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Stored procedures
Deletes a file identified by its identifier from a MongoDB file system.
Remark: To delete a file identified by its name, use <mongoGridFS variable>.DeleteFile.
Versions 24 and later
WINDEVLinux This function is now available for WINDEV applications in Linux.
Linux This function is now available for WEBDEV sites in Linux.
New in version 24
WINDEVLinux This function is now available for WINDEV applications in Linux.
Linux This function is now available for WEBDEV sites in Linux.
WINDEVLinux This function is now available for WINDEV applications in Linux.
Linux This function is now available for WEBDEV sites in Linux.
Example
gCntMONGO is mongoConnection
 
fsVV is mongoGridFS
fsVV..Prefix = "fs"
fsVV..Database = gCntMONGO..Database[EDT_DATABASE]
 
arrFile = fsVV.ListFile()
file is mongoGridFSFileInfo
i is int
FOR EACH file OF arrFile
i++
Trace("-------------------------------------------------------------")
Trace("#: " + i)
Trace("id: " + VariantToJSON(file..ID))
Trace("Name: " + file..Name)
fsVV.DeleteFileById(file..ID)
IF ErrorOccurred THEN
Info("Pb in DeleteFileById:", ErrorInfo(errFullDetails))
END
END
Syntax
<Result> = <File system>.DeleteFileById(<File identifier>)
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. ErrorInfo is used to identify the error.
<File system>: mongoGridFS variable
Name of the mongoGridFS variable that corresponds to the Mongo file system to use.
<File identifier>: Variant
Identifier of file to delete.
Component : wd250big.dll
Minimum version required
  • Version 25
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