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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)
commita24cda29e2742e24dbe3af07e6ee52bd79f2ced9
tree13b6cc5569bb3f3fac5dea8251ea2933df181cf6tree
parent7b356c78f67099db0bb5dc20663adcedc273c7a0commit | 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