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New WINDEV, WEBDEV 25 feature!
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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
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
New in version 24
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux 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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