Check critical ClickHouse tables every week
Protect important reports with a small, repeatable schema check.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
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.
Why this helps
A single changed type or key can quietly disrupt a critical report.
- Protect important reports
- Catch changes before failures
- Keep checks lightweight
Setup
Build it in a few focused steps.
- 1Connect 0CodeKit and ClickHouse in Notis.
- 2Create an automation named Critical table schema check.
- 3Tell Notis which tables to inspect and how to flag changes against any prior report you provide.
- 4Choose a weekly schedule and report channel.
- 5Test with one critical table.
Questions about this workflow
How many tables can I check?
Include the critical tables that fit your operational review.
Does it compare automatically to history?
Provide a prior schema report or baseline for comparison.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link 0CodeKit to ClickHouse. A trigger fires from one place; an action lands in another.
0CodeKit 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.
0CodeKit and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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