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Stored procedures
Deletes a file identified by its name from a MongoDB file system.
Note: To delete a file identified by its identifier, use MongoGridFSDeleteFileById.
Example
// Deletes an image file
MongoGridFSDeleteFile(cnt..Database, "product.png")
// Deletes 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:
Native access to MongoDB 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.
Components
WINDEVWEBDEV - Server codeReports and Queries wd230big.dll
Minimum required version
  • Version 22
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