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Class Summary | |
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ExprProcCtx | The processor context for partition pruner. |
ExprProcFactory | Expression processor factory for partition pruning. |
ExprProcFactory.ColumnExprProcessor | Processor for column expressions. |
ExprProcFactory.DefaultExprProcessor | Processor for constants and null expressions. |
ExprProcFactory.FieldExprProcessor | FieldExprProcessor. |
ExprProcFactory.GenericFuncExprProcessor | If all children are candidates and refer only to one table alias then this expr is a candidate else it is not a candidate but its children could be final candidates. |
ExprPrunerInfo | The processor context for partition pruner. |
OpProcFactory | Operator factory for partition pruning processing of operator graph We find all the filter operators that appear just beneath the table scan operators. |
OpProcFactory.DefaultPPR | Default processor which just merges its children. |
OpProcFactory.FilterPPR | Determines the partition pruner for the filter. |
OpWalkerCtx | Context class for operator tree walker for partition pruner. |
PartExprEvalUtils | |
PartitionPruner | The transformation step that does partition pruning. |
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