dcount

Returns the count of distinct values in a column.

Spec

dcount(arg0)

Parameters

arg0 - The column to count distinct values of.

Return Value

An int64: the number of distinct non-null values.

Example

datatable(val:string)["a", "b", "a", "c", "b"]
| summarize unique_count = dcount(val)

unique_count
3