PostgreSQL 7.4beta4 Documentation
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# 44.4. `pg_amop`

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 44-4. `pg_amop` Columns

Name | Type | References | Description
--- | --- | --- | ---
`amopclaid` | `oid` | `pg_opclass`.oid | The index operator class this entry is for
`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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