Document evaluation-order considerations for aggregate functions. The SELECT reference page didn't really address the question of when aggregate function evaluation occurs, nor did the "expression evaluation rules" documentation mention that CASE can't be used to control whether an aggregate gets evaluated or not. Improve that.
Per discussion of bug #11661. Original text by Marti Raudsepp and Michael Paquier, rewritten significantly by me. Branch ------ REL9_4_STABLE Details ------- http://git.postgresql.org/pg/commitdiff/df3e23e1b509001ac9336763404406bdcad04dcc Modified Files -------------- doc/src/sgml/ref/select.sgml | 36 ++++++++++++++++++++++++++---------- doc/src/sgml/syntax.sgml | 22 ++++++++++++++++++++++ 2 files changed, 48 insertions(+), 10 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
