diff options
Diffstat (limited to 'src/backend/optimizer/util/relnode.c')
| -rw-r--r-- | src/backend/optimizer/util/relnode.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index 8cfbea04e8..56235663d7 100644 --- a/src/backend/optimizer/util/relnode.c +++ b/src/backend/optimizer/util/relnode.c @@ -14,6 +14,7 @@ */ #include "postgres.h" +#include "foreign/fdwapi.h" #include "optimizer/cost.h" #include "optimizer/pathnode.h" #include "optimizer/paths.h" @@ -122,6 +123,7 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind) rel->subroot = NULL; rel->subplan_params = NIL; rel->fdwroutine = NULL; + rel->fdw_handler = InvalidOid; rel->fdw_private = NULL; rel->baserestrictinfo = NIL; rel->baserestrictcost.startup = 0; @@ -427,6 +429,18 @@ build_join_rel(PlannerInfo *root, sjinfo, restrictlist); /* + * Set FDW handler and routine if both outer and inner relation + * are managed by same FDW driver. + */ + if (OidIsValid(outer_rel->fdw_handler) && + OidIsValid(inner_rel->fdw_handler) && + outer_rel->fdw_handler == inner_rel->fdw_handler) + { + joinrel->fdw_handler = outer_rel->fdw_handler; + joinrel->fdwroutine = GetFdwRoutine(joinrel->fdw_handler); + } + + /* * Add the joinrel to the query's joinrel list, and store it into the * auxiliary hashtable if there is one. NB: GEQO requires us to append * the new joinrel to the end of the list! |