SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function caseWithExpression (children 1)
     ExpressionList (children 6)
      Identifier number
      Function minus (children 1)
       ExpressionList (children 2)
        Function multiply (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_2
        Literal UInt64_4
      Literal \'Hello\'
      Function minus (children 1)
       ExpressionList (children 2)
        Function multiply (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_3
        Literal UInt64_6
      Literal \'world\'
      Literal \'\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
