Added Methods |
void connectMapToReduceLimitedSort(MapReduceOper, MapReduceOper)
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POForEach getPlainForEachOP()
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Pair getSamplingJob(POSort, MapReduceOper, List, FileSpec, FileSpec, int, List, String, String[], String)
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Create a sampling job to collect statistics by sampling an input file. |
Pair getSkewedJoinSampleJob(POSkewedJoin, MapReduceOper, FileSpec, FileSpec, int)
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Create Sampling job for skewed join. |
void visitCollectedGroup(POCollectedGroup )
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void visitMergeJoin(POMergeJoin )
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Since merge-join works on two inputs there are exactly two MROper predecessors identified as left and right. |
void visitSkewedJoin(POSkewedJoin )
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