diff options
Diffstat (limited to 'src/backend/optimizer/util/pathnode.c')
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index 8f089c59884..675e47cdd01 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -1819,10 +1819,13 @@ create_worktablescan_path(PlannerInfo *root, RelOptInfo *rel, * This function is never called from core Postgres; rather, it's expected * to be called by the GetForeignPaths or GetForeignJoinPaths function of * a foreign data wrapper. We make the FDW supply all fields of the path, - * since we do not have any way to calculate them in core. + * since we do not have any way to calculate them in core. However, there + * is a sane default for the pathtarget (rel->reltarget), so we let a NULL + * for "target" select that. */ ForeignPath * create_foreignscan_path(PlannerInfo *root, RelOptInfo *rel, + PathTarget *target, double rows, Cost startup_cost, Cost total_cost, List *pathkeys, Relids required_outer, @@ -1833,7 +1836,7 @@ create_foreignscan_path(PlannerInfo *root, RelOptInfo *rel, pathnode->path.pathtype = T_ForeignScan; pathnode->path.parent = rel; - pathnode->path.pathtarget = rel->reltarget; + pathnode->path.pathtarget = target ? target : rel->reltarget; pathnode->path.param_info = get_baserel_parampathinfo(root, rel, required_outer); pathnode->path.parallel_aware = false; |