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Stored procedures
Destroys a trigger. This trigger cannot be used anymore.
Reminder: A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a HFSQL function is run. A trigger is defined by HDescribeTrigger. See Managing the triggers for more details
Versions 17 and later
iPhone/iPad This function is now available for the iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for the iPhone/iPad applications.
iPhone/iPad This function is now available for the iPhone/iPad applications.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Note: From version 19, HFSQL is the new name of HyperFileSQL.
Syntax
<Result> = HDeleteTrigger([<List of HFSQL Files> [, <List of HFSQL Functions>]] [, <Type>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<List of HFSQL Files>: Optional character string
Logical name of one or more HFSQL data files.
To specify several names of data files, the names of the data files must be separated by a comma (",").
To use all the data files found in the analysis, this parameter must be equal to "*".
By default, <List of HFSQL Files> = "*".
<List of HFSQL Functions>: Optional character string
Name of one or more HFSQL functions on which the trigger must be implemented. To specify several names of functions, the names of functions must be separated by a comma (","). You have the ability to define triggers on the following HFSQL functions:If <List of HFSQL Functions> is set to "*", all the HFSQL functions used to activate a trigger are taken into account.
By default, <List of FSQL Files> = "*".
<Type>: Optional Integer constant
Indicates the type of trigger. All the triggers are affected if this parameter is not specified.
hTriggerBeforeThe procedure is run before the HFSQL function
hTriggerAfterThe procedure is run after the HFSQL function
Components
WINDEVWEBDEV - Server codeReports and Queries wd230hf.dll
Windows Mobile wp230hf.dll
Linux wd230hf.so
Minimum required version
  • Version 9
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