SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 4)
        Literal \'127.{1,2}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier t1
        Function multiIf (children 1)
         ExpressionList (children 5)
          Function equals (children 1)
           ExpressionList (children 2)
            Identifier Col
            Literal \'a\'
          Literal UInt64_0
          Function equals (children 1)
           ExpressionList (children 2)
            Identifier Col
            Literal \'b\'
          Literal UInt64_1
          Literal Int64_-1
   Function in (children 1)
    ExpressionList (children 2)
     Identifier Col
     Literal Tuple_(\'a\', \'b\')
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier all
   Set
