CreateQuery dupe_test_with_cluster_function (children 3)
 Identifier dupe_test_with_cluster_function
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration n1 (children 1)
    DataType String
   ColumnDeclaration n2 (children 1)
    DataType String
   ColumnDeclaration n3 (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier n1
