const github.com/jackc/pgtype.DateOID

5 uses

	github.com/jackc/pgtype (current package)
		pgtype.go#L58: 	DateOID             = 1082
		pgtype.go#L283: 	ci.RegisterDataType(DataType{Value: &Date{}, Name: "date", OID: DateOID})

	github.com/jackc/pgx/v4/stdlib
		sql.go#L92: 		pgtype.DateOID:        1,
		sql.go#L512: 	case pgtype.DateOID, pgtype.TimestampOID, pgtype.TimestamptzOID:
		sql.go#L562: 			case pgtype.DateOID: