Counts the events or non-null grouped values.
count(xs:list) -> intDescription
Section titled “Description”The count function returns the number of non-null values in xs. When used
without arguments, it counts the total number of events.
xs: list
Section titled “xs: list”The values to count.
Examples
Section titled “Examples”Count the number of non-null values
Section titled “Count the number of non-null values”from {x: 1}, {x: null}, {x: 2}summarize total=count(x){total: 2}