Uttryck

Parsar uttryckssträngen i den kolumn som den representerar. Stöder Spark Connect.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.expr(str=<str>)

Parameterar

Retur

pyspark.sql.Column: kolumn som representerar uttrycket.

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([["Alice"], ["Bob"]], ["name"])
df.select("*", dbf.expr("length(name)")).show()

+-----+------------+
| name|length(name)|
+-----+------------+
|Alice|           5|
|  Bob|           3|
+-----+------------+