On Mon, Jul 21, 2014 at 4:57 PM, Andres Freund <and...@anarazel.de> wrote: > I rather doubt it will. x in (y1, ... yn) is essentially expanded to x = > y1 OR x = y2, ... OR x = yn. I.e. the NULL comparison will be done using > normal equality comparison and thus not return a row with a NULL > orderid. Am I missing something?
I was a little bit incautious in my use of words. The point is that a scanKey could easily represent a ScalarArrayOpExpr with NULLs and non-NULLs. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers