The catalog pg_amproc stores information about support procedures associated with index access method operator classes. There is one row for each support procedure belonging to an operator class.
Tabela 43-5. pg_amproc Columns
| Name | Type | References | Description |
|---|---|---|---|
| amopclaid | oid | pg_opclass.oid | The index operator class this entry is for |
| amprocsubtype | oid | pg_type.oid | Subtype, if cross-type routine, else zero |
| amprocnum | int2 | Support procedure number | |
| amproc | regproc | pg_proc.oid | OID of the procedure |
