43.5. pg_amproc

The catalog pg_amproc 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.

Table 43-5. pg_amproc Columns

Name Type References Description
amopclaid oid pg_opclass .oid The index operator class this entry is for
amprocsubtype oid pg_type .oid Subtype, if cross-type routine, else zero
amprocnum int2   Support procedure number
amproc regproc pg_proc .oid OID of the procedure