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
| 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 |
