MySQL Bugs: #86877: Improve error report for unsupported aggr. window function to include its name

Bug #86877	Improve error report for unsupported aggr. window function to include its name
Submitted:	29 Jun 2017 20:25	Modified:	15 Aug 2017 13:33
Reporter:	Dag Wanvik	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server: Optimizer	Severity:	S4 (Feature request)
Version:	8.0.2	OS:	Any
Assigned to:		CPU Architecture:	Any
Tags:	WL9727 WL9236

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Description:
Currently, the error message looks like this:

ERROR 1235 (42000): This version of MySQL doesn't yet support 'this aggregate as window function'

It would be nice to include the name of the unsupported aggregate.

How to repeat:
CREATE TABLE t(i VARCHAR(20));
SELECT GROUP_CONCAT(i) OVER () FROM t;

Posted by developer:
 
Fixed in 8.0.3.

Cosmetic improvement. No changelog entry needed.