SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function s3Cluster (children 1)
       ExpressionList (children 3)
        Literal \'test_cluster_two_shards_localhost\'
        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