Functions.SubstringIndex(Column, String, Int32) 方法

定义

命名空间:

Microsoft.Spark.Sql

程序集:

Microsoft.Spark.dll

包:

Microsoft.Spark v1.0.0

在给定分隔符出现之前 count ，返回给定字符串中的子字符串。

public static Microsoft.Spark.Sql.Column SubstringIndex (Microsoft.Spark.Sql.Column column, string delimiter, int count);

static member SubstringIndex : Microsoft.Spark.Sql.Column * string * int -> Microsoft.Spark.Sql.Column

Public Shared Function SubstringIndex (column As Column, delimiter As String, count As Integer) As Column

参数

column

Column

要应用的列

delimiter

String

要查找的分隔符

count

Int32

分隔符的出现次数

返回

Column

Column 对象