Check the ClickHouse schema behind a new slide
Know whether the table behind a slide still has the columns and types your analysis expects.
Trigger
New Slide Added
Fires when a new slide is added to a Google Slides presentation.
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
Schema drift can quietly invalidate a slide while the deck still looks correct.
- Spot renamed or removed columns
- Confirm key and type assumptions
- Create a repeatable pre-meeting check
Setup
Build it in a few focused steps.
- 1Connect Google Slides and ClickHouse in Notis once.
- 2Create an automation named slide schema check.
- 3Tell Notis to identify the referenced table from each new slide and retrieve its detailed ClickHouse schema.
- 4Pick New Slide Added as the trigger and choose a report channel.
- 5Test with one slide that names a table.
Questions about this workflow
What if the slide does not name a table?
The report can state that the table reference is missing so you can supply it.
Does this fetch sample data?
Ask Notis to include sample data when the ClickHouse schema action supports it and it is useful for validation.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Google Slides to ClickHouse. A trigger fires from one place; an action lands in another.
Google Slides 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.
New Slide Added
Fires when a new slide is added to a Google Slides presentation.
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.
Google Slides and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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