count¶
Description¶
Count the number of non-null items in the group.
Return type¶
int64
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¶
count( [ item ] ... )
Argument |
Type |
Required |
Multiple |
---|---|---|---|
item |
variant |
Optional |
Can be multiple |