Thread: pgsql: postgres_fdw: Avoid pulling up restrict infos from subqueries
postgres_fdw: Avoid pulling up restrict infos from subqueries Semi-join joins below left/right join are deparsed as subqueries. Thus, we can't refer to subqueries vars from upper relations. This commit avoids pulling conditions from them. Reported-by: Robins Tharakan <tharakan@gmail.com> Bug: #18852 Discussion: https://postgr.es/m/CAEP4nAzryLd3gwcUpFBAG9MWyDfMRX8ZjuyY2XXjyC_C6k%2B_Zw%40mail.gmail.com Author: Alexander Pyhalov <a.pyhalov@postgrespro.ru> Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com> Backpatch-through: 17 Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/023fb512755ffb64949eb6de8464c259ca70f1bd Modified Files -------------- contrib/postgres_fdw/expected/postgres_fdw.out | 38 ++++++++++++++++++++++++++ contrib/postgres_fdw/postgres_fdw.c | 32 ++++++++++++++++------ contrib/postgres_fdw/sql/postgres_fdw.sql | 17 ++++++++++++ 3 files changed, 79 insertions(+), 8 deletions(-)