Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> writes:
> SELECT pg_mcv_list_items(stxmcv) from pg_statistic_ext WHERE stxname = 'foo_s';
> which fails with
> ERROR: cache lookup failed for type 0
> That definitely used to work, so I'm guessing it got broken by the
> recent reworking of the serialisation code, but I've not looked into
> it.
Yeah, looks like sloppy thinking about whether or not the types array
participates in maxalign-forcing?
> There should probably be regression test coverage of that function.
+1
regards, tom lane