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The pg_amop table 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 1. pg_catalog.pg_amop
| column | 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 | smallint | Operator strategy number | |
amopreqcheck | boolean | Index hit must be rechecked | |
amopopr | oid | pg_operator.oid | OID of the operator |
