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DISTINCTCOUNTHLLMV

This section contains reference documentation for the DISTINCTCOUNTHLLMV function.
Returns an approximate distinct count using HyperLogLog in a group

Signature

DISTINCTCOUNTHLLMV(colName)

Usage Examples

These examples are based on the Hybrid Quick Start.
select DISTINCTCOUNTHLLMV(DivLongestGTimes) AS value
from airlineStats
where arraylength(DivLongestGTimes) > 1
value
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