Hi, On 2018-05-01 14:09:39 -0700, Mark Dilger wrote: > I don't care which order the data is in, as long as x[i] and y[i] are > matched correctly. It sounds like this patch would force me to write > that as, for example: > > select array_agg(a order by a, b) AS x, array_agg(b order by a, b) AS y > from generate_a_b_func(foo); > > which I did not need to do before.
Why would it require that? Rows are still processed row-by-row even if there's parallelism, no? Greetings, Andres Freund