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MongoGridFSGetFile (Function) In french: MongoGridFSRécupèreFichier Retrieves (on the local computer) a file identified by its name and found in a MongoDB file system. MongoGridFSGetFile(cnt.Database["CRM"], "product.png", ... fDataDir() + ["\"] + "product.png")
sDir is string = fSelectDir(SysDir(srDownloads), ... "Select the download directory") IF sDir<>"" THEN MongoGridFSGetFile(gclGridFS, TABLE_GridFS.COL_Name, ... CompleteDir(sDir) + TABLE_GridFS.COL_Name) ToastDisplay("Retrieval successfully performed.") END
Syntax
<Result> = MongoGridFSGetFile(<File system> , <Name of file to retrieve> , <Name of local file>)
<Result>: Boolean - True if the operation was performed,
- False if a problem occurs. ErrorInfo is used to identify the error.
<File system>: mongoGridFS or mongoDatabase variable File system of the MongoDB database to use. Corresponds to: - the name of the mongoGridFS variable that corresponds to the Mongo file system.
- the name of the mongoDatabase variable that corresponds to the MongoDB database. In this case, the file system uses the "fs" prefix.
<Name of file to retrieve>: Character string Name of the file in the MongoDB file system that will be retrieved on the local computer. <Name of local file>: Character string Path and name of file retrieved on the local computer.
Related Examples:
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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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