| PostgreSQL 8.1.8 Documentation | ||||
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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 42-4. 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 |
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