Locate the ClickHouse table behind the request
Ask Notis to inspect available tables for a database and return the names and metadata that can guide your next query.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
Why this helps
Finding the right table is an avoidable speed bump when you need a quick answer from company data.
- List available tables in a specified database.
- Use returned metadata to narrow down where to look.
- Make data discovery a clear first step.
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 tables in the ClickHouse database relevant to the incoming WhatsApp request and summarize useful metadata returned.
- 4Choose the Notis webhook trigger and select where run reports should go.
- 5Test with one real request and confirm the database is identifiable.
Questions about this workflow
Does table discovery show each column?
The table list returns table information and metadata. Use the table schema action when you need column definitions.
What if the database name is not known?
First identify an available database, then run table discovery for that database.
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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