try_divide
Renvoie dividend/divisor. Il effectue toujours une division en virgule flottante. Son résultat est toujours null si divisor est 0. Prend en charge Spark Connect.
Pour la fonction Databricks SQL correspondante, consultez la fonctiontry_divide.
Syntaxe
Python
from pyspark.sql import functions as dbf
dbf.try_divide(left=<left>, right=<right>)
parameter
parameter | Type | Description |
|---|---|---|
|
| dividende |
|
| diviseur |
Exemples
Python
from pyspark.sql import functions as dbf
spark.createDataFrame(
[(6000, 15), (1990, 2), (1234, 0)], ["a", "b"]
).select("*", dbf.try_divide("a", "b")).show()
Output
+----+---+----------------+
| a| b|try_divide(a, b)|
+----+---+----------------+
|6000| 15| 400.0|
|1990| 2| 995.0|
|1234| 0| NULL|
+----+---+----------------+
Python
from pyspark.sql import functions as dbf
df = spark.range(4).select(dbf.make_interval(dbf.lit(1)).alias("itvl"), "id")
df.select("*", dbf.try_divide("itvl", "id")).show()
Output
+-------+---+--------------------+
| itvl| id|try_divide(itvl, id)|
+-------+---+--------------------+
|1 years| 0| NULL|
|1 years| 1| 1 years|
|1 years| 2| 6 months|
|1 years| 3| 4 months|
+-------+---+--------------------+