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try_mod

Retourne le reste après dividend/divisor. Son résultat est toujours null s’il divisor est 0. Prend en charge Spark Connect.

Pour obtenir plus de détails sur la fonction SQL de Databricks correspondante, consultez try_mod.

Syntaxe

from pyspark.databricks.sql import functions as dbf

dbf.try_mod(left=<left>, right=<right>)

Paramètres

Paramètre Type Descriptif
left pyspark.sql.Column or column name Dividende
right pyspark.sql.Column or column name Diviseur

Examples

from pyspark.databricks.sql import functions as dbf
spark.createDataFrame(
    [(6000, 15), (3, 2), (1234, 0)], ["a", "b"]
).select("*", dbf.try_mod("a", "b")).show()
+----+---+-------------+
|   a|  b|try_mod(a, b)|
+----+---+-------------+
|6000| 15|            0|
|   3|  2|            1|
|1234|  0|         NULL|
+----+---+-------------+

from pyspark.databricks.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)
+--------------+
|try_mod(id, 0)|
+--------------+
|          NULL|
+--------------+