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)
commit8216a1d3ed27364c7b2a9e6db76f15202a6070c1
treec12e15b151a411d6b75c716054801c7f59b76785
parent5ca1798f32b7fe730fef7ccd8d69e785a50134b8
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