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42.5. 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 42-5. pg_amproc Columns

NameTypeReferencesDescription
amopclaidoidpg_opclass.oidThe index operator class this entry is for
amprocsubtypeoidpg_type.oidSubtype, if cross-type routine, else zero
amprocnumint2 Support procedure number
amprocregprocpg_proc.oidOID of the procedure