On Thu, 15 Oct 2020 at 08:39, Justin Pryzby <pry...@telsasoft.com> wrote: > > /* don't print information if no JITing happened */ > if (!ji || ji->created_functions == 0) > return; > > This applies even when (es->format != EXPLAIN_FORMAT_TEXT), which I think is > wrong. Jit use can be determined by cost, so I think jit details should be > shown in non-text format whenever ji!=NULL, even if it's zeros. Arguably, > bits > could be omitted if jit_expressions=off or jit_tuple_deforming=off, but I > don't > see the point.
Just for some reference. Some wisdom was shared in [1], which made a lot of sense to me. If we apply that, then we just need to decide if displaying any jit related fields without any jitted expressions is relevant. I'm a bit undecided. [1] https://www.postgresql.org/message-id/2276865.1593102811%40sss.pgh.pa.us
