Migrations

This section contains upgrade guides for CYPEX administrators, DBAs, and operations engineers. Use these guides when moving an existing CYPEX deployment from one major version to the next, especially when the upgrade involves schema or permission-model changes.

From v2.0.0 onward, multi-tenant isolation is a database property: PostgreSQL Row-Level Security (RLS) scopes every query. Application-layer filters are not the security boundary.

The guides are written with factual upgrade behavior in mind: what the migrations actually do, what is additive, what is breaking, what is behavior-changing, and what the rollback constraints are.