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Returns the value of the bit (0 or 1) at the specified position. The positions are numbered from right to left, starting at zero. The position argument cannot be negative.
For the corresponding Databricks SQL function, see bit_get function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.bit_get(col=<col>, pos=<pos>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
target column to compute on. |
pos |
pyspark.sql.Column or str |
The positions are numbered from right to left, starting at zero. |
Returns
pyspark.sql.Column: the value of the bit (0 or 1) at the specified position.
Examples
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([[1],[2],[3],[None]], ["value"])
df.select("*", dbf.bit_get("value", dbf.lit(1))).show()
df = spark.createDataFrame([[1,2],[2,1],[3,None],[None,1]], ["value", "pos"])
df.select("*", dbf.bit_get(df.value, "pos")).show()