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Version: 2026

Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic data file...
Implementing the log process in an application
Regardless of the data files used by your application (HFSQL Classic or HFSQL Client/Server), the log process can be implemented on these data files...
The log process
A log is a special file that contains the history of all changes made to one or more data files over a given period of time (date the file was created, last automatic data modification, last backup created with WDLog, etc.)
WDLog: Restore a data file from its log file
WDLog is used to apply to a backup of a data file the different operations saved in the log of this file...
WDLog: View a log file
WDLog is used to view the content of a log file...
Structure of log files (HFSQL Client/Server)
The following files are automatically created when logging an HFSQL Client/Server data file...
Log (Function)
Calculates the decimal logarithm of a numeric value.
<Source>.LogRestart (Function)
Restarts the logging process on a file.
ServiceWriteEventLog (Function)
Writes an event into the log of Windows events.
HInfoLog (Function)
Returns information about the server logs.
<Connection variable>.RetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
HRegenerateFile (Function)
Regenerates a data file from its log.
HHistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
HSetLog (Function)
Enables or disables log management on a file.
<Source>.HistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
WDLog: Presentation
The different operations that can be performed with WDLog are as follows...
HFConf.Ini file
The HFConf.INI file is found at server root. This file is used to define several characteristics of HFSQL Client/Server server.
WEBDEV administrator: General configuration
The "Configuration" tab allows you to define the default connection options for WEBDEV websites located on the server and managed by the administrator...
HLogStop (Function)
Stops the log process of a file.
<Source>.LogRecreate (Function)
Used to recreate an empty log.
HLogRestart (Function)
Restarts the logging process on a file.
HComputer (Function)
Stores a unique computer number or identifier in order to use the log and transactions over the network.
<Connection variable>.RegenerateFile (Function)
Regenerates a data file from its log.
HLogRecreate (Function)
Used to recreate an empty log.
<Source>.LogStop (Function)
Stops the log process of a file.
<Source>.SetLog (Function)
Enables or disables log management on a file.
HRetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
HChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
Check: SMART status of storage drives
The monitoring robot will measure the SMART attributes of a server's hard drives......
Creating a service with WINDEV
A service is a specific type of application intended to be run without any user intervention......
Monitoring robot: Creating a check
The monitor of the monitoring robot is used to create the different checks that must be performed...
Remote WEBDEV administrator: Configuration to use the statistics
A specific account dedicated to the management of statistics is required to access the statistical...
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
Project image gallery
The project image gallery allows viewing all the images of a project in a single click......
Remote WEBDEV administrator: Configuration of a Webservice or a WEBDEV site in Session mode
To view the configuration of a specific Webservice or WEBDEV site in Session mode from the remote...
Translation with Google Translate
WINDEV, WEBDEV and WINDEV Mobile allow you to support up to 64 languages in the same project......
Converting an HFSQL Classic database into HFSQL Client/Server
There are two methods to convert HFSQL Classic databases to HFSQL Client/Server in WINDEV, WEBDEV...
Integrate two-factor authentication into your applications
In version 26, WINDEV, WEBDEV and WINDEV Mobile allow you to set up a login via two-factor...
User login: User Groupware
WINDEV Tutorial: User Groupware User login: User Groupware - 20 mn
WDAdminHF: Scheduled task
The remote HFSQL administrator is used to define the scheduled tasks......
Configuring an application with User Groupware
Real Time Performance Profiler (RTPP)
The Real Time Performance Profiler (RTPP) is a tool that helps you identify what is slowing...
Android 10: Modifying the behavior of applications
Starting with Android 10, Google no longer allows an application running in the background to open...
SaaS
SaaS (acronym of Software as a Service) is a model for software distribution that consists...
Software Factory: Setup
To use the software factory, a coordinator must be installed on a computer as well as the different...
gpwUser (Type of variable)
The gpwUser type is used to describe and modify the characteristics of a user of WEBDEV or WINDEV...
Customizing the WINDEV User Groupware
The User Groupware in automatic mode offers many possibilities......
JITc
The principle of JITc technology (Just In Time Compilation) is straightforward......
Installing an application server
There are several steps to install the WEBDEV Application Server on a Linux server......
Docker image of the WEBDEV Application Server
From with version 24, a Docker container with the WEBDEV Application Server can be found in Docker...
1. HFSQL Client/Server: Implementation
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 1 - HFSQL Client/Server:...
Docker image of the HFSQL server
From version 22, a Docker container with the HFSQL server is available in Docker Hub......
Manual deployment of a dynamic site
WEBDEV proposes several methods for deploying a dynamic site......
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