Bug #99722 Please backport fix for Bug 31320716 to 5.6
Submitted: 28 May 2020 11:15 Modified: 11 Aug 2020 12:28
Reporter: Lars Tangvald Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Data Types Severity:S3 (Non-critical)
Version:5.6.48 OS:Any
Assigned to: CPU Architecture:Any

[28 May 2020 11:15] Lars Tangvald 
Description:
A user noted in the bug report that this regression also affects 5.6.48

How to repeat:
-
[29 May 2020 7:06] Norvald Ryeng 
Bug#99720 closed as duplicate of this bug.
[20 Jul 2020 8:50] Ralf Spettnagel 
not fixed in 5.6.49. any eta?
[11 Aug 2020 12:28] Paul DuBois 
Posted by developer:
 
Fixed in 5.6.50.

Assigning CONCAT(') or CONCAT_WS(') to a variable set the variable
to NULL, not the empty string.