planner, util: new unfixed mutrow for TypeNull (#17893) #17934
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Signed-off-by: sre-bot <[email protected]>
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planner/core/integration_test.go
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| @@ -252,3 +252,267 @@ func (s *testIntegrationSuite) TestIssue15813(c *C) { | |||
| tk.MustExec("CREATE INDEX i0 ON t1(c0)") | |||
| tk.MustQuery("select /*+ MERGE_JOIN(t0, t1) */ * from t0, t1 where t0.c0 = t1.c0").Check(testkit.Rows()) | |||
| } | |||
| <<<<<<< HEAD | |||
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@XuHuaiyu
Please fix the conflict.
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release-2.1 does not support |
lysu
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cherry-pick #17893 to release-2.1
What problem does this PR solve?
Issue Number: close #16027 #6252
Problem Summary:
TypeNull should be handled as unfixedLen field type. refer MySQL: https://github.com/mysql/mysql-server/blob/8.0/sql/field.h#L151
What is changed and how it works?
What's Changed:
makeMutRowBytesColumnfornilHow it Works:
The reason is mentioned in #15512 (comment).
Related changes
Check List
Tests
Side effects
N/A
Release note