PostgreSQL 9.4.26 Documentation
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# 48.61. `pg_matviews`

The view `pg_matviews` provides access to useful information about each materialized view in the database.

Table 48-62. `pg_matviews` Columns

Name | Type | References | Description
--- | --- | --- | ---
`schemaname` | `name` | ``pg_namespace`.nspname` | Name of schema containing materialized view
`matviewname` | `name` | ``pg_class`.relname` | Name of materialized view
`matviewowner` | `name` | ``pg_authid`.rolname` | Name of materialized view's owner
`tablespace` | `name` | ``pg_tablespace`.spcname` | Name of tablespace containing materialized view (null if default for database)
`hasindexes` | `boolean` |  | True if materialized view has (or recently had) any indexes
`ispopulated` | `boolean` |  | True if materialized view is currently populated
`definition` | `text` |  | Materialized view definition (a reconstructed `SELECT` query)

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