From 288e499ba817ccb364b9bc826a4470f03ca23b72 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Sun, 17 Jul 2022 17:27:50 -0400 Subject: postgres_fdw: set search_path to 'pg_catalog' while deparsing constants. The motivation for this is to ensure successful transmission of the values of constants of regconfig and other reg* types. The remote will be reading them with search_path = 'pg_catalog', so schema qualification is necessary when referencing objects in other schemas. Per bug #17483 from Emmanuel Quincerot. Back-patch to all supported versions. (There's some other stuff to do here, but it's less back-patchable.) Discussion: https://postgr.es/m/1423433.1652722406@sss.pgh.pa.us --- contrib/postgres_fdw/sql/postgres_fdw.sql | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'contrib/postgres_fdw/sql/postgres_fdw.sql') diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index 58acd7dff5e..8c9697d3ab3 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -373,6 +373,15 @@ EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1; SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1; +-- check schema-qualification of regconfig constant +CREATE TEXT SEARCH CONFIGURATION public.custom_search + (COPY = pg_catalog.english); +EXPLAIN (VERBOSE, COSTS OFF) +SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM ft1 +WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0; +SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM ft1 +WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0; + -- =================================================================== -- JOIN queries -- =================================================================== -- cgit v1.2.3