diff options
| author | Peter Eisentraut <peter@eisentraut.org> | 2024-11-21 13:50:18 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2024-11-21 13:50:18 +0100 |
| commit | 79b575d3bc09cc67a7b5c2da454aeb35f4beccc5 (patch) | |
| tree | 8305b53045cc839112ae67188a650bd6e173d6d4 /src/backend/commands/tablecmds.c | |
| parent | da94e871e8877d1f1054277b24b604bf1c0036a6 (diff) | |
Fix ALTER TABLE / REPLICA IDENTITY for temporal tables
REPLICA IDENTITY USING INDEX did not accept a GiST index. This should
be allowed when used as a temporal primary key.
Author: Paul Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/04579cbf-b134-45e1-8f2d-8c54c849c1ee@illuminatedcomputing.com
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index c632d1e8245..f53129a1c48 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -17296,9 +17296,14 @@ ATExecReplicaIdentity(Relation rel, ReplicaIdentityStmt *stmt, LOCKMODE lockmode errmsg("\"%s\" is not an index for table \"%s\"", RelationGetRelationName(indexRel), RelationGetRelationName(rel)))); - /* The AM must support uniqueness, and the index must in fact be unique. */ - if (!indexRel->rd_indam->amcanunique || - !indexRel->rd_index->indisunique) + /* + * The AM must support uniqueness, and the index must in fact be unique. + * If we have a WITHOUT OVERLAPS constraint (identified by uniqueness + + * exclusion), we can use that too. + */ + if ((!indexRel->rd_indam->amcanunique || + !indexRel->rd_index->indisunique) && + !(indexRel->rd_index->indisunique && indexRel->rd_index->indisexclusion)) ereport(ERROR, (errcode(ERRCODE_WRONG_OBJECT_TYPE), errmsg("cannot use non-unique index \"%s\" as replica identity", |