MongoGridFSDeleteFileByID (Function)

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MongoGridFSDeleteFileByID (Function)

In french: MongoGridFSSupprimeFichierParID

Deletes a file identified by its identifier from a MongoDB file system.

Remark: To delete a file identified by its name, use MongoGridFSDeleteFile.

Example

gCntMONGO is mongoConnection

fsVV is mongoGridFS
fsVV.Prefix = "fs"
fsVV.Database = gCntMONGO.Database[EDT_DATABASE]

arrFile = MongoGridFSListFile(fsVV)
file is mongoGridFSFileInfo
i is int
FOR EACH file OF arrFile
i++
Trace("-------------------------------------------------------------")
Trace("#: " + i)
Trace("ID: " + VariantToJSON(file.ID))
Trace("Name: " + file.Name)
MongoGridFSDeleteFileByID(fsVV, file.ID)
IF ErrorOccurred THEN
Info("Pb in MongoGridFSDeleteFileByID: ", 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 is using the "fs" prefix.

<File identifier>: Variant

Identifier of file to delete.

Component: wd270big.dll