SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function coalesce (alias res) (children 1)
     ExpressionList (children 3)
      Function if (children 1)
       ExpressionList (children 3)
        Function equals (children 1)
         ExpressionList (children 2)
          Function modulo (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_2
          Literal UInt64_0
        Identifier number
        Literal NULL
      Function if (children 1)
       ExpressionList (children 3)
        Function equals (children 1)
         ExpressionList (children 2)
          Function modulo (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_3
          Literal UInt64_0
        Identifier number
        Literal NULL
      Literal UInt64_100
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_15