Scott Bailey <artacus@comcast.net> writes:
> On 8.4.0 I found that array_agg does not return a value when fed more
> than 12,000 values. (12,000 worked and 13,000 did not.)
What do you mean by "does not return a value"?
In general, giving a specific test case is a lot more helpful than
this sort of vague report. Whatever you're seeing could easily
depend on the specific data you're aggregating, for example.
regards, tom lane