AlterQuery  tab (children 2)
 ExpressionList (children 1)
  AlterCommand DELETE (children 1)
   Function and (children 1)
    ExpressionList (children 2)
     Function greater (children 1)
      ExpressionList (children 2)
       Identifier x
       Literal UInt64_1000
     Function in (children 1)
      ExpressionList (children 2)
       Identifier y
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 3)
           ExpressionList (children 1)
            Function sum (children 1)
             ExpressionList (children 1)
              Function plus (children 1)
               ExpressionList (children 2)
                Identifier number
                Literal UInt64_1
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              Function numbers_mt (children 1)
               ExpressionList (children 1)
                Literal Float64_10000000
           ExpressionList (children 1)
            Function modulo (children 1)
             ExpressionList (children 2)
              Identifier number
              Literal UInt64_2
 Identifier tab
