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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

NameTypeReferencesDescription
amopclaidoidpg_opclass.oidThe index operator class this entry is for
amopsubtypeoidpg_type.oidSubtype to distinguish multiple entries for one strategy; zero for default
amopstrategyint2 Operator strategy number
amopreqcheckbool Index hit must be rechecked
amopoproidpg_operator.oidOID of the operator