CREATE TABLE bigints(b BIGINT TIME INDEX);

Affected Rows: 0

INSERT INTO bigints values (4611686018427387904), (4611686018427388904), (1);

Affected Rows: 3

SELECT SUM(b) FROM bigints;

+----------------------+
| SUM(bigints.b)       |
+----------------------+
| -9223372036854774807 |
+----------------------+

CREATE TABLE doubles(n DOUBLE, ts BIGINT TIME INDEX);

Affected Rows: 0

INSERT INTO doubles (n, ts) VALUES (9007199254740992, 1), (1, 2), (1, 3), (0, 4);

Affected Rows: 4

SELECT sum(n) from doubles;

+----------------------+
| SUM(doubles.n)       |
+----------------------+
| 9.007199254740992e15 |
+----------------------+

DROP TABLE bigints;

Affected Rows: 1

DROP TABLE doubles;

Affected Rows: 1