Inspect a ClickHouse table before course analytics begin
Start each new course with a closer look at the table structure your analytics queries will need.
Trigger
New Course Created for User
Polls Canvas for newly created courses for a specific user.
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
Course setup can stall when the team has to rediscover table columns and keys before creating useful reports.
- Review detailed table columns and types before querying.
- Identify available keys and sample data where returned.
- Make the schema review part of the new course setup routine.
Setup
Build it in a few focused steps.
- 1Connect Canvas and ClickHouse once in the Notis portal.
- 2Create an automation and name the table schema review outcome.
- 3In one instruction, ask Notis to inspect the relevant ClickHouse table and explain its columns and keys.
- 4Pick New Course Created for User as the trigger and choose a report channel.
- 5Test with one real course creation.
Questions about this workflow
How does Notis know which table to inspect?
Name the database and table in your instruction, or provide a reliable way to identify it. The trigger does not configure filters or table mappings.
Will the schema action create a course table?
No. It retrieves details about a specific existing ClickHouse table.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Canvas to ClickHouse. A trigger fires from one place; an action lands in another.
Canvas 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.
Canvas Assignment Graded
Polls Canvas for newly graded submissions for a specific assignment.
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.
New Canvas Assignment Submission
Polls Canvas for new submissions to a specific assignment.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
New Canvas Discussion Message
Polls Canvas discussion topics for new messages.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
New Canvas Discussion Topic
Polls a Canvas course for new discussion topics.
New Course Created for User
Polls Canvas for newly created courses for a specific user.
New Canvas File Upload
Polls a Canvas course for new file uploads.
Connect any two apps with Notis in the middle.
Canvas and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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