MongoGridFSDeleteFile (Function)

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MongoGridFSDeleteFile (Function)

In french: MongoGridFSSupprimeFichier

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

Remark: To delete a file identified by its identifier, use MongoGridFSDeleteFileById.

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

// Delete an image file
MongoGridFSDeleteFile(cnt..Database, "product.png")

// Delete the file found in the table column
MongoGridFSDeleteFile(gclGridFS, TABLE_GridFS.COL_Name)

ToastDisplay("Deletion successfully performed.")

Syntax

<Result> = MongoGridFSDeleteFile(<File system> , <File name>)

<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 name>: Character string with quotes

Name of file to delete.

Related Examples:

Unit examples (WINDEV): Native access to MongoDB

[ + ] This example shows how to use the main functions of native access to MongoDB databases: adding data, reading (searching), modifying and deleting data in the database. The example also shows functions for saving files in the MongoDB GridFS data system.

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