Fix MERGE's test for unreachable WHEN clauses. The former code would only detect an unreachable WHEN clause if it had an AND condition. Fix, so that unreachable unconditional WHEN clauses are also detected.
Back-patch to v15, where MERGE was added. Discussion: https://postgr.es/m/CAEZATCVQ=7E2z4cSBB49jjeGGsB6WeoYQY32NDeSvcHiLUZ=o...@mail.gmail.com Branch ------ REL_15_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/38255f2d0059a101c3fb791d6523a9e66e55aa66 Modified Files -------------- src/backend/parser/parse_merge.c | 6 +++--- src/test/regress/expected/merge.out | 2 +- src/test/regress/sql/merge.sql | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-)
