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Stored procedures
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.
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 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 is using the "fs" prefix.
<Identifier of file to retrieve>: Variant
Identifier of file in the MongoDB file system that will be retrieved on the local computer.
<Name of local file>: Character string
Name and path of file that will be retrieved on the local computer.
Component: wd280big.dll
See also
Minimum version required
  • Version 22
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