]> git.ipfire.org Git - thirdparty/postgresql.git/commit
Doc: clarify data type behavior of COALESCE and NULLIF.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 9 Nov 2020 17:02:24 +0000 (12:02 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 9 Nov 2020 17:02:24 +0000 (12:02 -0500)
commitd4fb509d07c36e1839ba2a1c0d00ff18606937f6
tree51bc4c8ee28bebe975218ca53f8e7ad2d3d9da6d
parent12fd81cb7fab49ba0a5f004596e52271275deec0
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/160486028730.25500.15740897403028593550@wrigleys.postgresql.org
doc/src/sgml/func.sgml
doc/src/sgml/typeconv.sgml