Repository: AlexPikalov/cdrs (language: rust)

Issue:
Examples Error: Non-frozen UDTs are Not Supported
Running the samples in `cdrs/examples/crud_operations.rs` against Scylla 3.0.10-0.20190815.b3bfd8c08 returns:

```
thread 'main' panicked at 'Table creation error: Server(CDRSError { error_code: 8704, 
message: CString { string: "Non-frozen User-Defined types are not supported, please 
use frozen<>" }, additional_info: Invalid(SimpleError) })', src/libcore/result.rs:999:5
```


Discussion / hints:

Fix patch:
diff --git a/examples/crud_operations.rs b/examples/crud_operations.rs
index 0e0f673..6b187db 100644
--- a/examples/crud_operations.rs
+++ b/examples/crud_operations.rs
@@ -72,7 +72,7 @@ fn create_udt(session: &CurrentSession) {
 fn create_table(session: &CurrentSession) {
   let create_table_cql =
     "CREATE TABLE IF NOT EXISTS test_ks.my_test_table (key int PRIMARY KEY, \
-     user test_ks.user, map map<text, frozen<test_ks.user>>, list list<frozen<test_ks.user>>);";
+     user frozen<test_ks.user>, map map<text, frozen<test_ks.user>>, list list<frozen<test_ks.user>>);";
   session
     .query(create_table_cql)
     .expect("Table creation error");


Test patch: