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42.4. 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 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