Review ClickHouse schemas when new files arrive
A new data file should come with a clear destination. Get a schema overview before deciding what to do next.
Trigger
File Created
Triggers when a new file is created in Google Drive.
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
New files pile up while you figure out which warehouse database and tables can support them.
- See available databases in one report
- Match incoming files to existing structures
- Reduce exploratory warehouse work
Setup
Build it in a few focused steps.
- 1Connect Google Super and ClickHouse in Notis once.
- 2Create the automation and explain how to compare new files with ClickHouse schemas.
- 3Pick File Created as the trigger.
- 4Select a report channel and test with one real Drive file.
Questions about this workflow
Does this load the file into ClickHouse?
No. It reviews schemas and reports possible matches unless you provide a different supported action.
What does the schema action return?
It returns a comprehensive overview of a ClickHouse database, including optional column definitions.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Google Super to ClickHouse. A trigger fires from one place; an action lands in another.
Google Super 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.
Aggregate Metric Changed
Triggers when an aggregate metric (SUM/COUNT/AVG/MIN/MAX) changes in a Google Sheets spreadsheet. This trigger monitors an aggregate calculation on a target column (optionally filtered by a search column/value) and fires when the calculated result 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.
Attendee Response Changed
Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
Cell Range Values Changed
Triggers when values in a specified A1 range change in Google Sheets. This trigger monitors a specific cell or range of cells and fires when any values change.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
Comment Added (Docs/Sheets/Slides)
Triggers when a new comment is added to Google Docs, Sheets, or Slides.
Conditional Format Rule Changed
Triggers when conditional formatting rules change in a Google Spreadsheet. Detects when rules are added, updated, or removed. Uses snapshot-based diffing to detect changes between polls.
Data Validation Rule Changed
Triggers when data validation rules change (added/updated/removed) in a Google Spreadsheet. Uses snapshot-based diffing to detect changes between polls.
Connect any two apps with Notis in the middle.
Google Super and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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