diff options
Diffstat (limited to 'src/backend/optimizer/util/relnode.c')
| -rw-r--r-- | src/backend/optimizer/util/relnode.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index 56235663d7f..1d635cd6d21 100644 --- a/src/backend/optimizer/util/relnode.c +++ b/src/backend/optimizer/util/relnode.c @@ -14,7 +14,6 @@ */ #include "postgres.h" -#include "foreign/fdwapi.h" #include "optimizer/cost.h" #include "optimizer/pathnode.h" #include "optimizer/paths.h" @@ -122,8 +121,8 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind) rel->subplan = NULL; rel->subroot = NULL; rel->subplan_params = NIL; + rel->serverid = InvalidOid; rel->fdwroutine = NULL; - rel->fdw_handler = InvalidOid; rel->fdw_private = NULL; rel->baserestrictinfo = NIL; rel->baserestrictcost.startup = 0; @@ -385,6 +384,7 @@ build_join_rel(PlannerInfo *root, joinrel->subplan = NULL; joinrel->subroot = NULL; joinrel->subplan_params = NIL; + joinrel->serverid = InvalidOid; joinrel->fdwroutine = NULL; joinrel->fdw_private = NULL; joinrel->baserestrictinfo = NIL; @@ -394,6 +394,17 @@ build_join_rel(PlannerInfo *root, joinrel->has_eclass_joins = false; /* + * Set up foreign-join fields if outer and inner relation are foreign + * tables (or joins) belonging to the same server. + */ + if (OidIsValid(outer_rel->serverid) && + inner_rel->serverid == outer_rel->serverid) + { + joinrel->serverid = outer_rel->serverid; + joinrel->fdwroutine = outer_rel->fdwroutine; + } + + /* * Create a new tlist containing just the vars that need to be output from * this join (ie, are needed for higher joinclauses or final output). * @@ -429,18 +440,6 @@ 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! |