PG_SET

PG_SET records metadata defined by the SET data type.

Table 1 PG_SET columns

Name	Type	Description
settypid	oid	OID of the SET data type.
setnum	int1	Number of members of the SET data type. The maximum value is 64.
setsortorder	int1	Sort-order positions of members when the SET data type is defined. The members are numbered from 0.
setlabel	text	Member name of the SET data type.