instance method exec_query

# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 241
      def exec_query(sql, name = nil, binds = [])
        log(sql, name, binds) do

          # Don't cache statements without bind values
          if binds.empty?
            stmt    = @connection.prepare(sql)
            cols    = stmt.columns
            records = stmt.to_a
            stmt.close
            stmt = records
          else
            cache = @statements[sql] ||= {
              :stmt => @connection.prepare(sql)
            }
            stmt = cache[:stmt]
            cols = cache[:cols] ||= stmt.columns
            stmt.reset!
            stmt.bind_params binds.map { |col, val|
              type_cast(val, col)
            }
          end

          ActiveRecord::Result.new(cols, stmt.to_a)
        end
      end