MOVING_COUNT_DISTINCT
Description
This function counts the distinct values for each window. It can be applied to any data type.
Syntax
MOVING_COUNT_DISTINCT ( table.column, start, end )
NULL handling
NULL values are not counted. If all values of a group are NULL, the result for this group is 0.
Examples
[1] Count of distinct values for current row and one row above. | ||||||||||||||||||||||||||||
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[2] Count of distinct values for current row and one row above with null values. | ||||||||||||||||||||||||||||
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[3] Count of distinct values for current row and one row above. A FILTER is applied, such that only rows with an INCOME value less than 400 are taken into account. | ||||||||||||||||||||||||
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