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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:19 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:19 +0000 |
| commit | 31176cd686f31dcb71392f6583f7b8d9cef63770 (patch) | |
| tree | 27fefbaada5177e179c6cf8806be49dfe613d5f4 /src/backend/parser/parse_merge.c | |
| parent | Adding upstream version 16.2. (diff) | |
| download | postgresql-16-upstream.tar.xz postgresql-16-upstream.zip | |
Adding upstream version 16.3.upstream/16.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/backend/parser/parse_merge.c')
| -rw-r--r-- | src/backend/parser/parse_merge.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/parser/parse_merge.c b/src/backend/parser/parse_merge.c index 91b1156..bf62466 100644 --- a/src/backend/parser/parse_merge.c +++ b/src/backend/parser/parse_merge.c @@ -133,7 +133,11 @@ transformMergeStmt(ParseState *pstate, MergeStmt *stmt) int when_type = (mergeWhenClause->matched ? 0 : 1); /* - * Collect action types so we can check target permissions + * Collect permissions to check, according to action types. We require + * SELECT privileges for DO NOTHING because it'd be irregular to have + * a target relation with zero privileges checked, in case DO NOTHING + * is the only action. There's no damage from that: any meaningful + * MERGE command requires at least some access to the table anyway. */ switch (mergeWhenClause->commandType) { @@ -147,6 +151,7 @@ transformMergeStmt(ParseState *pstate, MergeStmt *stmt) targetPerms |= ACL_DELETE; break; case CMD_NOTHING: + targetPerms |= ACL_SELECT; break; default: elog(ERROR, "unknown action in MERGE WHEN clause"); |