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| Class Summary | |
|---|---|
| UnionProcContext | UnionProcContext. |
| UnionProcContext.UnionParseContext | 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.UnionNoProcessFile | Union followed by no processing. |
| UnionProcFactory.UnknownUnion | Union subquery followed by Union. |
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