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<div class="subTitle">org.apache.drill.exec.planner.fragment.contrib</div>
<h2 title="Class SplittingParallelizer" class="title">Class SplittingParallelizer</h2>
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<li><a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html" title="class in org.apache.drill.exec.planner.fragment">org.apache.drill.exec.planner.fragment.SimpleParallelizer</a></li>
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<li><a href="../../../../../../../org/apache/drill/exec/planner/fragment/DefaultQueryParallelizer.html" title="class in org.apache.drill.exec.planner.fragment">org.apache.drill.exec.planner.fragment.DefaultQueryParallelizer</a></li>
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<li>org.apache.drill.exec.planner.fragment.contrib.SplittingParallelizer</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationParameters.html" title="interface in org.apache.drill.exec.planner.fragment">ParallelizationParameters</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/QueryParallelizer.html" title="interface in org.apache.drill.exec.planner.fragment">QueryParallelizer</a></dd>
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<pre>public class <span class="typeNameLabel">SplittingParallelizer</span>
extends <a href="../../../../../../../org/apache/drill/exec/planner/fragment/DefaultQueryParallelizer.html" title="class in org.apache.drill.exec.planner.fragment">DefaultQueryParallelizer</a></pre>
<div class="block">SimpleParallelizerMultiPlans class is an extension to SimpleParallelizer to
help with getting PlanFragments for split plan. Split plan is essentially
ability to create multiple Physical Operator plans from original Physical
Operator plan to be able to run plans separately. Moving functionality
specific to splitting the plan to this class allows not to pollute parent
class with non-authentic functionality.</div>
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<code><a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.CountRequiredFragments.html" title="class in org.apache.drill.exec.planner.fragment">SimpleParallelizer.CountRequiredFragments</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/fragment/contrib/SplittingParallelizer.html#SplittingParallelizer-boolean-org.apache.drill.exec.ops.QueryContext-">SplittingParallelizer</a></span>(boolean&nbsp;doMemoryPlanning,
<a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;context)</code>&nbsp;</td>
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<td class="colFirst"><code><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>&lt;<a href="../../../../../../../org/apache/drill/exec/work/QueryWorkUnit.html" title="class in org.apache.drill.exec.work">QueryWorkUnit</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/fragment/contrib/SplittingParallelizer.html#getSplitFragments-org.apache.drill.exec.server.options.OptionList-org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint-org.apache.drill.exec.proto.UserBitShared.QueryId-java.util.Collection-org.apache.drill.exec.planner.PhysicalPlanReader-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.proto.BitControl.QueryContextInformation-">getSplitFragments</a></span>(<a href="../../../../../../../org/apache/drill/exec/server/options/OptionList.html" title="class in org.apache.drill.exec.server.options">OptionList</a>&nbsp;options,
<a href="../../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>&nbsp;foremanNode,
<a href="../../../../../../../org/apache/drill/exec/proto/UserBitShared.QueryId.html" title="class in org.apache.drill.exec.proto">UserBitShared.QueryId</a>&nbsp;queryId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>&gt;&nbsp;activeEndpoints,
<a href="../../../../../../../org/apache/drill/exec/planner/PhysicalPlanReader.html" title="class in org.apache.drill.exec.planner">PhysicalPlanReader</a>&nbsp;reader,
<a href="../../../../../../../org/apache/drill/exec/planner/fragment/Fragment.html" title="class in org.apache.drill.exec.planner.fragment">Fragment</a>&nbsp;rootFragment,
<a href="../../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../../org/apache/drill/exec/proto/BitControl.QueryContextInformation.html" title="class in org.apache.drill.exec.proto">BitControl.QueryContextInformation</a>&nbsp;queryContextInfo)</code>
<div class="block">Create multiple physical plans from original query planning, it will allow execute them eventually independently</div>
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<code><a href="../../../../../../../org/apache/drill/exec/planner/fragment/DefaultQueryParallelizer.html#adjustMemory-org.apache.drill.exec.planner.fragment.PlanningSet-java.util.Set-java.util.Collection-">adjustMemory</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/DefaultQueryParallelizer.html#getMemory--">getMemory</a></code></li>
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<code><a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#collectStatsAndParallelizeFragments-org.apache.drill.exec.planner.fragment.PlanningSet-java.util.Set-java.util.Collection-">collectStatsAndParallelizeFragments</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#generateWorkUnit-org.apache.drill.exec.server.options.OptionList-org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint-org.apache.drill.exec.proto.UserBitShared.QueryId-java.util.Collection-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.proto.BitControl.QueryContextInformation-">generateWorkUnit</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#generateWorkUnit-org.apache.drill.exec.server.options.OptionList-org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint-org.apache.drill.exec.proto.UserBitShared.QueryId-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.planner.fragment.PlanningSet-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.proto.BitControl.QueryContextInformation-">generateWorkUnit</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getAffinityFactor--">getAffinityFactor</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getMaxGlobalWidth--">getMaxGlobalWidth</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getMaxWidthPerNode--">getMaxWidthPerNode</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getRootFragments-org.apache.drill.exec.planner.fragment.PlanningSet-">getRootFragments</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getSliceTarget--">getSliceTarget</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#initFragmentWrappers-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.planner.fragment.PlanningSet-">initFragmentWrappers</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#prepareFragmentTree-org.apache.drill.exec.planner.fragment.Fragment-">prepareFragmentTree</a>, <a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#traverse-org.apache.drill.exec.planner.fragment.Wrapper-java.util.function.Consumer-">traverse</a></code></li>
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<h4>SplittingParallelizer</h4>
<pre>public&nbsp;SplittingParallelizer(boolean&nbsp;doMemoryPlanning,
<a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;context)</pre>
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<a name="getSplitFragments-org.apache.drill.exec.server.options.OptionList-org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint-org.apache.drill.exec.proto.UserBitShared.QueryId-java.util.Collection-org.apache.drill.exec.planner.PhysicalPlanReader-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.proto.BitControl.QueryContextInformation-">
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<h4>getSplitFragments</h4>
<pre>public&nbsp;<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>&lt;<a href="../../../../../../../org/apache/drill/exec/work/QueryWorkUnit.html" title="class in org.apache.drill.exec.work">QueryWorkUnit</a>&gt;&nbsp;getSplitFragments(<a href="../../../../../../../org/apache/drill/exec/server/options/OptionList.html" title="class in org.apache.drill.exec.server.options">OptionList</a>&nbsp;options,
<a href="../../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>&nbsp;foremanNode,
<a href="../../../../../../../org/apache/drill/exec/proto/UserBitShared.QueryId.html" title="class in org.apache.drill.exec.proto">UserBitShared.QueryId</a>&nbsp;queryId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>&gt;&nbsp;activeEndpoints,
<a href="../../../../../../../org/apache/drill/exec/planner/PhysicalPlanReader.html" title="class in org.apache.drill.exec.planner">PhysicalPlanReader</a>&nbsp;reader,
<a href="../../../../../../../org/apache/drill/exec/planner/fragment/Fragment.html" title="class in org.apache.drill.exec.planner.fragment">Fragment</a>&nbsp;rootFragment,
<a href="../../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../../org/apache/drill/exec/proto/BitControl.QueryContextInformation.html" title="class in org.apache.drill.exec.proto">BitControl.QueryContextInformation</a>&nbsp;queryContextInfo)
throws <a href="../../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></pre>
<div class="block">Create multiple physical plans from original query planning, it will allow execute them eventually independently</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html#getSplitFragments-org.apache.drill.exec.server.options.OptionList-org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint-org.apache.drill.exec.proto.UserBitShared.QueryId-java.util.Collection-org.apache.drill.exec.planner.PhysicalPlanReader-org.apache.drill.exec.planner.fragment.Fragment-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.proto.BitControl.QueryContextInformation-">getSplitFragments</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/drill/exec/planner/fragment/SimpleParallelizer.html" title="class in org.apache.drill.exec.planner.fragment">SimpleParallelizer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>options</code> - </dd>
<dd><code>foremanNode</code> - </dd>
<dd><code>queryId</code> - </dd>
<dd><code>activeEndpoints</code> - </dd>
<dd><code>reader</code> - </dd>
<dd><code>rootFragment</code> - </dd>
<dd><code>session</code> - </dd>
<dd><code>queryContextInfo</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></code></dd>
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