Andres Freund <> writes:
> When forcing JITing to be enabled for all queries, obviously only useful
> for testing, I noticed that two explain outputs changed after I added
> explain support.

> The only differences come from:

> -- Unspecified-type literals in output columns should resolve as text

> SELECT *, pg_typeof(f1) FROM
>   (SELECT 'foo' AS f1 FROM generate_series(1,3)) ss ORDER BY 1;

> -- ... unless there's context to suggest differently

> explain verbose select '42' union all select '43';
> explain verbose select '42' union all select 43;

> which don't use costs=off.  Is there a reason for that? I assume it was
> just a harmless oversight?

Duh, yeah, explain (verbose, costs off) would do fine there.
Mea culpa.  Do you want to fix it?

                        regards, tom lane

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