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support merge addIndex #104

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@Defined2014 Defined2014 commented Jun 9, 2022

What problem does this PR solve?

Issue Number: close #100, close #101

Problem Summary:

What is changed and how it works?

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

Please refer to Release Notes Language Style Guide to write a quality release note.

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Optimize multi-schema change for add indexes Reorg with empty table too slow
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