Functions.Lower(Column) 方法

定义

命名空间:

Microsoft.Spark.Sql

程序集:

Microsoft.Spark.dll

包:

Microsoft.Spark v1.0.0

将字符串列转换为小写。

public static Microsoft.Spark.Sql.Column Lower (Microsoft.Spark.Sql.Column column);

static member Lower : Microsoft.Spark.Sql.Column -> Microsoft.Spark.Sql.Column

Public Shared Function Lower (column As Column) As Column

参数

column

Column

要应用的列

返回

Column

Column 对象