pg_am
The pg_am table stores information about index access methods. There is one row for each index access method supported by the system.
| column | type | references | description |
|---|---|---|---|
oid |
oid | Row identifier (hidden attribute; must be explicitly selected) | |
amname |
name | Name of the access method | |
amhandler |
regproc | OID of a handler function responsible for supplying information about the access method | |
amtype |
char | t for table (including materialized views), i for index |
Parent topic: System Catalogs Definitions
