Check table compatibility after Drive updates
Spot schema drift before an updated file causes downstream confusion.
Trigger
File Updated
Triggers when a file's metadata or content changes in Google Drive.
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 changed source file can break assumptions about columns, formats, or data types without an obvious warning.
- Review table definitions after source changes
- Spot likely incompatibilities earlier
- Create a repeatable maintenance check
Setup
Build it in a few focused steps.
- 1Connect Google Super and ClickHouse in Notis once.
- 2Create the automation and name the ClickHouse table plus compatibility checks.
- 3Pick File Updated as the trigger.
- 4Choose a report channel and test with one updated file.
Questions about this workflow
Can it compare the file columns directly?
The workflow can use event context and your prompt, but direct file parsing depends on the details available to the connected action.
What does Get Table Schema include?
It can return columns, types, keys, and optionally sample data for a specific table.
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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