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- Incrementing the version number of the data file
- Multi-file queries
HVersion (Function)
 No disponible con este tipo de conexión
Determines: - whether the content of a data file was modified.
- whether the content of a data file used by a query was modified.
This function is used to detect the modifications made to a data file shared among several programs. If a modification is detected, you have the ability to refresh the data displayed in the window or in the page.
VerNum = HVersion(Customer)
// First evaluation of the data file version
VerNum is int
VerNum = HVersion(Customer)
// Processes
// Second evaluation of the data file version
IF VerNum <> HVersion(Customer) THEN
Info("The Customer data file was modified.")
END
Sintaxis
<Result> = HVersion([<Data file or query>])
<Result>: Integer Version number of the data file.
<Data file or query>: Optional character string - Name of the data file used.
- Name of the query used.
- If this parameter is not specified, HVersion will handle the last data file (last query) used.
Observaciones Incrementing the version number of the data file Note The function HVersion function can be used on both indexed and non-indexed data files. Multi-file queries In the case of a multi-file query, HVersion returns the sum of the HVersion of all data files used in the query.
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