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Returns null if col is equal to zero, or col otherwise.
For the corresponding Databricks SQL function, see nullifzero function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.nullifzero(col=<col>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
The column to check. |
Examples
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(0,), (1,)], ["a"])
df.select('*', dbf.nullifzero(df.a)).show()
+---+-------------+
| a|nullifzero(a)|
+---+-------------+
| 0| NULL|
| 1| 1|
+---+-------------+