I wrote: > Hmm. IIRC the text to enum cast is considered stable not immutable, which > is why that doesn't get folded to a Const on sight. However, it seems > like it'd be okay for scalararraysel() to reduce stable expressions for > estimation purposes, ie it should be using estimate_expression_value. I've committed a patch for this; it will be in 9.3.4. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
