pg_amproc
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pg_amproc
The pg_amproc table stores information about support procedures associated with index access method operator classes. There is one row for each support procedure belonging to an operator class.
| column | type | references | description |
|---|---|---|---|
| oid | oid | Row identifier (hidden attribute; must be explicitly selected) | |
| amprocfamily | oid | pg_opfamily.oid | The operator family this entry is for |
| amproclefttype | oid | pg_type.oid | Left-hand input data type of associated operator |
| amprocrighttype | oid | pg_type.oid | Right-hand input data type of associated operator |
| amprocnum | int2 | Support procedure number | |
| amproc | regproc | pg_proc.oid | OID of the procedure |