pyspark.sql.functions.bitmap_construct_agg

pyspark.sql.functions.bitmap_construct_agg(col)

Returns a bitmap with the positions of the bits set from all the values from the input column. The input column will most likely be bitmap_bit_position().

New in version 3.5.0.

Parameters

colColumn or column name

The input column will most likely be bitmap_bit_position().

See also

pyspark.sql.functions.bitmap_bit_position()

pyspark.sql.functions.bitmap_bucket_number()

pyspark.sql.functions.bitmap_count()

pyspark.sql.functions.bitmap_or_agg()

Examples

>>> from pyspark.sql import functions as sf
>>> df = spark.createDataFrame([(1,),(2,),(3,)], ["a"])
>>> df.select(
...     sf.bitmap_construct_agg(sf.bitmap_bit_position('a'))
... ).show()
+--------------------------------------------+
|bitmap_construct_agg(bitmap_bit_position(a))|
+--------------------------------------------+
|                        [07 00 00 00 00 0...|
+--------------------------------------------+