Обсуждение: pgsql: Doc: fix description of UNION/CASE/etc type unification.

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

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/fd55df04edb9f9cc31c0dc05419739c4ace01eb9

Modified Files
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doc/src/sgml/typeconv.sgml | 33 +++++++++++++++++++--------------
1 file changed, 19 insertions(+), 14 deletions(-)