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method

indexes

Importance_0
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActiveRecord::SchemaDumper
indexes(table, stream) private

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# File activerecord/lib/active_record/schema_dumper.rb, line 174
      def indexes(table, stream)
        if (indexes = @connection.indexes(table)).any?
          add_index_statements = indexes.map do |index|
            statement_parts = [
              ('add_index ' + remove_prefix_and_suffix(index.table).inspect),
              index.columns.inspect,
              ('name: ' + index.name.inspect),
            ]
            statement_parts << 'unique: true' if index.unique

            index_lengths = (index.lengths || []).compact
            statement_parts << ('length: ' + Hash[index.columns.zip(index.lengths)].inspect) unless index_lengths.empty?

            index_orders = (index.orders || {})
            statement_parts << ('order: ' + index.orders.inspect) unless index_orders.empty?

            statement_parts << ('where: ' + index.where.inspect) if index.where

            statement_parts << ('using: ' + index.using.inspect) if index.using

            statement_parts << ('type: ' + index.type.inspect) if index.type

            '  ' + statement_parts.join(', ')
          end

          stream.puts add_index_statements.sort.join("\n")
          stream.puts
        end
      end
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