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 ------ master Details ------- https://git.postgresql.org/pg/commitdiff/24b83a5082541bdb1b333b7fcbe92f194128595c Modified Files -------------- doc/src/sgml/func.sgml | 27 +++++++++++++++++++++++++-- doc/src/sgml/typeconv.sgml | 12 ++++++++---- 2 files changed, 33 insertions(+), 6 deletions(-)
