Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4
Development Versions: devel
Unsupported versions: 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3

41.4. 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 41-4. 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