColumnValidInsideAgg(java.lang.String,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.config.CalciteConnectionConfig)">rolledUpColumnValidInsideAgg</a>, <a href="AbstractTable.html#unwrap(java.lang.Class)">unwrap</a></code></li> |
| </ul> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.schema.Table"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface org.apache.calcite.schema.<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></h3> |
| <code><a href="../Table.html#getStatistic()">getStatistic</a>, <a href="../Table.html#isRolledUp(java.lang.String)">isRolledUp</a>, <a href="../Table.html#rolledUpColumnValidInsideAgg(java.lang.String,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.config.CalciteConnectionConfig)">rolledUpColumnValidInsideAgg</a></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="lattice"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>lattice</h4> |
| <pre>public final <a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice</pre> |
| </li> |
| </ul> |
| <a id="tables"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>tables</h4> |
| <pre>public final com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables</pre> |
| </li> |
| </ul> |
| <a id="fieldCounts"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>fieldCounts</h4> |
| <pre>public <a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> fieldCounts</pre> |
| <div class="block">Number of fields in each table's row type.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| <li class="blockList"><a id="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.materialize.Lattice,com.google.common.collect.ImmutableList)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>StarTable</h4> |
| <pre>private StarTable​(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</pre> |
| <div class="block">Creates a StarTable.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
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| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="of(org.apache.calcite.materialize.Lattice,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>of</h4> |
| <pre class="methodSignature">public static <a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a> of​(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| java.util.List<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</pre> |
| <div class="block">Creates a StarTable and registers it in a schema.</div> |
| </li> |
| </ul> |
| <a id="getJdbcTableType()"> |
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| </a> |
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| <h4>getJdbcTableType</h4> |
| <pre class="methodSignature">public <a href="../Schema.TableType.html" title="enum in org.apache.calcite.schema">Schema.TableType</a> getJdbcTableType()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../Table.html#getJdbcTableType()">Table</a></code></span></div> |
| <div class="block">Type of table.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../Table.html#getJdbcTableType()">getJdbcTableType</a></code> in interface <code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="AbstractTable.html#getJdbcTableType()">getJdbcTableType</a></code> in class <code><a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)"> |
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| </a> |
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| <h4>getRowType</h4> |
| <pre class="methodSignature">public <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getRowType​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../Table.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">Table</a></code></span></div> |
| <div class="block">Returns this table's row type. |
| |
| <p>This is a struct type whose |
| fields describe the names and types of the columns in this table.</p> |
| |
| <p>The implementer must use the type factory provided. This ensures that |
| the type is converted into a canonical form; other equal types in the same |
| query will use the same object.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../Table.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">getRowType</a></code> in interface <code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - Type factory with which to create the type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Row type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>toRel</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> toRel​(<a href="../../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> context, |
| <a href="../../plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> table)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../TranslatableTable.html#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)">TranslatableTable</a></code></span></div> |
| <div class="block">Converts this table into a <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>relational expression</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../TranslatableTable.html#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)">toRel</a></code> in interface <code><a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></code></dd> |
| </dl> |
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| <a id="add(org.apache.calcite.schema.Table)"> |
| <!-- --> |
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| <h4>add</h4> |
| <pre class="methodSignature">public <a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a> add​(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</pre> |
| </li> |
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| <a id="columnOffset(org.apache.calcite.schema.Table)"> |
| <!-- --> |
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| <h4>columnOffset</h4> |
| <pre class="methodSignature">public int columnOffset​(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</pre> |
| <div class="block">Returns the column offset of the first column of <code>table</code> in this |
| star table's output row type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Table</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Column offset</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if table is not in this star</dd> |
| </dl> |
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