Cancels an alias previously declared with HAlias
. After this operation, the data file associated with the alias is no longer recognized by the HFSQL engine.
Remark: If the alias file is open, it is automatically closed during the cancelation.
Remark: From version 19, HFSQL is the new name of HyperFileSQL.
// Create 2 aliases on the CUSTOMER data file
// Cancel the first alias
<Result> = HCancelAlias(<Alias file>)
- True if the operation was performed,
- False if a problem occurs. HError is used to identify the error.
<Alias file>: Character string
Name of the alias file to cancel. A non-fatal WLanguage error occurs if the alias file does not exist.
When cancelling an alias (HCancelAlias
- modifications made with HChangeName and HChangeDir are not cancelled. If the alias is described again, these parameters are stored and re-applied.
- if a data file has been created with a name given by HChangeName and a location given by HChangeDir, the data file is not physically deleted.