const github.com/jackc/pgtype.VarcharOID

5 uses

	github.com/jackc/pgtype (current package)
		pgtype.go#L57: 	VarcharOID          = 1043
		pgtype.go#L319: 	ci.RegisterDataType(DataType{Value: &Varchar{}, Name: "varchar", OID: VarcharOID})
		pgtype.go#L760: 			case TextOID, VarcharOID:
		pgtype.go#L785: 			case ByteaOID, TextOID, VarcharOID, JSONOID:

	github.com/jackc/pgx/v4/stdlib
		sql.go#L470: 	case pgtype.VarcharOID, pgtype.BPCharArrayOID: