PostgreSQL 9.3 ← 9.2Catalog added
SYSTEM VIEW · System view
pg_matviews
The view pg_matviews provides access to useful information about each materialized view in the database.
Checked column by column against a PostgreSQL 18.6 instance · Raw measurement record ↗
Columns PostgreSQL 18
pg_matviews| COLUMN | TYPE | DESCRIPTION |
|---|---|---|
schemaname |
name |
Name of schema containing materialized viewReferences:pg_namespace.nspname |
matviewname |
name |
Name of materialized viewReferences:pg_class.relname |
matviewowner |
name |
Name of materialized view's ownerReferences:pg_authid.rolname |
tablespace |
name |
Name of tablespace containing materialized view (null if default for database)References:pg_tablespace.spcname |
hasindexes |
booleanDocumented as:bool |
True if materialized view has (or recently had) any indexes |
ispopulated |
booleanDocumented as:bool |
True if materialized view is currently populated |
definition |
text |
Materialized view definition (a reconstructed SELECT query) |
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 0
System attributes PostgreSQL provides, normally not expanded by SELECT *. Kept separately so they are not mixed in with ordinary columns.
| Columns | Type | attnum |
|---|
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
schemaname |
– | – | – | ||||||||||||||
matviewname |
– | – | – | ||||||||||||||
matviewowner |
– | – | – | ||||||||||||||
tablespace |
– | – | – | ||||||||||||||
hasindexes |
– | – | – | ||||||||||||||
ispopulated |
– | – | – | ||||||||||||||
definition |
– | – | – |
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 majorsCompare 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.