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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
Note: From version 19, HFSQL is the new name of HyperFileSQL.
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 occurred. 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
Indicates the type of trigger. All 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.
Component : wd240hf.dll
Minimum required version
  • Version 9
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