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Column prune should remove useless filter columns in ExchangeSender/Receiver #38511

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yibin87 opened this issue Oct 18, 2022 · 1 comment · Fixed by #38536
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Column prune should remove useless filter columns in ExchangeSender/Receiver #38511

yibin87 opened this issue Oct 18, 2022 · 1 comment · Fixed by #38536
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yibin87 commented Oct 18, 2022

Enhancement

For simplified TPCH Q4 query:
image
The final physical plan of TiFlash, exchange sender/receiver's schema contains the filter columns while not used by Join Operator. They should be eliminated.
Related issue: pingcap/tiflash#6157
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yibin87 commented Oct 18, 2022

/assign yibin87

@yibin87 yibin87 mentioned this issue Oct 19, 2022
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ti-chi-bot pushed a commit that referenced this issue Nov 2, 2022
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planner: Add HashJoin<-Receiver specific physicalPlan column pruner (#…
e245b84 
…38536)

close #38511
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planner: Add HashJoin<-Receiver specific physicalPlan column pruner
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