Find which ClickHouse databases are available
When you are unsure where a dataset lives, trigger a database list from the WhatsApp request and use the real names returned.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
Why this helps
Data requests get delayed when nobody knows which ClickHouse database contains the needed information.
- See the databases available in the connected ClickHouse instance.
- Avoid guessing database names.
- Use discovery results to guide a later table search.
Setup
Build it in a few focused steps.
- 1Connect 2chat and ClickHouse once in the Notis portal.
- 2Create an automation and give it a clear name.
- 3Tell Notis to list the available ClickHouse databases when a WhatsApp request asks where data may be stored.
- 4Choose the Notis webhook trigger and select where run reports should go.
- 5Test with one real database discovery request.
Questions about this workflow
Does this show tables too?
No. It lists databases. Use a separate table discovery step to inspect tables in a selected database.
Can it find databases that are not connected?
No. The action lists databases available in the connected ClickHouse instance.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link 2chat to ClickHouse. A trigger fires from one place; an action lands in another.
2chat triggers
ClickHouse actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Execute ClickHouse Query
Execute a sql query in clickhouse and return the results. this is the primary action for querying data from clickhouse databases.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Database Schema
Get comprehensive schema overview of an entire database including all tables and optionally their column definitions. essential for ai agents to understand the complete database structure in a single call.
Get Table Schema
Get detailed schema information for a specific table including column definitions, types, keys, and optionally sample data. this is essential for ai agents to understand table structure before constructing queries.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
Connect any two apps with Notis in the middle.
2chat and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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