Jeff Davis wrote:
Here's an updated patch for just array_accum() with some simple docs.
I have committed a "best of Robert Haas and Jeff Davis" array_agg() function with standard SQL semantics. I believe this gives the best consistency with other aggregate functions for the no-input-rows case. If some other behavior is wanted, it is a coalesce() away, as the documentation states.
-- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers