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Review warehouse impact after event changes

A moved or changed meeting can affect plans. Get the updated data context automatically.

Trigger

Event Updated

Triggers when an existing Google Calendar event is modified. Returns the event ID, change type, and the specific fields that changed with their previous and new values.

Action

Execute ClickHouse Query

Execute a sql query in clickhouse and return the results. this is the primary action for querying data from clickhouse databases.

Why this helps

Calendar changes create downstream work, but the related operational review often stays manual.

  • Catch impact from schedule changes
  • Refresh planning context quickly
  • Reduce manual calendar follow-up

Setup

Build it in a few focused steps.

  • 1Connect Google Super and ClickHouse in Notis once.
  • 2Create the automation and describe the impact review for changed event fields.
  • 3Pick Event Updated as the trigger.
  • 4Choose a report channel and test with one modified event.

Questions about this workflow

Which changes are included?

The event returns the change type and the specific fields that changed, with previous and new values.

Can it ignore minor edits?

Yes. State which changed fields should trigger analysis in the prompt.

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.

TriggerScheduled

Execute ClickHouse Query

Execute a sql query in clickhouse and return the results. this is the primary action for querying data from clickhouse databases.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

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.

ActionInstant

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.

TriggerPolling

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.

ActionInstant

Attendee Response Changed

Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.

TriggerPolling

List ClickHouse Databases

List all databases in the clickhouse instance. useful for discovering available databases before querying tables.

ActionInstant

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.

TriggerPolling

List ClickHouse Tables

List tables in clickhouse databases. returns information about tables including their engine, size, and row count.

ActionInstant

Comment Added (Docs/Sheets/Slides)

Triggers when a new comment is added to Google Docs, Sheets, or Slides.

TriggerPolling

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.

TriggerPolling

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.

TriggerPolling

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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