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DISTINCTCOUNTMV

This section contains reference documentation for the DISTINCTCOUNTMV function.
Returns the count of distinct row values in a group

Signature

DISTINCTCOUNTMV(colName)

Usage Examples

These examples are based on the Hybrid Quick Start.
The following query returns the documents that have a DivTailNums with more than one value:
select DivTailNums
from airlineStats
where arraylength(DivTailNums) > 1
DivTailNums
N7713A,N7713A
N344AA,N344AA
N344AA,N344AA
N7713A,N7713A
You can count the distinct number of items in these rows by running the following query:
select DISTINCTCOUNTMV(DivTailNums) AS value
from airlineStats
where arraylength(DivTailNums) > 1
value
2