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  • Properties specific to the description of hdfsConnection variables
  • WLanguage functions that use the hdfsConnection type
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Stored procedures
The hdfsConnection type is used to define the advanced characteristics of a connection to the Hadoop file system (HDFS). The characteristics of this connection can be defined and modified by several WLanguage properties.
Note: See Declaring a variable for more details.
Versions 22 and later
WEBDEV - Server codeWindowsLinux This type of variable is now available for the WEBDEV sites.
New in version 22
WEBDEV - Server codeWindowsLinux This type of variable is now available for the WEBDEV sites.
WEBDEV - Server codeWindowsLinux This type of variable is now available for the WEBDEV sites.
Example
// Connection
MyConnection is hdfsConnection
MyConnection..namenode = "MyServer"
MyConnection..User = "Admin"
IF hdfsOpenConnection(MyConnection) = False THEN
Error(ErrorInfo())
END
Remarks

Properties specific to the description of hdfsConnection variables

The following properties can be used to handle a connection:
Property nameType usedEffect
namenodeCharacter stringDNS name or IP address of "Name Node" (server) of Hadoop cluster.
UserCharacter stringName of user.

Note: These properties can be handled by using one of the following syntaxes:
  • <Variable name>..<Property name>
  • <Variable name>.<Property name>

WLanguage functions that use the hdfsConnection type

Minimum required version
  • Version 21
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