Skip to main content

Crate prax_cassandra

Crate prax_cassandra 

Source
Expand description

§prax-cassandra

Apache Cassandra driver for Prax ORM using cdrs-tokio.

Provides async CRUD, prepared statements, batches, lightweight transactions, paging, virtual tables (Cassandra 4.0+), and UDF/UDA management.

§Example

use prax_cassandra::{CassandraConfig, CassandraPool};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = CassandraConfig::builder()
        .known_nodes(["127.0.0.1:9042".to_string()])
        .default_keyspace("myapp")
        .build();

    let pool = CassandraPool::connect(config).await?;
    // ... use pool ...
    Ok(())
}

§Migration Support

Schema migrations use prax_migrate::CqlDialect, which works identically for Cassandra and ScyllaDB since both use CQL.

Re-exports§

pub use auth::PlainSasl;
pub use auth::SaslMechanism;
pub use config::CassandraAuth;
pub use config::CassandraConfig;
pub use config::CassandraConfigBuilder;
pub use config::Consistency;
pub use config::RetryPolicyKind;
pub use config::TlsConfig;
pub use connection::CassandraConnection;
pub use engine::BatchBuilder;
pub use engine::CassandraEngine;
pub use engine::QueryResult;
pub use error::CassandraError;
pub use error::CassandraResult;
pub use pool::CassandraPool;
pub use row::FromRow;
pub use row::Row;
pub use udf::UdaDefinition;
pub use udf::UdfDefinition;
pub use udf::UdfLanguage;
pub use virtual_tables::ClusterInfo;
pub use virtual_tables::PeerInfo;
pub use virtual_tables::VirtualTables;

Modules§

auth
SASL authentication framework for Cassandra.
config
Configuration for a Cassandra connection.
connection
Connection wrapper around a cdrs-tokio Session.
engine
Query execution engine.
error
Error types for the prax-cassandra driver.
pool
Connection pool handle for a Cassandra cluster.
row
Row deserialization trait and helpers.
row_ref
Bridge between cdrs-tokio rows and prax_query::row::RowRef.
types
CQL type conversions to Rust types.
udf
User-defined function and aggregate management.
virtual_tables
Helpers for querying Cassandra 4.0+ virtual tables.