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Nested union with LIMIT handles incorrectly #49377
Labels
affects-5.4
This bug affects 5.4.x versions.
affects-6.1
affects-6.5
affects-7.1
affects-7.5
component/parser
severity/critical
sig/sql-infra
SIG: SQL Infra
type/bug
The issue is confirmed as a bug.
Comments
Limit is missed in TiDB's plan:
|
chrysan
added
sig/planner
SIG: Planner
affects-5.4
This bug affects 5.4.x versions.
affects-6.1
affects-6.5
affects-7.1
affects-7.5
labels
Dec 12, 2023
a minimal case
mysql
tidb
|
13 tasks
This was referenced Dec 15, 2023
AilinKid
added a commit
to AilinKid/tidb
that referenced
this issue
Dec 19, 2023
…List item and lost its orderBy and Limit (pingcap#49421) close pingcap#49377
13 tasks
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Labels
affects-5.4
This bug affects 5.4.x versions.
affects-6.1
affects-6.5
affects-7.1
affects-7.5
component/parser
severity/critical
sig/sql-infra
SIG: SQL Infra
type/bug
The issue is confirmed as a bug.
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
2. What did you expect to see? (Required)
MySQL 8:
3. What did you see instead (Required)
4. What is your TiDB version? (Required)
master
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