pgsql: Simplify and clarify an error message

Simplify and clarify an error message Branch -- REL_15_STABLE Details --- https://git.postgresql.org/pg/commitdiff/9c4c22fdfeab86a65fdba9d2fe63879c034001ae Modified Files -- src/backend/commands/copyfromparse.c | 2 +- src/test/regress/expected/copy.out | 8 2 files

pgsql: Simplify and clarify an error message

Simplify and clarify an error message Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/08909e3aee6182a988da5bf5c1b543910ee096c7 Modified Files -- src/backend/commands/copyfromparse.c | 2 +- src/test/regress/expected/copy.out | 8 2 files changed