count_distinct_exact¶
Description¶
Count the exact number of distinct values in the input using complete enumeration.
This is more precise, but slower than count_distinct.
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_distinct_exact(item_1, item_2, ...)
| Argument | Type | Optional | Repeatable | Restrictions | 
|---|---|---|---|---|
| item | storable | no | yes | none | 
Aliases¶
countdistinctexact (deprecated)