Method: Mongo::Grid::FSBucket#find_one

Defined in:
lib/mongo/grid/fs_bucket.rb

#find_one(selector = nil) ⇒ Grid::File

Deprecated.

Please use #find instead with a limit of -1. Will be removed in version 3.0.

Find a file in the GridFS.

Examples:

Find a file by its id.

fs.find_one(_id: id)

Find a file by its filename.

fs.find_one(filename: 'test.txt')

Parameters:

  • selector (Hash) (defaults to: nil) —

    The selector.

Returns:

Since:

  • 2.0.0



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# File 'lib/mongo/grid/fs_bucket.rb', line 155

def find_one(selector = nil)
  file_info = files_collection.find(selector).first
  return nil unless file_info
  chunks = chunks_collection.find(:files_id => file_info[:_id]).sort(:n => 1)
  Grid::File.new(chunks.to_a, Options::Mapper.transform(file_info, Grid::File::Info::MAPPINGS.invert))
end