AlterQuery  fx_1m (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_PROJECTION (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 7)
      Identifier symbol
      Function toStartOfInterval (alias dt_close) (children 1)
       ExpressionList (children 2)
        Identifier dt_close
        Function toIntervalSecond (children 1)
         ExpressionList (children 1)
          Literal UInt64_300
      Function argMin (children 1)
       ExpressionList (children 2)
        Identifier open
        Identifier dt_close
      Function max (children 1)
       ExpressionList (children 1)
        Identifier high
      Function min (children 1)
       ExpressionList (children 1)
        Identifier low
      Function argMax (children 1)
       ExpressionList (children 2)
        Identifier close
        Identifier dt_close
      Function sum (alias volume) (children 1)
       ExpressionList (children 1)
        Identifier volume
     ExpressionList (children 2)
      Identifier symbol
      Identifier dt_close
 Identifier fx_1m
