Hi, On 2021-04-08 01:41:40 -0400, Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > Independent of this patch, it might be a good idea to have > > ExecInitParallelPlan() be robust against NULL querystrings. Places like > > executor_errposition() are certainly trying to be... > > FWIW, I think the long-term drift of things is definitely that > we want to have the querystring available everywhere. Code like > executor_errposition is from an earlier era before we were trying > to enforce that. In particular, if the querystring is available in > the leader and not the workers, then you will get different error > reporting behavior in parallel query than non-parallel query, which > is surely a bad thing.
Yea, I think it's a sensible direction - but I think we should put the line in the sand earlier on / higher up than ExecInitParallelPlan(). Greetings, Andres Freund