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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.
HResetUser (Function)
Initializes the structure for user management (HUser) with the default values.
<Connection variable>.ModifyGroup (Function)
Modifies the group information according to the elements found in the corresponding variables for group management.
HModifyTask (Function)
Modifies a scheduled task on the HFSQL server defined by the connection.
<Connection variable>.InfoServerRights (Function)
Allows you to find out the rights granted to a user or group of users on a server.
<Connection variable>.ModifyServerRights (Function)
Modifies the rights granted to a user or to a group on a HFSQL server.
<Connection variable>.InfoDatabaseRights (Function)
Allows you to find out the rights granted to a user or to a group on a database.
<Connection variable>.AddScheduledBackup (Function)
Adds a scheduling for full backup (with or without differential backup) on the server defined by the connection.
HExecuteProcedure (Function)
Runs a stored procedure.
HUpdateQuery (Function)
Creates or updates a query on an HFSQL server.
HModifyGroup (Function)
Modifies the group information according to the elements found in the corresponding variables for group management.
HAddScheduledBackup (Function)
Adds a scheduling for full backup (with or without differential backup) on the server defined by the connection.
HInfoServerRights (Function)
Allows you to find out the rights granted to a user or group of users on a server.
HModifyServerRights (Function)
Modifies the rights granted to a user or to a group on an HFSQL server.
HInfoDatabaseRights (Function)
Allows you to find out the rights granted to a user or to a group on a database.
HOnServerCall (Function)
Customizes the management of message display on the client computer and the management of disconnection from a client computer.
<Connection variable>.ExecuteScheduledBackup (Function)
Forces the execution of a scheduled backup.
<Connection variable>.InfoUser (Function)
Updates the variables for user management with the information regarding the specified user.
<Connection variable>.DeleteSet (Function)
Deletes a set of stored procedures from an HFSQL server.
HServerWorkingDir (Function)
Returns the path of a temporary directory on the HFSQL server.
Managing the replications of HFSQL servers (Control Center)
The HFSQL Control Center is used to create, configure and manage the replications between HFSQL servers....
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
HExecuteScheduledBackup (Function)
Forces the execution of a scheduled backup.
HInfoUser (Function)
Updates the variables for user management with the information regarding the specified user.
HDeleteSet (Function)
Deletes a set of stored procedures from an HFSQL server.
<Connection variable>.ListStoredElement (Function)
Returns the list of elements stored on an HFSQL server (sets of procedures, stored procedures or queries).
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