diff options
Diffstat (limited to 'src/backend/optimizer/path/pathkeys.c')
| -rw-r--r-- | src/backend/optimizer/path/pathkeys.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/backend/optimizer/path/pathkeys.c b/src/backend/optimizer/path/pathkeys.c index 75fe03fd04b..91556910aec 100644 --- a/src/backend/optimizer/path/pathkeys.c +++ b/src/backend/optimizer/path/pathkeys.c @@ -2383,16 +2383,16 @@ pathkeys_useful_for_ordering(PlannerInfo *root, List *pathkeys) * Count the number of pathkeys that are useful for grouping (instead of * explicit sort) * - * Group pathkeys could be reordered to benefit from the odering. The ordering - * may not be "complete" and may require incremental sort, but that's fine. So - * we simply count prefix pathkeys with a matching group key, and stop once we - * find the first pathkey without a match. + * Group pathkeys could be reordered to benefit from the ordering. The + * ordering may not be "complete" and may require incremental sort, but that's + * fine. So we simply count prefix pathkeys with a matching group key, and + * stop once we find the first pathkey without a match. * * So e.g. with pathkeys (a,b,c) and group keys (a,b,e) this determines (a,b) * pathkeys are useful for grouping, and we might do incremental sort to get * path ordered by (a,b,e). * - * This logic is necessary to retain paths with ordeding not matching grouping + * This logic is necessary to retain paths with ordering not matching grouping * keys directly, without the reordering. * * Returns the length of pathkey prefix with matching group keys. |