SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function leftUTF8 (children 1)
     ExpressionList (children 2)
      Function if (children 1)
       ExpressionList (children 3)
        Function less (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_5
        Literal \'Hello\'
        Literal \'Привет\'
      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
        Literal NULL
        Function if (children 1)
         ExpressionList (children 3)
          Function modulo (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_2
          Function toInt64 (children 1)
           ExpressionList (children 1)
            Identifier number
          Function negate (children 1)
           ExpressionList (children 1)
            Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10