Arthur Ramsey <arthur(dot)ramsey(at)code42(dot)com> writes:
> I've upgraded from 12.11 to 15.2 and I'm seeing this query now use a
> sequential scan which is taking 500ms instead of < 2ms. If I disable
> sequential scans then it performs as well as 12.11.
What does the EXPLAIN look like with seqscans disabled?
regards, tom lane