Doc: clarify data type behavior of COALESCE and NULLIF. After studying the code, NULLIF is a lot more subtle than you might have guessed.
Discussion: https://postgr.es/m/[email protected] Branch ------ REL9_5_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/7b9cee45ad2ad8529826ef44061e0c4461911024 Modified Files -------------- doc/src/sgml/func.sgml | 27 +++++++++++++++++++++++++-- doc/src/sgml/typeconv.sgml | 12 ++++++++---- 2 files changed, 33 insertions(+), 6 deletions(-)
