Aggregation builder

Spanna supports aggregation work without forcing you into the shell.

What is included

• pipeline JSON input
• validation and formatting
• stage-level errors
• table and JSON result views
• explain output where available

Practical uses

• group records by status
• count events by day
• reshape export payloads
• join related collections with lookup stages

Tips

• begin with a small limit while testing
• validate after each change
• review warnings such as collection scans in explain output