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Version: 2026

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, ...
Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HOperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on an HFSQL server.
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server tables, the wizard allows you to...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
REST web service: Creating a REST web service
A REST web service is a program hosted on a server. This program contains functionalities accessible via HTTP requests......
Two-level setup
The two-level setup (or multisite setup) combines: a reference network setup deployed on a local network. an HTTP setup used to update the reference setup on the local network....
12. Retrieving data from a website
Modifies the hue, the saturation and the lightness of an image in an Image control....
Setup by stand-alone physical media
A setup by stand-alone physical media allows you to provide a media that contains all the files required for installing and running a site......
ERR_TIMEOUTINIT
Initializes the external language......
SQL: Managing joins (INNER JOIN, OUTER JOIN)
To select records coming from several data files, joins must be used in the SQL query......
Page contexts
In a Windows application, the information relative to a window is stored with the window......
Managing MQTT
MQTT is a "publish-subscribe" messaging protocol based on the TCP/IP protocol......
<Source>.OnError (Function)
Customizes the management of HFSQL errors.
Publishing the replication from ReplicEdit
A replication description created with ReplicEdit can be published from this tool on a replication server......
FTPListFile (Function)
Lists the files (and/or the directories) found in a directory of an FTP server and returns the number of listed files (and/or directories)....
Thread management constants
List of constants used by the functions for managing threads, critical sections, semaphores, mutexes, ......
NetConnect (Function)
Connects to an FTP (File Transfer Protocol) or RPC (Remote Procedure Call) server powered by WINDEV. This function is kept for backward compatibility....
NetDisconnect (Function)
Disconnects from an FTP (File Transfer Protocol) or RPC (Remote Procedure Call) server powered by WINDEV. This function is kept for backward compatibility....
NetStartServer (Function)
Starts an FTP (File Transfer Protocol) or RPC (Remote Procedure Call) server powered by WINDEV. This function is kept for backward compatibility....
emailSMTPSession (Type of variable)
The emailSMTPSession type is used to access a messaging server by using the SMTP protocol (Simple Mail Transfer Protocol) in order to send emails.
<ftpConnection variable>.MakeDir (Function)
Creates a directory on an FTP server (File Transfer Protocol). This new function is available from WINDEV Suite SaaS 2025 Update 2....
<ftpConnection variable>.Command (Function)
Sends a specific FTP command to a server. This new function is available from WINDEV Suite SaaS 2025 - Update 2....