try_mod
Renvoie le reste après dividend/divisor. Son résultat est toujours nul si divisor est 0. Prend en charge Spark Connect.
Pour la fonction Databricks SQL correspondante, consultez la fonctiontry_mod.
Syntaxe
Python
from pyspark.sql import functions as dbf
dbf.try_mod(left=<left>, right=<right>)
parameter
parameter | Type | Description |
|---|---|---|
|
| dividende |
|
| diviseur |
Exemples
Python
from pyspark.sql import functions as dbf
spark.createDataFrame(
[(6000, 15), (3, 2), (1234, 0)], ["a", "b"]
).select("*", dbf.try_mod("a", "b")).show()
Output
+----+---+-------------+
| a| b|try_mod(a, b)|
+----+---+-------------+
|6000| 15| 0|
| 3| 2| 1|
|1234| 0| NULL|
+----+---+-------------+
Python
from pyspark.sql import functions as dbf
origin = spark.conf.get("spark.sql.ansi.enabled")
spark.conf.set("spark.sql.ansi.enabled", "true")
try:
spark.range(1).select(dbf.try_mod("id", dbf.lit(0))).show()
finally:
spark.conf.set("spark.sql.ansi.enabled", origin)
Output
+--------------+
|try_mod(id, 0)|
+--------------+
| NULL|
+--------------+