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.

Versions 24 and later

This function is now available for WINDEV applications in Linux.

This function is now available for WEBDEV sites in Linux.

New in version 24

This function is now available for WINDEV applications in Linux.

This function is now available for WEBDEV sites in Linux.

This function is now available for WINDEV applications in 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 = 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 occurred. ErrorInfo is used to identify the error.

<File system>: mongoGridFS or mongoDatabase variable

File system of MongoDB database to use. Corresponds to:
the name of mongoGridFS variable corresponding to the Mongo file system.
the name of mongoDatabase variable corresponding to the MongoDB database. In this case, the file system is using the "fs" prefix.

<File identifier>: Variant

Identifier of file to delete.

Component : wd250big.dll