SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function s3 (children 1)
       ExpressionList (children 2)
        Literal \'http://localhost:11111/test/{a,b,c}.tsv\'
        Identifier NOSIGN
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier c1
    OrderByElement (children 1)
     Identifier c2
    OrderByElement (children 1)
     Identifier c3
