documentationsum¶
Description¶
Calculate the sum of the argument across the group, or of the scalar arguments if more than one.
In the case of the scalar arguments, the function evaluates to null if any of the arguments evaluate to null.
Return type¶
numeric or duration
Domain¶
This is an aggregate function (aggregates rows over a group in aggregate verbs.)
This is a window function (calculates over a group of multiple input rows using windowing.)
Categories¶
Usage¶
sum(value_1, value_2, ...)
Argument |
Type |
Optional |
Repeatable |
Restrictions |
|---|---|---|---|---|
value |
numeric or duration |
no |
yes |
none |