On Wednesday, May 25, 2022, Japin Li <japinli(at)hotmail(dot)com> wrote:
>
> Hi,
>
> Today, I try to use repeat() to generate 1GB text, and it occurs invalid
> memory
> alloc request size [1]. It is a limit from palloc(), then I try to reduce
> it,
> it still complains out of memory which comes from enlargeStringInfo()
> [2]. The
> documentation about repect() [3] doesn't mentaion the limitation.
>
That is still a “field” even if it is not stored.
https://www.postgresql.org/docs/current/limits.html
David J.