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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)
commitf47841fbad8a7f6dd579db68d782857697ad25c6
tree3a67270f9359a22215d353641055d06342671115tree
parent67029845b08d93108d53f572e2d58334c850126fcommit | diff
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 diff | blob | blame | history
doc/src/sgml/typeconv.sgml diff | blob | blame | history
Mirror of https://git.postgresql.org/git/postgresql.git