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| author | Peter Eisentraut <peter@eisentraut.org> | 2021-01-30 19:14:31 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2021-01-30 19:44:29 +0100 |
| commit | dfb75e478cacb33d277432e0df5e2f9a2a2b52d9 (patch) | |
| tree | f22b9b6f1d6b5238ba2cfb23560a843d81f12821 /src/include/catalog/pg_class.h | |
| parent | 65330622441d7ee08f768c4326825ae903f2595a (diff) | |
| download | postgresql-dfb75e478cacb33d277432e0df5e2f9a2a2b52d9.tar.gz | |
Add primary keys and unique constraints to system catalogs
For those system catalogs that have a unique indexes, make a primary
key and unique constraint, using ALTER TABLE ... PRIMARY KEY/UNIQUE
USING INDEX.
This can be helpful for GUI tools that look for a primary key, and it
might in the future allow declaring foreign keys, for making schema
diagrams.
The constraint creation statements are automatically created by
genbki.pl from DECLARE_UNIQUE_INDEX directives. To specify which one
of the available unique indexes is the primary key, use the new
directive DECLARE_UNIQUE_INDEX_PKEY instead. By convention, we
usually make a catalog's OID column its primary key, if it has one.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/dc5f44d9-5ec1-a596-0251-dadadcdede98@2ndquadrant.com
Diffstat (limited to 'src/include/catalog/pg_class.h')
| -rw-r--r-- | src/include/catalog/pg_class.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/catalog/pg_class.h b/src/include/catalog/pg_class.h index e8dcd15a55..eca306ca98 100644 --- a/src/include/catalog/pg_class.h +++ b/src/include/catalog/pg_class.h @@ -152,7 +152,7 @@ CATALOG(pg_class,1259,RelationRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(83,Relat */ typedef FormData_pg_class *Form_pg_class; -DECLARE_UNIQUE_INDEX(pg_class_oid_index, 2662, on pg_class using btree(oid oid_ops)); +DECLARE_UNIQUE_INDEX_PKEY(pg_class_oid_index, 2662, on pg_class using btree(oid oid_ops)); #define ClassOidIndexId 2662 DECLARE_UNIQUE_INDEX(pg_class_relname_nsp_index, 2663, on pg_class using btree(relname name_ops, relnamespace oid_ops)); #define ClassNameNspIndexId 2663 |