pyspark.sql.functions.approxCountDistinct¶
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pyspark.sql.functions.approxCountDistinct(col: ColumnOrName, rsd: Optional[float] = None) → pyspark.sql.column.Column[source]¶ New in version 1.3.0.
Changed in version 3.4.0: Supports Spark Connect.
Deprecated since version 2.1.0: Use
approx_count_distinct()instead.