ltrim
Trim the spaces from left end for the specified string value.
For the corresponding Databricks SQL function, see ltrim function.
Syntax
Python
from pyspark.sql import functions as dbf
dbf.ltrim(col=<col>, trim=<trim>)
Parameters
Parameter | Type | Description |
|---|---|---|
|
| target column to work on. |
|
| The trim string characters to trim, the default value is a single space. Added in Databricks Runtime 16.1 |
Returns
pyspark.sql.Column: left trimmed values.
Examples
Python
from pyspark.sql import functions as dbf
df = spark.createDataFrame([" Spark", "Spark ", " Spark"], "STRING")
df.select("*", dbf.ltrim("value")).show()
df = spark.createDataFrame(["***Spark", "Spark**", "*Spark"], "STRING")
df.select("*", dbf.ltrim("value", dbf.lit("*"))).show()
df = spark.createDataFrame([("**Spark*", "*"), ("==Spark=", "=")], ["value", "t"])
df.select("*", dbf.ltrim("value", "t")).show()