Alexander Farber <alexander.far...@gmail.com> writes: > after switching to 9.6.2 from 9.5.3 the following custom function has > stopped working:
> CREATE OR REPLACE FUNCTION words_shuffle(in_array varchar[]) > RETURNS varchar[] AS > $func$ > SELECT array_agg(letters.x) FROM > (SELECT UNNEST(in_array) x ORDER BY RANDOM()) letters; > $func$ LANGUAGE sql STABLE; Expansion of SRFs in the targetlist now happens after ORDER BY. So the ORDER BY is sorting a single dummy row and then the unnest happens after that. See https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=9118d03a8 regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
