COUNT_ DISTINCT_ ACCUMULATE
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For a collection of values, it creates a new HyperLogLog state and returns a value representing the new state.
APPROX_COUNT_DISTINCT_ACCUMULATE ( expr )
An expression evaluating to a scalar value.
expr is typically the name of a column.
APPROX_ uses values in the column to create a new HyperLogLog state.
This function is used in conjunction with
Last modified: November 29, 2022