docs: clarify handling of column lists in COPY TO/FROM

Bruce Momjian <bruce@momjian.us>

Commit: 96aa9b60896def1e6c2a1dd127498e58c53361cf
Author: Bruce Momjian <bruce@momjian.us>
Date: 2019-12-21T17:44:38Z
Releases: 12.2
docs:  clarify handling of column lists in COPY TO/FROM

Previously it was unclear how COPY FROM handled cases where not all
columns were specified, or if the order didn't match.

Reported-by: pavlo.golub@gmail.com

Discussion: https://postgr.es/m/157487729344.7213.14245726713444755296@wrigleys.postgresql.org

Backpatch-through: 9.4

Files

PathChange+/−
doc/src/sgml/ref/copy.sgml modified +5 −5

Documentation touched