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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 <mongoGridFS variable>.GetFile.
Example
gclGridFS is mongoGridFS
FOR EACH file OF MongoGridFSListFile(gclGridFS)
gclGridFS.GetFileByID(file.ID, fDataDir() + ["\"] + file.Name)
END
Syntax
<Result> = <File system>.GetFileByID(<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 variable
Name of the mongoGridFS variable that corresponds to the Mongo file system to use.
<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
Minimum version required
  • Version 25
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