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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
Restoring an HFSQL Client/Server database
A backup of an HFSQL Client/Server database can be restored at any time...
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to...
HFSQL Client/Server: Overview
You have the ability to create applications that access the HFSQL Client/Server databases...
User Groupware and Client/Server data files
An application using User Groupware can be used with a HyperFileSQL database in Client/Server mode...
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features...
User Groupware and Client/Server data files
An application that uses the User Groupware can be used with an HFSQL database in Client/Server mode...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed...
HFSQL Client/Server functions
Several HFSQL functions are used to manage the HFSQL Client/Server data...
HCheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
<HFSQL connection>.CheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing...
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
HCheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
HSendMessageToClient (Function)
Displays a message on the client computers.
Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything.
For example:
  • a scheduled task may fail,
  • an automatic backup may fail,
  • a node may become inactive in an HFSQL cluster, ...
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
HStatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
<Connection variable>.SendMessageToClient (Function)
Displays a message on the client computers.
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
WDLog: Backup of HFSQL data files
WDLog allows you to save all the HFSQL data files used by a WINDEV or WEBDEV application...
<Source>.CheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
<HFSQL connection>.ReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
<Connection variable>.DeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
Transactions in SQL
Starting with version 21, you can manage transactions in SQL code......
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HDeleteGroup (Function)
Deletes (from the server) a group of users associated with a connection.
HDeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
HCancelBackup (Function)
Cancels a current backup.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
<Connection variable>.AddTask (Function)
Adds a scheduled task on the server defined by the connection.
<Connection variable>.ModifyScheduledBackup (Function)
Modifies a backup scheduling.
<Connection variable>.DeleteBackup (Function)
Deletes a backup previously created with HBackup.
HAddTask (Function)
Adds a scheduled task on the server defined by the connection.
HModifyScheduledBackup (Function)
Modifies a backup scheduling.
HDeleteBackup (Function)
Deletes a backup previously created with HBackup.
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server......
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
<Connection variable>.StopServer (Function)
Stops an HFSQL server.
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
<Source>.Track (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
<Source>.TrackStop (Function)
Stops tracking a data file on an HFSQL server.
HInfoLog (Function)
Returns information about the server logs.
<Connection variable>.DeleteServerTrigger (Function)
Deletes a server trigger.
<Connection variable>.DescribeServerTrigger (Function)
Adds or modifies a server trigger.
<Connection variable>.EndNoDatabaseAccess (Function)
Re-allows the access (which means the connection) to one or more databases accessible via a connection.
<Connection variable>.InfoViewRights (Function)
Allows you to find out the rights granted to a user or to a group on an SQL view or on a materialized view.