SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 6)
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Identifier x
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Identifier x
    Function uniqTheta (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier x
        Identifier y
    Function uniqTheta (children 1)
     ExpressionList (children 3)
      Identifier x
      Identifier y
      Identifier z
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 3)
        Identifier x
        Identifier y
        Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Function modulo (alias x) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal UInt64_10
           Function modulo (alias y) (children 1)
            ExpressionList (children 2)
             Function intDiv (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_10
             Literal UInt64_10
           Function toString (alias z) (children 1)
            ExpressionList (children 1)
             Function modulo (children 1)
              ExpressionList (children 2)
               Function intDiv (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_100
               Literal UInt64_10
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_1000