Changed Classes |
POGlobalRearrange
|
Dummy operator to test MRCompiler. |
POLoad
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The load operator which is used in two ways: 1) As a local operator it can be used to load files 2) In the Map Reduce setting it is used to create jobs from MapReduce operators which keep the loads and stores in the Map and Reduce Plans till the job is created |
POLocalRearrange
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The local rearrange operator is a part of the co-group implementation. |
POMergeJoin
|
This operator implements merge join algorithm to do map side joins. |
POPackage
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The package operator that packages the globally rearranged tuples into output format as required by co-group. |
POPackageLite
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This package operator is a specialization of POPackage operator used for the specific case of the order by query. |
POSortedDistinct
|
This operator is a variation of PODistinct the input to this operator must be sorted already. |
POStore
|
The store operator which is used in two ways: 1) As a local operator it can be used to store files 2) In the Map Reduce setting it is used to create jobs from MapReduce operators which keep the loads and stores in the Map and Reduce Plans till the job is created |