executor: improve codes of stmt hints #12246
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Codecov Report
@@ Coverage Diff @@
## master #12246 +/- ##
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Coverage 81.075% 81.075%
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Files 454 454
Lines 98658 98658
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Hits 79987 79987
Misses 12899 12899
Partials 5772 5772 |
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should we cherry pick this pr to release-3.1? |
zz-jason
added
status/LGT1
alivxxx
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status/LGT2
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Your auto merge job has been accepted, waiting for 12250, 12225 |
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/run-all-tests |
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@foreyes merge failed. |
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/run-unit-test |
Nope, seems we don't need these hints in 3.1. |
lonng
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Sep 18, 2019
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/run-all-tests |
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Could you approve again? @lamxTyler |
zz-jason
approved these changes
Sep 18, 2019
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/merge |
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Your auto merge job has been accepted, waiting for 12249, 12234 |
Does release 3.1 have this performance issue? |
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/run-all-tests |
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@foreyes merge failed. |
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/run-unit-test |
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What problem does this PR solve?
Improve codes of #11809
What is changed and how it works?
Reduce function cost when there is no sql hint.
Record last hint instead of save the whole list.
Check List
Tests
Code changes
Side effects
Related changes
Release note