未验证 提交 b3e8e397 编写于 作者: D Denis Zhuravlev 提交者: GitHub

note about several MV to one kafka table

上级 3f675720
......@@ -100,6 +100,7 @@ Groups are flexible and synced on the cluster. For instance, if you have 10 topi
3. Create a materialized view that converts data from the engine and puts it into a previously created table.
When the `MATERIALIZED VIEW` joins the engine, it starts collecting data in the background. This allows you to continually receive messages from Kafka and convert them to the required format using `SELECT`.
One kafka table can have as many materialized views as you like, they do not read data from the kafka table directly, but receive new records (in blocks), this way you can write to several tables with different detail level (with grouping - aggregation and without).
Example:
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