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java.lang.Objectorg.apache.hadoop.hive.ql.optimizer.ColumnPrunerProcFactory
public final class ColumnPrunerProcFactory
Factory for generating the different node processors used by ColumnPruner.
Nested Class Summary | |
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static class |
ColumnPrunerProcFactory.ColumnPrunerDefaultProc
The Default Node Processor for Column Pruning. |
static class |
ColumnPrunerProcFactory.ColumnPrunerFilterProc
Node Processor for Column Pruning on Filter Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerGroupByProc
Node Processor for Column Pruning on Group By Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerJoinProc
The Node Processor for Column Pruning on Join Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerLateralViewJoinProc
The Node Processor for Column Pruning on Lateral View Join Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerMapJoinProc
The Node Processor for Column Pruning on Map Join Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerReduceSinkProc
The Node Processor for Column Pruning on Reduce Sink Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerSelectProc
The Node Processor for Column Pruning on Select Operators. |
static class |
ColumnPrunerProcFactory.ColumnPrunerTableScanProc
The Node Processor for Column Pruning on Table Scan Operators. |
Field Summary | |
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protected static org.apache.commons.logging.Log |
LOG
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected static final org.apache.commons.logging.Log LOG
Method Detail |
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public static ColumnPrunerProcFactory.ColumnPrunerFilterProc getFilterProc()
public static ColumnPrunerProcFactory.ColumnPrunerGroupByProc getGroupByProc()
public static ColumnPrunerProcFactory.ColumnPrunerDefaultProc getDefaultProc()
public static ColumnPrunerProcFactory.ColumnPrunerTableScanProc getTableScanProc()
public static ColumnPrunerProcFactory.ColumnPrunerReduceSinkProc getReduceSinkProc()
public static ColumnPrunerProcFactory.ColumnPrunerSelectProc getSelectProc()
public static ColumnPrunerProcFactory.ColumnPrunerLateralViewJoinProc getLateralViewJoinProc()
public static ColumnPrunerProcFactory.ColumnPrunerJoinProc getJoinProc()
public static ColumnPrunerProcFactory.ColumnPrunerMapJoinProc getMapJoinProc()
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