postgres.git / summary / log / commit / refs

commit    9a6fbc2ac709aa8152e6d5d44a107d2d7c67b6f4
Author:   Robert Haas <rhaas@postgresql.org>
Date:     Tue Sep 29 11:42:30 2015 +0000
First released in: 9.6.0, 9.5.0

    Comment update for join pushdown.
    
    Etsuro Fujita


 src/backend/optimizer/util/pathnode.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c
index 935bc2b9667..4336ca1b782 100644
--- a/src/backend/optimizer/util/pathnode.c
+++ b/src/backend/optimizer/util/pathnode.c
@@ -1449,13 +1449,13 @@ create_worktablescan_path(PlannerInfo *root, RelOptInfo *rel,
 
 /*
  * create_foreignscan_path
- *	  Creates a path corresponding to a scan of a foreign table,
- *	  returning the pathnode.
+ *	  Creates a path corresponding to a scan of a foreign table or
+ *	  a foreign join, returning the pathnode.
  *
  * This function is never called from core Postgres; rather, it's expected
- * to be called by the GetForeignPaths 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.
+ * 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.
  */
 ForeignPath *
 create_foreignscan_path(PlannerInfo *root, RelOptInfo *rel,


[parent: 60fcee9e5e77]