PostgreSQL 19 ← 18
← Catalog atlas / pg_subscription_rel
SYSTEM CATALOG · System catalog
pg_subscription_rel
The catalog pg_subscription_rel contains the state for each replicated relation in each subscription. This is a many-to-many mapping. This catalog only contains tables known to the subscription after running either CREATE SUBSCRIPTION or ALTER SUBSCRIPTION ... REFRESH PUBLICATION.
Checked column by column against a PostgreSQL 18.6 instance · Raw measurement record ↗
Columns PostgreSQL 18
pg_subscription_relPostgreSQL 19 beta 3 is a preview snapshot; the structure can still change before release.
| COLUMN | TYPE | DESCRIPTION |
|---|---|---|
srsubid |
oidNOT NULL |
Reference to subscriptionReferences:pg_subscription.oid |
srrelid |
oidNOT NULL |
Reference to relationReferences:pg_class.oid |
srsubstate |
"char"NOT NULLDocumented as:char |
State code: i = initialize, d = data is being copied, f = finished table copy, s = synchronized, r = ready (normal replication) |
srsublsn |
pg_lsn |
Remote LSN of the state change used for synchronization coordination when in s or r states, otherwise null |
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 typePresentAdded / type or attribute changeRemoved
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
srsubid |
– | – | – | – | – | – | – | ||||||||||
srrelid |
– | – | – | – | – | – | – | ||||||||||
srsubstate |
– | – | – | – | – | – | – | ||||||||||
srsublsn |
– | – | – | – | – | – | – |
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 13 ← 12
PostgreSQL 10 ← 9.6Catalog added
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.