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Apache Cassandra / ScyllaDB ​

Level: 2 · Versions tested: Apache Cassandra 5.0 (tested). ScyllaDB 6.2.3 (single node, developer mode) passes the same 10 tests (RZ_CASSANDRA_PORT=19043 RZ_CASSANDRA_EXPECT=ScyllaDB); the driver detects it through system.versions and hides the hidden <index>_index materialized views Scylla creates for secondary indexes. Multi-node clusters, Scylla Cloud, Alternator (DynamoDB API) and Scylla-specific features are not tested.

Authentication and transport ​

Username/password (PasswordAuthenticator) and optional TLS, through the Apache-2.0 cassandra-driver. The local data center is required. Kerberos, client certificates and Astra secure bundles are not supported.

Capabilities ​

CQL editor (runs in the SQL editor mode), prepared parameters (?), paging with a bounded fetch size, keyspaces as schemas, tables, views, partition/clustering keys and secondary indexes in the explorer. Not editable in the grid.

Type notes ​

bigint keeps 64-bit precision; decimal and varint are exact text; collections, tuples and UDTs are JSON; uuid, inet, date, time and duration are text; timestamp is Date.

Limits (honest) ​

  • Consistency level is the driver default (LOCAL_ONE); it cannot be changed yet.
  • No batches/LWT helpers, no tracing, no materialized-view management.
  • An empty result announces column names only when the server sends them (types may be unknown).
  • Cancel stops reading and closes the stream; the coordinator may finish the request.

Read-only enforcement ​

Client-side: only SELECT, USE, DESCRIBE, LIST run on a read-only connection (default-deny). For a server-side guarantee use a role limited to SELECT.

External tools ​

none

Driver license ​

Apache-2.0 (cassandra-driver 4.10.0)

Running the integration tests ​

docker compose -f test/compose/docker-compose.yml up -d cassandra (or scylla) (takes about a minute to accept connections) then pnpm --filter @rizomadb/driver-cassandra test (port 19042, data center datacenter1, override the port with RZ_CASSANDRA_PORT).