diff options
Diffstat (limited to 'src/backend/optimizer')
| -rw-r--r-- | src/backend/optimizer/path/indxpath.c | 8 | ||||
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 3 | ||||
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 4 |
3 files changed, 6 insertions, 9 deletions
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index e9b784bcab9..721a0752018 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -1015,9 +1015,7 @@ build_index_paths(PlannerInfo *root, RelOptInfo *rel, orderbyclauses, orderbyclausecols, useful_pathkeys, - index_is_ordered ? - ForwardScanDirection : - NoMovementScanDirection, + ForwardScanDirection, index_only_scan, outer_relids, loop_count, @@ -1037,9 +1035,7 @@ build_index_paths(PlannerInfo *root, RelOptInfo *rel, orderbyclauses, orderbyclausecols, useful_pathkeys, - index_is_ordered ? - ForwardScanDirection : - NoMovementScanDirection, + ForwardScanDirection, index_only_scan, outer_relids, loop_count, diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 1b118528141..134130476e4 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -3017,6 +3017,9 @@ create_indexscan_plan(PlannerInfo *root, /* it should be a base rel... */ Assert(baserelid > 0); Assert(best_path->path.parent->rtekind == RTE_RELATION); + /* check the scan direction is valid */ + Assert(best_path->indexscandir == ForwardScanDirection || + best_path->indexscandir == BackwardScanDirection); /* * Extract the index qual expressions (stripped of RestrictInfos) from the diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index f2bf68d33be..d749b505785 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -982,9 +982,7 @@ create_samplescan_path(PlannerInfo *root, RelOptInfo *rel, Relids required_outer * 'indexorderbycols' is an integer list of index column numbers (zero based) * the ordering operators can be used with. * 'pathkeys' describes the ordering of the path. - * 'indexscandir' is ForwardScanDirection or BackwardScanDirection - * for an ordered index, or NoMovementScanDirection for - * an unordered index. + * 'indexscandir' is either ForwardScanDirection or BackwardScanDirection. * 'indexonly' is true if an index-only scan is wanted. * 'required_outer' is the set of outer relids for a parameterized path. * 'loop_count' is the number of repetitions of the indexscan to factor into |