Class: Baza::Driver::Sqlite3::UnbufferedResult

Inherits:
Object
  • Object
show all
Defined in:
lib/baza/driver/sqlite3/unbuffered_result.rb

Instance Method Summary collapse

Constructor Details

#initialize(_driver, statement) ⇒ UnbufferedResult

Returns a new instance of UnbufferedResult.



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# File 'lib/baza/driver/sqlite3/unbuffered_result.rb', line 2

def initialize(_driver, statement)
  @statement = statement
  @statement.execute
  @columns = statement.columns.map(&:to_sym)
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/baza/driver/sqlite3/unbuffered_result.rb', line 21

def each
  loop do
    data = fetch

    if data
      yield data
    else
      break
    end
  end
end

#fetch ⇒ Object 



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# File 'lib/baza/driver/sqlite3/unbuffered_result.rb', line 8

def fetch
  return nil if @closed

  array = @statement.step

  if @statement.done?
    close
    return nil
  end

  return Hash[*@columns.zip(array).flatten] if array
end