The catalog pg_amop stores information about operators
associated with index access method operator classes. There is one
row for each operator that is a member of an operator class.
Table 43-4. pg_amop Columns
Name | Type | References | Description |
---|
amopclaid | oid | pg_opclass.oid | The index operator class this entry is for |
amopsubtype | oid | pg_type.oid | Subtype to distinguish multiple entries for one strategy;
zero for default |
amopstrategy | int2 | | Operator strategy number |
amopreqcheck | bool | | Index hit must be rechecked |
amopopr | oid | pg_operator.oid | OID of the operator |