Move your data from Apache Kafka to ClickHouse, continuously

Continuously ingest data from different sources, transform data on-the-fly, and then deliver data to any destinations using RisingWave’s connectors.

CREATE SOURCE IF NOT EXISTS orders_rw (
    order_id INTEGER PRIMARY KEY,
    customer_id INTEGER,
    order_status VARCHAR,
    total_amount DECIMAL,
    last_updated TIMESTAMP)
WITH (
   connector='kafka',
   topic='demo_topic',
   properties.bootstrap.server='172.10.1.1:9090,172.10.1.2:9090',
   scan.startup.mode='latest',
   scan.startup.timestamp.millis='140000000'
) FORMAT PLAIN ENCODE AVRO (
   message = 'message_name',
   schema.registry = 'http://127.0.0.1:8081'
);

For comprehensive configuration details, please refer to the Kafka connector documentation.

CREATE SINK clickhouse_sink AS
SELECT
    order_status,
    COUNT(*) as order_count,
    SUM(total_amount) as total_revenue,
    AVG(total_amount) as avg_order_value,
    MIN(last_updated) as first_order_time,
    MAX(last_updated) as last_order_time
FROM orders_rw
WITH (
    connector = 'clickhouse',
    type = 'append-only',
    clickhouse.url = 'clickhouse://localhost:8123',
    clickhouse.user = 'clickhouse_demo',
    clickhouse.password = 'demoPass123!',
    clickhouse.database = 'default',
    clickhouse.table='demo_test'
);

For comprehensive configuration details, please refer to the ClickHouse connector documentation.