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executor: fix naaj panic caused by wrong field types check (#42482) #42525

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This is an automated cherry-pick of #42482

What problem does this PR solve?

Issue Number: close #42459

Problem Summary:

a simplest case

create table t(a decimal(40,0), b bigint(20) not null);

insert into t values(7,8),(7,8),(3,4),(3,4),(9,2),(9,2),(2,0),(2,0),(0,4),(0,4),(8,8),(8,8),(6,1),(6,1),(NULL, 0),(NULL,0);

select ( table1 . a , table1 . b ) NOT IN ( SELECT 3 , 2 UNION  SELECT 9, 2 ) AS field2 from t as table1 order by field2;

ERROR 1105 (HY000): probeWorker[0] meets error: runtime error: index out of range [560] with length 128

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
MYSQL [test]>  source ~/tmp/schema.sql
MySQL [subquery_agg10000]> source ~/tmp/test.sql
+--------+--------+--------+--------+
| field1 | field2 | field3 | field4 |
+--------+--------+--------+--------+
|      0 |      1 |      0 |      1 |
|      0 |      0 |      0 |      1 |
|      0 |      1 |      0 |      0 |
+--------+--------+--------+--------+
3 rows in set, 213 warnings (0.025 sec)

  • 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.

executor: fix naaj panic caused by wrong field types check

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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ti-chi-bot commented Mar 23, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • chrysan
  • winoros

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@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Apr 4, 2023
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Apr 4, 2023
@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 10, 2023
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chrysan commented Apr 10, 2023

/merge

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

Commit hash: dd879a1

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 10, 2023
@ti-chi-bot ti-chi-bot merged commit 3b3cc98 into pingcap:release-6.5 Apr 10, 2023
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@VelocityLight VelocityLight added do-not-merge/cherry-pick-not-approved cherry-pick-approved Cherry pick PR approved by release team. and removed cherry-pick-approved Cherry pick PR approved by release team. do-not-merge/cherry-pick-not-approved labels Apr 21, 2023
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5 participants