pg_appendonly
The pg_appendonly table contains information about the storage options and other characteristics of append-optimized tables.
| column | type | references | description |
|---|---|---|---|
relid | oid | The table object identifier (OID) of the table. | |
segrelid | oid | Table on-disk segment file id. | |
blkdirrelid | oid | Block used for on-disk column-oriented table file. | |
visimaprelid | oid | Visibility map for the table. | |
version | smallint | AO relation version. |
Parent topic: System Catalogs Definitions