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executor: Fix for dynamic partition pruning and union_scan #30734

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@mjonss mjonss commented Dec 15, 2021

What problem does this PR solve?

Issue Number: close #29851 (reverting #26876 + fix for union scan with transaction buffer)

Problem Summary:

What is changed and how it works?

WIP, mostly a prototype for understanding the real issue.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

None

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@ti-chi-bot ti-chi-bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Dec 15, 2021
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mjonss commented Feb 23, 2022

Replaced by #31634

@mjonss mjonss closed this Feb 23, 2022
@mjonss mjonss deleted the dyn-prune-txn branch February 23, 2022 08:55
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Allow dynamic pruning mode also for transactions
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