diff options
| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2022-10-24 12:52:43 +0200 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2022-10-24 12:52:43 +0200 |
| commit | fb2a83b2b750a32ddfd107a75a3bc173f4f0a81f (patch) | |
| tree | c509bb1109ab06e6d50812b0c8771e22657e9eea /src/backend/optimizer/util/appendinfo.c | |
| parent | 4a6de748d3429cfa081942c46411d62341867bfd (diff) | |
Update some comments that should've covered MERGE
Oversight in 7103ebb7aae8. Backpatch to 15.
Author: Richard Guo <guofenglinux@gmail.com>
Discussion: https://postgr.es/m/CAMbWs48gnDjZXq3-b56dVpQCNUJ5hD9kdtWN4QFwKCEapspNsA@mail.gmail.com
Diffstat (limited to 'src/backend/optimizer/util/appendinfo.c')
| -rw-r--r-- | src/backend/optimizer/util/appendinfo.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/optimizer/util/appendinfo.c b/src/backend/optimizer/util/appendinfo.c index 9d4bb470270..38f51b6607b 100644 --- a/src/backend/optimizer/util/appendinfo.c +++ b/src/backend/optimizer/util/appendinfo.c @@ -748,7 +748,7 @@ find_appinfos_by_relids(PlannerInfo *root, Relids relids, int *nappinfos) /* * add_row_identity_var - * Register a row-identity column to be used in UPDATE/DELETE. + * Register a row-identity column to be used in UPDATE/DELETE/MERGE. * * The Var must be equal(), aside from varno, to any other row-identity * column with the same rowid_name. Thus, for example, "wholerow" @@ -927,8 +927,8 @@ add_row_identity_columns(PlannerInfo *root, Index rtindex, * distribute_row_identity_vars * * After we have finished identifying all the row identity columns - * needed by an inherited UPDATE/DELETE query, make sure that these - * columns will be generated by all the target relations. + * needed by an inherited UPDATE/DELETE/MERGE query, make sure that + * these columns will be generated by all the target relations. * * This is more or less like what build_base_rel_tlists() does, * except that it would not understand what to do with ROWID_VAR Vars. |