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| author | Robert Haas <rhaas@postgresql.org> | 2015-09-29 07:42:30 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2015-09-29 07:50:36 -0400 |
| commit | 9a6fbc2ac709aa8152e6d5d44a107d2d7c67b6f4 (patch) | |
| tree | 03f88c61c1b54ca5e3a23f1b9fa27190b17d6fa3 /src | |
| parent | 60fcee9e5e77dc748a9787fae34328917683b95e (diff) | |
| download | postgresql-9a6fbc2ac709aa8152e6d5d44a107d2d7c67b6f4.tar.gz postgresql-9a6fbc2ac709aa8152e6d5d44a107d2d7c67b6f4.zip | |
Comment update for join pushdown.
Etsuro Fujita
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 10 |
1 files 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, |