Summary
The catalog pg_default_acl stores initial privileges to be assigned to newly created objects.
(Description quoted from the official PostgreSQL documentation.)
Columns
The pg_default_acl system catalog exposes the following columns (names, types and descriptions are taken verbatim from the PostgreSQL documentation):
oidoid
Row identifierdefaclroleoidreferencespg_authid.oid
The OID of the role associated with this entrydefaclnamespaceoidreferencespg_namespace.oid
The OID of the namespace associated with this entry, or zero if nonedefaclobjtypechar
Type of object this entry is for: r = relation (table, view), S = sequence, f = function, T = type, n = schema, L = large objectdefaclaclaclitem[]
Access privileges that this type of object should have on creation
Related catalogs
This object references the following other system catalogs:
defaclrole→pg_authiddefaclnamespace→pg_namespace
Version applicability
Present in PostgreSQL 17, 18, 19 (verified against each release’s documentation). This is a long-standing system object that also exists in earlier PostgreSQL releases.
Related & references
Reference: PostgreSQL documentation — pg_default_acl.