Doc: fix description of UNION/CASE/etc type unification.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 17 Aug 2020 19:40:07 +0000 (15:40 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 17 Aug 2020 19:40:07 +0000 (15:40 -0400)
commit22e75a341ecc841bdc1db417d11a643b0a42df4f
tree783ceed128a34b83955d31546a3c19e4aa408306
parenta28d731a1187e8d9d8c2b6319375fcbf0a8debd5
Doc: fix description of UNION/CASE/etc type unification.

The description of what select_common_type() does was not terribly
accurate.  Improve it.

David Johnston and Tom Lane

Discussion: https://postgr.es/m/1019930.1597613200@sss.pgh.pa.us
doc/src/sgml/typeconv.sgml