ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

This content has been translated automatically.  Click here  to view the French version.
Help / WLanguage / Managing databases / Big Data / Managing Mongo data files
WINDEV
WindowsLinuxJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac Catalyst
Others
Stored procedures
Deletes a file identified by its identifier from a MongoDB file system.
Note To delete a file identified by its name, use the MongoGridFSDeleteFile function.
Example
gCnxMONGO is mongoConnection

fsVV is mongoGridFS
fsVV.Prefix = "fs"
fsVV.Database = gCnxMONGO.Database[SAI_BASE]

tabFichier = MongoGridFSListFile(fsVV)
fic is mongoGridFSFileInfo
i is int
FOR EACH fic OF tabFichier
	i++
	Trace("-------------------------------------------------------------")
	Trace("n°: " + i)
	Trace("ID : " + VariantToJSON(fic.ID))
	Trace("Nom : " + fic.Filename)
	MongoGridFSDeleteFileByID(fsVV, fic.ID)
	IF ErrorOccurred THEN
		Info("Pb dans MongoGridFSSupprimeFichierParID : ", ErrorInfo(errFullDetails))
	END
END
Syntax
<Result> = MongoGridFSDeleteFileByID(<File system> , <File identifier>)
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurs. ErrorInfo is used to identify the error.
<File system>: mongoGridFS or mongoDatabase variable
File system of the MongoDB database to use. Corresponds to:
  • the name of the mongoGridFS variable that corresponds to the Mongo file system.
  • the name of the mongoDatabase variable that corresponds to the MongoDB database. In this case, the file system uses the "fs" prefix.
<File identifier>: Variant
Identifier of file to delete.
Component: wd300big.dll
Minimum version required
  • Version 22
This page is also available for…
Comments
Click [Add] to post a comment

Last update: 03/27/2025

Send a report | Local help