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| <h2 title="Class PigRelBuilder" class="title">Class PigRelBuilder</h2> |
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| <li><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">org.apache.calcite.tools.RelBuilder</a></li> |
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| <li>org.apache.calcite.tools.PigRelBuilder</li> |
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| <pre>public class <span class="typeNameLabel">PigRelBuilder</span> |
| extends <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></pre> |
| <div class="block">Extension to <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools"><code>RelBuilder</code></a> for Pig relational operators.</div> |
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| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.GroupOption.html" title="enum in org.apache.calcite.tools">PigRelBuilder.GroupOption</a></span></code> |
| <div class="block">Option for performing group efficiently if data set is already sorted</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Nested classes/interfaces inherited from class org.apache.calcite.tools.<a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></h3> |
| <code><a href="../../../../org/apache/calcite/tools/RelBuilder.AggCall.html" title="interface in org.apache.calcite.tools">RelBuilder.AggCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.Config.html" title="interface in org.apache.calcite.tools">RelBuilder.Config</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.ConfigBuilder.html" title="class in org.apache.calcite.tools">RelBuilder.ConfigBuilder</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKey.html" title="interface in org.apache.calcite.tools">RelBuilder.GroupKey</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKeyImpl.html" title="class in org.apache.calcite.tools">RelBuilder.GroupKeyImpl</a></code></li> |
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| <h3>Fields inherited from class org.apache.calcite.tools.<a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></h3> |
| <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#cluster">cluster</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#relOptSchema">relOptSchema</a></code></li> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#PigRelBuilder-org.apache.calcite.plan.Context-org.apache.calcite.plan.RelOptCluster-org.apache.calcite.plan.RelOptSchema-">PigRelBuilder</a></span>(<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a> context, |
| <a href="../../../../org/apache/calcite/plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="interface in org.apache.calcite.plan">RelOptSchema</a> relOptSchema)</code> </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#as-java.lang.String-">as</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> alias)</code> |
| <div class="block">As super-class method, but also retains alias for naming of aggregates.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#create-org.apache.calcite.tools.FrameworkConfig-">create</a></span>(<a href="../../../../org/apache/calcite/tools/FrameworkConfig.html" title="interface in org.apache.calcite.tools">FrameworkConfig</a> config)</code> |
| <div class="block">Creates a PigRelBuilder.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#distinct-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-">distinct</a></span>(org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel)</code> |
| <div class="block">Removes duplicate tuples in a relation.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#getAlias--">getAlias</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#group-org.apache.calcite.tools.PigRelBuilder.GroupOption-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-java.lang.Iterable-">group</a></span>(<a href="../../../../org/apache/calcite/tools/PigRelBuilder.GroupOption.html" title="enum in org.apache.calcite.tools">PigRelBuilder.GroupOption</a> option, |
| org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><? extends <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKey.html" title="interface in org.apache.calcite.tools">RelBuilder.GroupKey</a>> groupKeys)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#group-org.apache.calcite.tools.PigRelBuilder.GroupOption-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-org.apache.calcite.tools.RelBuilder.GroupKey...-">group</a></span>(<a href="../../../../org/apache/calcite/tools/PigRelBuilder.GroupOption.html" title="enum in org.apache.calcite.tools">PigRelBuilder.GroupOption</a> option, |
| org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel, |
| <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKey.html" title="interface in org.apache.calcite.tools">RelBuilder.GroupKey</a>... groupKeys)</code> |
| <div class="block">Groups the data in one or more relations.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#load-java.lang.String-org.apache.calcite.rex.RexNode-org.apache.calcite.rel.type.RelDataType-">load</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> loadFunction, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</code> |
| <div class="block">Loads a data set.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#scan-java.lang.Iterable-">scan</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> tableNames)</code> |
| <div class="block">Creates a <a href="../../../../org/apache/calcite/rel/core/TableScan.html" title="class in org.apache.calcite.rel.core"><code>TableScan</code></a> of the table |
| with a given name.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#scan-java.lang.String...-">scan</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... tableNames)</code> |
| <div class="block">Creates a <a href="../../../../org/apache/calcite/rel/core/TableScan.html" title="class in org.apache.calcite.rel.core"><code>TableScan</code></a> of the table |
| with a given name.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/tools/PigRelBuilder.html#validateGroupList-java.util.List-">validateGroupList</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKeyImpl.html" title="class in org.apache.calcite.tools">RelBuilder.GroupKeyImpl</a>> groupKeyList)</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.calcite.tools.RelBuilder"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.calcite.tools.<a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></h3> |
| <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#adoptConvention-org.apache.calcite.plan.Convention-">adoptConvention</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregate-org.apache.calcite.tools.RelBuilder.GroupKey-java.lang.Iterable-">aggregate</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregate-org.apache.calcite.tools.RelBuilder.GroupKey-java.util.List-">aggregate</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregate-org.apache.calcite.tools.RelBuilder.GroupKey-org.apache.calcite.tools.RelBuilder.AggCall...-">aggregate</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-boolean-boolean-boolean-org.apache.calcite.rex.RexNode-com.google.common.collect.ImmutableList-java.lang.String-com.google.common.collect.ImmutableList-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-boolean-boolean-org.apache.calcite.rex.RexNode-java.lang.String-java.lang.Iterable-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-boolean-boolean-org.apache.calcite.rex.RexNode-java.lang.String-org.apache.calcite.rex.RexNode...-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-boolean-org.apache.calcite.rex.RexNode-java.lang.String-java.lang.Iterable-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-boolean-org.apache.calcite.rex.RexNode-java.lang.String-org.apache.calcite.rex.RexNode...-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-java.lang.Iterable-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#aggregateCall-org.apache.calcite.sql.SqlAggFunction-org.apache.calcite.rex.RexNode...-">aggregateCall</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#alias-org.apache.calcite.rex.RexNode-java.lang.String-">alias</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#and-java.lang.Iterable-">and</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#and-org.apache.calcite.rex.RexNode...-">and</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#antiJoin-java.lang.Iterable-">antiJoin</a>, <a href="../../../../org/apache/calcite/tools/RelBuilder.html#antiJoin-org.apache.calcite.rex.RexNode...-">antiJoin</a>, <a 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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="PigRelBuilder-org.apache.calcite.plan.Context-org.apache.calcite.plan.RelOptCluster-org.apache.calcite.plan.RelOptSchema-"> |
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| <h4>PigRelBuilder</h4> |
| <pre>protected PigRelBuilder(<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a> context, |
| <a href="../../../../org/apache/calcite/plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="interface in org.apache.calcite.plan">RelOptSchema</a> relOptSchema)</pre> |
| </li> |
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| <h3>Method Detail</h3> |
| <a name="create-org.apache.calcite.tools.FrameworkConfig-"> |
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| <h4>create</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> create(<a href="../../../../org/apache/calcite/tools/FrameworkConfig.html" title="interface in org.apache.calcite.tools">FrameworkConfig</a> config)</pre> |
| <div class="block">Creates a PigRelBuilder.</div> |
| </li> |
| </ul> |
| <a name="scan-java.lang.String...-"> |
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| <h4>scan</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> scan(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... tableNames)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#scan-java.lang.String...-">RelBuilder</a></code></span></div> |
| <div class="block">Creates a <a href="../../../../org/apache/calcite/rel/core/TableScan.html" title="class in org.apache.calcite.rel.core"><code>TableScan</code></a> of the table |
| with a given name. |
| |
| <p>Throws if the table does not exist. |
| |
| <p>Returns this builder.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#scan-java.lang.String...-">scan</a></code> in class <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tableNames</code> - Name of table (can optionally be qualified)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="scan-java.lang.Iterable-"> |
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| </a> |
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| <h4>scan</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> scan(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> tableNames)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#scan-java.lang.Iterable-">RelBuilder</a></code></span></div> |
| <div class="block">Creates a <a href="../../../../org/apache/calcite/rel/core/TableScan.html" title="class in org.apache.calcite.rel.core"><code>TableScan</code></a> of the table |
| with a given name. |
| |
| <p>Throws if the table does not exist. |
| |
| <p>Returns this builder.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#scan-java.lang.Iterable-">scan</a></code> in class <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tableNames</code> - Name of table (can optionally be qualified)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="load-java.lang.String-org.apache.calcite.rex.RexNode-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>load</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> load(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, |
| <a href="../../../../org/apache/calcite/rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> loadFunction, |
| <a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</pre> |
| <div class="block">Loads a data set. |
| |
| <p>Equivalent to Pig Latin: |
| <pre><code> LOAD 'path' USING loadFunction AS rowType</code></pre> |
| |
| <p><code>loadFunction</code> and <code>rowType</code> are optional.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>path</code> - File path</dd> |
| <dd><code>loadFunction</code> - Load function</dd> |
| <dd><code>rowType</code> - Row type (what Pig calls 'schema')</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>This builder</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="distinct-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>distinct</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> distinct(org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel)</pre> |
| <div class="block">Removes duplicate tuples in a relation. |
| |
| <p>Equivalent Pig Latin: |
| <blockquote> |
| <pre>alias = DISTINCT alias [PARTITION BY partitioner] [PARALLEL n];</pre> |
| </blockquote></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>partitioner</code> - Partitioner; null means no partitioner</dd> |
| <dd><code>parallel</code> - Degree of parallelism; negative means unspecified</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>This builder</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="group-org.apache.calcite.tools.PigRelBuilder.GroupOption-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-org.apache.calcite.tools.RelBuilder.GroupKey...-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>group</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> group(<a href="../../../../org/apache/calcite/tools/PigRelBuilder.GroupOption.html" title="enum in org.apache.calcite.tools">PigRelBuilder.GroupOption</a> option, |
| org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel, |
| <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKey.html" title="interface in org.apache.calcite.tools">RelBuilder.GroupKey</a>... groupKeys)</pre> |
| <div class="block">Groups the data in one or more relations. |
| |
| <p>Pig Latin syntax: |
| <blockquote> |
| alias = GROUP alias { ALL | BY expression } |
| [, alias ALL | BY expression ...] |
| [USING 'collected' | 'merge'] [PARTITION BY partitioner] [PARALLEL n]; |
| </blockquote></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>groupKeys</code> - One of more group keys; use <a href="../../../../org/apache/calcite/tools/RelBuilder.html#groupKey--"><code>RelBuilder.groupKey()</code></a> for ALL</dd> |
| <dd><code>option</code> - Whether to use an optimized method combining the data |
| (COLLECTED for one input or MERGE for two or more inputs)</dd> |
| <dd><code>partitioner</code> - Partitioner; null means no partitioner</dd> |
| <dd><code>parallel</code> - Degree of parallelism; negative means unspecified</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>This builder</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="group-org.apache.calcite.tools.PigRelBuilder.GroupOption-org.apache.calcite.tools.PigRelBuilder.Partitioner-int-java.lang.Iterable-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>group</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/PigRelBuilder.html" title="class in org.apache.calcite.tools">PigRelBuilder</a> group(<a href="../../../../org/apache/calcite/tools/PigRelBuilder.GroupOption.html" title="enum in org.apache.calcite.tools">PigRelBuilder.GroupOption</a> option, |
| org.apache.calcite.tools.PigRelBuilder.Partitioner partitioner, |
| int parallel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><? extends <a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKey.html" title="interface in org.apache.calcite.tools">RelBuilder.GroupKey</a>> groupKeys)</pre> |
| </li> |
| </ul> |
| <a name="validateGroupList-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validateGroupList</h4> |
| <pre>protected void validateGroupList(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../org/apache/calcite/tools/RelBuilder.GroupKeyImpl.html" title="class in org.apache.calcite.tools">RelBuilder.GroupKeyImpl</a>> groupKeyList)</pre> |
| </li> |
| </ul> |
| <a name="getAlias--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getAlias</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getAlias()</pre> |
| </li> |
| </ul> |
| <a name="as-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>as</h4> |
| <pre>public <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> as(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> alias)</pre> |
| <div class="block">As super-class method, but also retains alias for naming of aggregates.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/calcite/tools/RelBuilder.html#as-java.lang.String-">as</a></code> in class <code><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></dd> |
| </dl> |
| </li> |
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