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Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 5ecf9f40658..f7a8dae3c64 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -5850,6 +5850,9 @@ make_incrementalsort(Plan *lefttree, int numCols, int nPresortedCols, * * Returns the node which is to be the input to the Sort (either lefttree, * or a Result stacked atop lefttree). + * + * Note: Restrictions on what expressions are safely sortable may also need to + * be added to find_em_expr_usable_for_sorting_rel. */ static Plan * prepare_sort_from_pathkeys(Plan *lefttree, List *pathkeys, |