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planner: fix panic when the join key is scalarFunction (#30002)#30775

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ti-chi-bot merged 13 commits intopingcap:release-5.1from
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Apr 12, 2022
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planner: fix panic when the join key is scalarFunction (#30002)#30775
ti-chi-bot merged 13 commits intopingcap:release-5.1from
ti-srebot:release-5.1-05ccb8a206da

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@ti-srebot ti-srebot commented Dec 16, 2021 •
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cherry-pick #30002 to release-5.1
You can switch your code base to this Pull Request by using git-extras:

# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/30775

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/tidb.git pr/30775:release-5.1-05ccb8a206da

Signed-off-by: yisaer disxiaofei@163.com

What problem does this PR solve?

Issue Number: close #29401

Problem Summary:

If one side of the join key is string, and the another is json, the expression of the string would be cast to json and marked ParseToJSONFlag which will let WrapWithCastAsJSON wrap extra cast function.

In order to avoid this problem, we remove ParseToJSONFlag temporary during updateEQCond.

The final explain info result for the original issue is like following:

mysql> explain select /*+ inl_hash_join(t1) */ * from t t1 join t t2 on t1.b=t2.e;
+-----------------------------+----------+-----------+---------------+---------------------------------------------------------------------------------------------------------------+
| id                          | estRows  | task      | access object | operator info                                                                                                 |
+-----------------------------+----------+-----------+---------------+---------------------------------------------------------------------------------------------------------------+
| HashJoin_8                  | 12500.00 | root      |               | inner join, equal:[eq(Column#15, test.t.e)]                                                                   |
| ├─TableReader_14(Build)     | 10000.00 | root      |               | data:TableFullScan_13                                                                                         |
| │ └─TableFullScan_13        | 10000.00 | cop[tikv] | table:t2      | keep order:false, stats:pseudo                                                                                |
| └─Projection_10(Probe)      | 10000.00 | root      |               | test.t.id, test.t.a, test.t.b, test.t.c, test.t.d, test.t.e, test.t.f, cast(test.t.b, json BINARY)->Column#15 |
|   └─TableReader_12          | 10000.00 | root      |               | data:TableFullScan_11                                                                                         |
|     └─TableFullScan_11      | 10000.00 | cop[tikv] | table:t1      | keep order:false, stats:pseudo                                                                                |
+-----------------------------+----------+-----------+---------------+---------------------------------------------------------------------------------------------------------------+
6 rows in set, 1 warning (0.00 sec)

What is changed and how it works?

This request fixs this case.

Check List

Tests

  • Unit test

Release note

Fix the bug that sql got cancel if including json column joins char column.

@Yisaer @ti-srebot
cherry pick pingcap#30002 to release-5.1
dc43593 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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ti-chi-bot commented Dec 16, 2021 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • JmPotato
  • Yisaer

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ti-srebot commented Dec 16, 2021

/run-all-tests

@ti-chi-bot ti-chi-bot added do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Dec 16, 2021
@ti-srebot ti-srebot mentioned this pull request Dec 16, 2021
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@ti-srebot ti-srebot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/5.1-cherry-pick type/bugfix This PR fixes a bug. labels Dec 16, 2021
@ti-chi-bot ti-chi-bot removed the size/S Denotes a PR that changes 10-29 lines, ignoring generated files. label Dec 16, 2021
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ti-srebot commented Dec 16, 2021

@Yisaer you're already a collaborator in bot's repo.

@ti-chi-bot ti-chi-bot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Dec 16, 2021
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Apr 12, 2022
@Yisaer
fix conflict
ef6abab 
Signed-off-by: yisaer <disxiaofei@163.com>
@ti-chi-bot ti-chi-bot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Apr 12, 2022
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Apr 12, 2022
@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Apr 12, 2022
@ti-chi-bot ti-chi-bot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed status/can-merge Indicates a PR has been approved by a committer. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Apr 12, 2022
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Yisaer commented Apr 12, 2022

/merge

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ti-chi-bot commented Apr 12, 2022

This pull request has been accepted and is ready to merge.

DetailsCommit hash: 8a45a60

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
@Yisaer
fix conflict
5567a5f 
Signed-off-by: yisaer <disxiaofei@163.com>
@ti-chi-bot ti-chi-bot removed the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
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fix conflict
bdd7516 
Signed-off-by: yisaer <disxiaofei@163.com>
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Yisaer commented Apr 12, 2022

/merge

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ti-chi-bot commented Apr 12, 2022

This pull request has been accepted and is ready to merge.

DetailsCommit hash: bdd7516

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
@Yisaer
fix conflict
9ee6185 
Signed-off-by: yisaer <disxiaofei@163.com>
@ti-chi-bot ti-chi-bot removed the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
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fix conflict
95ff4a9 
Signed-off-by: yisaer <disxiaofei@163.com>
@ti-chi-bot ti-chi-bot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Apr 12, 2022
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Yisaer commented Apr 12, 2022

/merge

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ti-chi-bot commented Apr 12, 2022

This pull request has been accepted and is ready to merge.

DetailsCommit hash: 95ff4a9

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
@Yisaer
fix conflict
57391ff 
Signed-off-by: yisaer <disxiaofei@163.com>
@ti-chi-bot ti-chi-bot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed status/can-merge Indicates a PR has been approved by a committer. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Apr 12, 2022
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Yisaer commented Apr 12, 2022

/merge

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ti-chi-bot commented Apr 12, 2022

This pull request has been accepted and is ready to merge.

DetailsCommit hash: 57391ff

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 12, 2022
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Yisaer commented Apr 12, 2022

/run-mysql-test

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Yisaer commented Apr 12, 2022

/run-all-tests

@ti-chi-bot ti-chi-bot merged commit ab1f4b0 into pingcap:release-5.1 Apr 12, 2022
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@JmPotato JmPotato JmPotato approved these changes

@chrysan chrysan Awaiting requested review from chrysan

@rebelice rebelice Awaiting requested review from rebelice

@winoros winoros Awaiting requested review from winoros

@XuHuaiyu XuHuaiyu Awaiting requested review from XuHuaiyu

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@Yisaer Yisaer Yisaer approved these changes

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