PC SOFT

ONLINE HELP
FOR WINDEV, WEBDEV AND WINDEV MOBILE

Home | Sign in | English US
  • Properties specific to the description of hdfsConnection variables
  • WLanguage functions that use the hdfsConnection type
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Others
Stored procedures
hdfsConnection (Type of variable)
In French: hdfsConnexion
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

Versions 21 and later
hdfsCloseConnection
New in version 21
hdfsCloseConnection
hdfsCloseConnection
Closes a connection to a Hadoop server.
Versions 21 and later
hdfsCopyFrom
New in version 21
hdfsCopyFrom
hdfsCopyFrom
Copies a file found on a Hadoop server to the local computer.
Versions 21 and later
hdfsCopyTo
New in version 21
hdfsCopyTo
hdfsCopyTo
Copies a file located on the local machine to a Hadoop server.
Versions 21 and later
hdfsCreateDirectory
New in version 21
hdfsCreateDirectory
hdfsCreateDirectory
Creates a directory on a Hadoop server.
Versions 21 and later
hdfsDelete
New in version 21
hdfsDelete
hdfsDelete
Deletes a file or directory from a Hadoop server.
Versions 21 and later
hdfsList
New in version 21
hdfsList
hdfsList
Lists the content of a directory found on a Hadoop server.
Versions 21 and later
hdfsOpenConnection
New in version 21
hdfsOpenConnection
hdfsOpenConnection
Opens a connection to a Hadoop server.
Versions 21 and later
hdfsRename
New in version 21
hdfsRename
hdfsRename
Renames a file or a directory found on a Hadoop server.
Minimum required version
  • Version 21
This page is also available for…
Comments
Click [Add] to post a comment