InsertQuery   (children 2)
 Identifier dupe_test_with_cluster_function
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    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\'
         Literal \'http://localhost:11111/test/a.tsv\'
         Literal \'TSV\'
