PostgreSQL 18 ← 17
SYSTEM CATALOG · System catalog
pg_default_acl
The catalog pg_default_acl stores initial privileges to be assigned to newly created objects.
Checked column by column against a PostgreSQL 18.6 instance · Raw measurement record ↗
Columns PostgreSQL 18
pg_default_acl| COLUMN | TYPE | DESCRIPTION |
|---|---|---|
oid |
oidNOT NULL |
Row identifier |
defaclrole |
oidNOT NULL |
The OID of the role associated with this entryReferences:pg_authid.oid |
defaclnamespace |
oidNOT NULL |
The OID of the namespace associated with this entry, or zero if noneReferences:pg_namespace.oid |
defaclobjtype |
"char"NOT NULLDocumented as:char |
Type of object this entry is for: r = relation (table, view), S = sequence, f = function, T = type, n = schema, L = large object |
defaclacl |
aclitem[]NOT NULL |
Access privileges that this type of object should have on creation |
Columns marked "implicit" are not included in SELECT *; some early statistics views are completed from same-version source, and the extra provenance is shown in the column description.
Common system columns 6
System attributes PostgreSQL provides, normally not expanded by SELECT *. Kept separately so they are not mixed in with ordinary columns.
| Columns | Type | attnum |
|---|---|---|
tableoid | oid | -6 |
cmax | cid | -5 |
xmax | xid | -4 |
cmin | cid | -3 |
xmin | xid | -2 |
ctid | tid | -1 |
Column evolution matrix
Hover a cell for the column type| COLUMN | 9.0 | 9.1 | 9.2 | 9.3 | 9.4 | 9.5 | 9.6 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
oid |
|||||||||||||||||
defaclrole |
|||||||||||||||||
defaclnamespace |
|||||||||||||||||
defaclobjtype |
|||||||||||||||||
defaclacl |
9.0 is the coverage baseline; a column already present in the baseline is not marked as added. The matrix aligns columns by name, so a rename appears as the old column removed and a new column added.
Evolution timeline
Changes between adjacent majorsPostgreSQL 14 ← 13
PostgreSQL 12 ← 11
PostgreSQL 10 ← 9.6
PostgreSQL 9.3 ← 9.2
PostgreSQL 9.2 ← 9.1
Compare any two versions
Pick two versions to see added, removed, and retyped columns. The interactive comparison needs JavaScript; the evolution timeline reads fine without it.