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[improvement](mtmv) improve mv rewrite performance by reuse the shuttled expression (#37197) #37935

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merged 1 commit into from
Jul 16, 2024

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seawinde
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Proposed changes

chrry-pick 2.1
pr: #37197
commitId: 701c7db

…led expression (apache#37197)

Optimizations:
1. Expression shuttle is expensive in materialized view rewritting, So
reuse the shuttled expression.
2. Generate shuttledExpressions by planOutput is also expensive, so
generate and store in struct info once and used later
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@seawinde
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run buildall

@yiguolei yiguolei merged commit dbd2b0a into apache:branch-2.1 Jul 16, 2024
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@yiguolei yiguolei mentioned this pull request Jul 19, 2024
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3 participants