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Version: 2025

Managing the HDFS system
HDFS (Hadoop Distributed File System) is one of the component of the Hadoop framework......
UploadDeleteAll (Function)
Clears the list of files to upload: no file will be uploaded on the server.
Managing HFSQL Client/Server files
The HFSQL Control Center allows you to fully manage HFSQL Client/Server data files......
Custom-Folders in the analysis
Several file descriptions can be grouped into a "Custom-Folder"......
ERR_NO_END_TAG
Linking a Combo Box control to a data file
A List Box or Combo Box control can be used to display the content of a data file, to allow a user to select a record, for example......
<Upload>.DeleteAll (Function)
Clears the list of files to upload: no file will be uploaded on the server.
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
HChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
<Source>.Close (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
REP files
REP files contain the list of data files handled by the application....
TableDisplay (Function)
Refreshes a Table or TeeeView Table control from a given position: for a control linked to a file: changes made in the linked data file are reflected in the control. for a control handled programmatically: the calculated columns are re-calculated....
<Table>.Display (Function)
Refreshes a Table or TeeeView Table control from a given position: for a control linked to a file: changes made in the linked data file are reflected in the control. for a control handled programmatically: the calculated columns are re-calculated....
ListView control linked to a data file (or to a query)
A ListView control can be used to display the content of a data file (or the content of a query)......
The Web Camera control
...The Web Camera control is used to view a file that is refreshed at regular time intervals....
List Box control linked to a data file or to a query
A List Box or Combo Box control can be used to display the content of a data file or query, to allow a user to select a record, for example......
Handling Organization Chart controls programmatically
Manipulating controls in a page
The different operations that can be performed on the page controls are as follows......
7. HFSQL: files physically created
LooperDisplay (Function)
Refreshes a Looper control based on a data file from a given position: the modifications performed in the linked file are applied to the looper.
MongoGridFSListFile (Function)
Retrieves the list of MongoDB files found in the MongoDB file system (gridFS).
<mongoGridFS variable>.ListFile (Function)
Retrieves the list of MongoDB files found in the MongoDB file system (gridFS).
<Looper>.Display (Function)
Refreshes a Looper control based on a data file from a given position: the modifications performed in the linked file are applied to the looper.
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