diff options
| author | Peter Eisentraut <peter@eisentraut.org> | 2024-01-24 15:43:41 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2024-01-24 16:34:37 +0100 |
| commit | 46a0cd4cefb4d9b462d8cc4df5e7ecdd190bea92 (patch) | |
| tree | ccbcef511474ad69dd7472f0a35fe7813e47d909 /src/backend/utils/adt/ruleutils.c | |
| parent | 74a73063106583b1f49274a2cd1df42e35107361 (diff) | |
Add temporal PRIMARY KEY and UNIQUE constraints
Add WITHOUT OVERLAPS clause to PRIMARY KEY and UNIQUE constraints.
These are backed by GiST indexes instead of B-tree indexes, since they
are essentially exclusion constraints with = for the scalar parts of
the key and && for the temporal part.
Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: jian he <jian.universality@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+renyUApHgSZF9-nd-a0+OPGharLQLO=mDHcY4_qQ0+noCUVg@mail.gmail.com
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index 0b2a164057b..b625f471a84 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -2380,6 +2380,8 @@ pg_get_constraintdef_worker(Oid constraintId, bool fullCommand, Anum_pg_constraint_conkey); keyatts = decompile_column_index_array(val, conForm->conrelid, &buf); + if (conForm->conwithoutoverlaps) + appendStringInfoString(&buf, " WITHOUT OVERLAPS"); appendStringInfoChar(&buf, ')'); |