MongoGridFSDeleteFileById (Function)

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MongoGridFSDeleteFileById

Constants for managing MongoDB databases

MongoAdd

MongoAggregationPipeline

MongoCreate

MongoCreateCollection

MongoDB functions

MongoDB/GRIDFS databases

MongoDeleteAll

MongoDeleteCollection

MongoGridFSDeleteFile

MongoGridFSDeleteFileById

MongoGridFSGetFile

MongoGridFSGetFileById

MongoGridFSGetFileInfo

mongoCollectionOption

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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

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 occurred. ErrorInfo is used to identify the error.

<File system>: mongoGridFS or mongoDatabase variable

File system of MongoDB database to use. Corresponds to:
to the Variable name of type mongoGridFS corresponding to the Mongo file system.
the name of the 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.

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