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)