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Class Summary | |
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UnionProcContext | |
UnionProcContext.UnionParseContext | |
UnionProcessor | Implementation of the union processor. |
UnionProcFactory | Operator factory for union processing |
UnionProcFactory.MapRedUnion | MapRed subquery followed by Union |
UnionProcFactory.MapUnion | Map-only subquery followed by Union |
UnionProcFactory.NoUnion | Default processor |
UnionProcFactory.UnknownUnion | Union subquery followed by Union |
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