Keep the document table structure visible
Get a recurring schema view for the ClickHouse table that supports your Affinda document workflow.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
Get Table Schema
Gets the schema and column details for a table.
Why this helps
Table changes can make it harder to understand what document data the destination expects.
- Review columns and types on a recurring basis.
- Make table structure easier to check when workflows change.
- Keep a useful schema reference close at hand.
Setup
Build it in a few focused steps.
- 1Connect Affinda and ClickHouse once in the Notis portal.
- 2Create an automation in Automations, New Automation, or describe it to Notis in plain language.
- 3Specify the ClickHouse database and table, then ask Notis to retrieve its schema and summarize the columns.
- 4Choose a notis_cron schedule and select where run reports should go.
- 5Test with one run and verify the schema details match the table.
Questions about this workflow
Can this identify schema changes over time?
The action retrieves the current schema. To compare changes, the instruction needs prior schema history to be available.
Does this update the table?
No. It only retrieves schema information.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Affinda to ClickHouse. A trigger fires from one place; an action lands in another.
Affinda triggers
ClickHouse actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Execute ClickHouse Query
Runs a database query and returns the results.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Database Schema
Retrieves an overview of a database's schema and tables.
Get Table Schema
Gets the schema and column details for a table.
Get ClickHouse Play Interface
Returns the ClickHouse Play interface for writing queries and viewing results.
List ClickHouse Databases
Lists the databases in an instance.
List ClickHouse Tables
Lists tables in databases with basic details.
Connect any two apps with Notis in the middle.
Affinda and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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