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Uses of Transform in org.apache.hadoop.hive.ql.optimizer |
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Classes in org.apache.hadoop.hive.ql.optimizer that implement Transform | |
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BucketMapJoinOptimizer
this transformation does bucket map join optimization. |
class |
ColumnPruner
Implementation of one of the rule-based optimization steps. |
class |
GroupByOptimizer
this transformation does bucket group by optimization. |
class |
JoinReorder
Implementation of rule-based join table reordering optimization. |
class |
MapJoinProcessor
Implementation of one of the rule-based map join optimization. |
class |
ReduceSinkDeDuplication
If two reducer sink operators share the same partition/sort columns, we should merge them. |
class |
SamplePruner
The transformation step that does sample pruning. |
class |
SortedMergeBucketMapJoinOptimizer
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Uses of Transform in org.apache.hadoop.hive.ql.optimizer.lineage |
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Classes in org.apache.hadoop.hive.ql.optimizer.lineage that implement Transform | |
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class |
Generator
This class generates the lineage information for the columns and tables from the plan before it goes through other optimization phases. |
Uses of Transform in org.apache.hadoop.hive.ql.optimizer.pcr |
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Classes in org.apache.hadoop.hive.ql.optimizer.pcr that implement Transform | |
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class |
PartitionConditionRemover
The transformation step that does partition condition remover. |
Uses of Transform in org.apache.hadoop.hive.ql.optimizer.ppr |
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Classes in org.apache.hadoop.hive.ql.optimizer.ppr that implement Transform | |
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class |
PartitionPruner
The transformation step that does partition pruning. |
Uses of Transform in org.apache.hadoop.hive.ql.optimizer.unionproc |
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Classes in org.apache.hadoop.hive.ql.optimizer.unionproc that implement Transform | |
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class |
UnionProcessor
Implementation of the union processor. |
Uses of Transform in org.apache.hadoop.hive.ql.ppd |
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Classes in org.apache.hadoop.hive.ql.ppd that implement Transform | |
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class |
PredicatePushDown
Implements predicate pushdown. |
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