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Help / WLanguage / Managing databases / HFSQL / Managing triggers / WLanguage functions
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Stored procedures
Deletes a trigger. This trigger cannot be used anymore.
Reminder A trigger is a WLanguage procedure called automatically by the HFSQL engine each time an HFSQL function is executed. A trigger is defined by HDescribeTrigger. For more details, see Trigger management
Syntax
<Result> = HDeleteTrigger([<List of HFSQL data files> [, <List of HFSQL functions>]] [, <Type>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurs. HError is used to identify the error.
<List of HFSQL data 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 data 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 HFSQL functions> = "*".
<Type>: Optional Integer constant
Type of trigger:
hTriggerAfterThe procedure is run after the HFSQL function.
hTriggerBeforeThe procedure is run before the HFSQL function.

All triggers are affected if this parameter is not specified.
Component: wd300hf.dll
Minimum version required
  • Version 9
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Last update: 11/23/2024

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