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Jun 5, 2026

PostgreSQL Generated Columns for Tenant Cost Attribution: Computing Per-User AI Inference Spend Without Application-Layer ETL

Use PostgreSQL's generated columns to automatically calculate tenant billing amounts based on AI feature usage (tokens consumed × feature tier × region multiplier), keeping your billing logic in the database schema rather than scattered across FastAPI services, eliminating data drift and making audits trivial.

Jun 5, 20264 min read0 reactions0 comments