[#MDEV-31553] Double convert of ',' with cursor-protocol gives incorrect result

[MDEV-31553] Double convert of ',' with cursor-protocol gives incorrect result Created: 2023-06-27 Updated: 2023-11-28
Status:	Open
Project:	MariaDB Server
Component/s:	None
Affects Version/s:	10.4, 10.5, 10.6, 10.9, 10.10, 11.0, 11.1, 11.2
Fix Version/s:	10.4, 10.5, 10.6, 11.0, 11.1, 11.2

Type:

Bug

Priority:

Major

Reporter:

Lena Startseva

Assignee:

Unassigned

Resolution:

Unresolved

Votes:

Labels:

None

Issue Links:

Relates
relates to	MDEV-29295	Double convert of ',' in view definit...	Open
relates to	MDEV-31005	Make working cursor-protocol	Stalled

Description

Testcase (run MTR test with --cursor-protocol):

select convert(convert(',' using filename) using binary);

Expected result:

@002c

Actual result:

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