SELECT SUM(number) FROM numbers;

+---------------------+
| sum(numbers.number) |
+---------------------+
| 4950                |
+---------------------+

SELECT SUM(1) FROM numbers;

+---------------+
| sum(Int64(1)) |
+---------------+
| 100           |
+---------------+

SELECT SUM(-1) FROM numbers;

+----------------+
| sum(Int64(-1)) |
+----------------+
| -100           |
+----------------+

SELECT SUM(-1) FROM numbers WHERE number=-1;

+----------------+
| sum(Int64(-1)) |
+----------------+
|                |
+----------------+

SELECT SUM(-1) FROM numbers WHERE number>10000 limit 1000;

+----------------+
| sum(Int64(-1)) |
+----------------+
|                |
+----------------+

CREATE TABLE bigints(b bigint, ts TIMESTAMP TIME INDEX);

Affected Rows: 0

INSERT INTO bigints values (4611686018427387904, 1), (4611686018427388904, 2), (1, 3);

Affected Rows: 3

SELECT SUM(b) FROM bigints;

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

CREATE TABLE doubles(n DOUBLE, ts TIMESTAMP 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)     |
+--------------------+
| 9007199254740992.0 |
+--------------------+

DROP TABLE bigints;

Affected Rows: 0

DROP TABLE doubles;

Affected Rows: 0