Question 1

How to install cassandra-cpp on Ubuntu?

Accepted Answer

Install the DataStax C/C++ driver via package manager or from source, then ensure libcassandra files are in /usr/local/lib64/. Use Floki for a Dockerized setup if preferred, as per the README.

Question 2

Is cassandra-cpp compatible with Tokio?

Accepted Answer

Yes, it uses std::future, so it works with any async runtime like Tokio or async-std. You can use tokio::runtime::Runtime::block_on to call async functions from synchronous code.

Question 3

How to migrate from cassandra-cpp version 2.0 to 3.0?

Accepted Answer

Update iterator usage from for loops to while let with lending iterators, as described in the README. Expect lifetime adjustments and changes to types like Value<'a>.

Question 4

cassandra-cpp vs cdrs: which is better for Cassandra in Rust?

Accepted Answer

cassandra-cpp offers full DataStax driver features with async support but requires C++ dependencies. cdrs is a pure Rust alternative with simpler setup but may lack some advanced features. Choose based on need for official driver integration vs. dependency minimalism.

Question 5

How to use prepared statements in cassandra-cpp?

Accepted Answer

Use Session::prepare to create a PreparedStatement, then execute it with Session::execute. Note that statements are consumed on execution, so recreate them if needed for reuse.

Question 6

Does cassandra-cpp support SSL configuration?

Accepted Answer

Yes, via Cluster::set_ssl which consumes an SSL context for safety. Enable early_access_min_tls_version feature flag for specific TLS versions if using a compatible DataStax driver.

Question 7

What's the performance overhead of cassandra-cpp?

Accepted Answer

As a thin wrapper, overhead is minimal, but FFI calls and Rust safety checks might add slight latency compared to direct C++ usage. For most apps, it's negligible given the safety benefits.

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