43.4. 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 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