Keep your ClickHouse schema review current
Get a predictable weekly snapshot of the data structures your team relies on.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
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.
Why this helps
Schema drift is easy to miss when nobody owns a recurring review.
- Catch structural changes earlier
- Improve query planning
- Create a repeatable data review habit
Setup
Build it in a few focused steps.
- 1Connect ClickHouse in Notis once.
- 2Create an automation describing the weekly schema review.
- 3Tell Notis to retrieve a comprehensive schema overview and call out meaningful changes.
- 4Pick a recurring Notis schedule.
- 5Choose a report channel and test with one immediate run.
Questions about this workflow
Can it compare with last week?
Yes, if prior reports or baseline data are available for comparison.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Workday to ClickHouse. A trigger fires from one place; an action lands in another.
Workday 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.
Absence Balance Changed
Triggers when a worker's absence balance changes. This trigger monitors a specific worker's absence plan balance and detects any changes to the balance details including quantity available, effective date, position, or other related fields. Uses snapshot-based diffing to detect meaningful changes.
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.
Balance Details Changed
Triggers when details of a specific balance change (quantity, accruals, adjustments, etc.). This trigger monitors a specific worker's absence plan balance and detects any changes to the balance details including quantity available, effective date, position, or other related fields. Uses snapshot-based diffing to detect meaningful field changes.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
Interview Feedback Submitted or Updated
Triggers when interview feedback is submitted or updated for a specific interview. This trigger monitors a specific interview and fires when new feedback entries are detected or existing feedback is modified.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
Job Posting Changed
Triggers when a specific job posting's details change (title, status, posting dates, location, etc.). This trigger monitors a single job posting and fires when any of its fields are modified.
Job Posting Questionnaire Changed
Triggers when a job posting's candidate questionnaire is added or changed. This trigger monitors a specific job posting's questionnaires and detects any changes including additions, removals, or modifications to questionnaires and questions. Uses snapshot-based diffing to detect meaningful changes.
New Absence Balance
Triggers when a new absence balance record becomes available for a worker. This trigger monitors a specific worker's absence balances and detects when new balance records appear (e.g., a new plan/bucket becomes available). Uses snapshot-based diffing to compare balance record IDs between polls.
Connect any two apps with Notis in the middle.
Workday and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business ClickHouse.