[MDEV-4677] GROUP_CONCAT not showing any output with group_concat_max_len >= 4Gb - Jira

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Details

Type: Bug
Status: Closed (View Workflow)
Priority: Minor
Resolution: Fixed
Affects Version/s: 10.0.3, 5.5.31, 5.1.67, 5.2.14, 5.3.12
Fix Version/s: 10.2.37, 10.3.28, 10.4.18, 10.5.9
Component/s: Optimizer
Labels:
- group_concat
- upstream
Environment:
Debian GNU/Linux 7.1 (wheezy)

Description

Every query using a GROUP_CONCAT is showing an empty resultset with no NULL values on the column it should concatenate.

A simple "select studentId, group_concat(grades) from studentGrades where sutdentId=1" is giving a wrong output with the above description.

Attachments

Issue Links

links to

Bug #69515 - group_concat_max_len >= 4Gb does not work

Activity

People

Assignee:: Sergei Golubchik

Reporter:: Lennart Weijl

Votes:: 1 Vote for this issue

Watchers:: 4 Start watching this issue

Dates

Created:: 2013-06-18 19:03

Updated:: 2021-02-19 12:01

Resolved:: 2020-12-12 10:48

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