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[CALCITE-1100] If RelOptPlanner#Executor cannot reduce to a new expre…#199

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[CALCITE-1100] If RelOptPlanner#Executor cannot reduce to a new expre…#199
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@hsuanyi hsuanyi commented Feb 25, 2016

…ssion, do not generate a new plan (, which will be equivalent to the original one).

Otherwise, the Importance of the original plan will be forced as ZERO and prevent other rules from being fired.

…ssion, do not generate a new plan (, which will be equivalent to the original one).

Otherwise, the Importance of the original plan will be forced as ZERO and prevent other rules from being fired.
@asfgit asfgit closed this in 25d1e42 Feb 25, 2016
ldming pushed a commit to ldming/mycalcite that referenced this pull request Sep 13, 2018
…de (Hsuan-Yi Chu)

If RelOptPlanner.Executor cannot reduce to a new expression, do not
generate a new plan. (The new plan would be equivalent to the original
one, the Importance of the original plan would be forced as ZERO and
prevent other rules from being fired.)

Close apache/calcite#199
pfzhan pushed a commit to pfzhan/calcite that referenced this pull request Mar 14, 2022
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