Module: ActiveRecord::Sequence::SchemaDumper

Defined in:
lib/active_record/sequence/schema_dumper.rb

Instance Method Summary collapse

Instance Method Details

#header(stream) ⇒ Object 



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# File 'lib/active_record/sequence/schema_dumper.rb', line 6

def header(stream)
  super
  sequences(stream)
end

#sequences(stream) ⇒ Object 



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# File 'lib/active_record/sequence/schema_dumper.rb', line 11

def sequences(stream)
  sequences = @connection.check_sequences
  return if sequences.empty?

  sequences.each do |seq|
    start_value = seq['START']
    increment = seq['INCREMENT']
    cache = seq['CACHE']
    cache_value = seq['CACHE_VALUE']
    min_value = seq['MIN_VALUE']
    cycle = seq['CYCLE']
    comment = seq['COMMENT']

    options = []

    options << "start: #{start_value}" if start_value && Integer(start_value) != 1

    options << "increment: #{increment}" if increment && Integer(increment) != 1

    options << "cache: #{cache_value}" if cache_value && Integer(cache_value) != 0

    options << "min_value: #{min_value}" if min_value

    options << 'cycle: true' if cycle.to_i != 0

    options << "comment: #{comment.inspect}" if comment.present?

    statement = [
      'create_sequence',
      seq['SEQUENCE_NAME'].inspect
    ].join(' ')

    if options.any?
      statement << (options.any? ? ", #{options.join(', ')}" : '')
    end

    stream.puts "  #{statement}"
  end

  stream.puts
end