MongoGridFSGetFileById (Function)

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MongoGridFSGetFileById (Function)

In french: MongoGridFSRécupèreFichierParId

Retrieves (on the local computer) a file identified by its identifier and found in a MongoDB file system.

Remark: To retrieve a file identified from its name, use MongoGridFSGetFile.

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

FOR EACH file OF MongoGridFSListFile(databaseMDB)
MongoGridFSGetFileById(databaseMDB, file..ID, fDataDir() + ["\"] + file..Name)
END

Syntax

<Result> = MongoGridFSGetFileById(<File system> , <Identifier of file to retrieve> , <Name of local file>)

<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.

<Identifier of file to retrieve>: Variant

Identifier of file found in the MongoDB file system that will be retrieved on the local computer.

<Name of local file>: Character string with quotes

Name and path of file that will be retrieved on the local computer.

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