PostgREST v10: EXPLAIN and Improved Relationship Detection

The newly released PostgREST v10 automatically turns a PostgreSQL database into a RESTful API, offering several new features including EXPLAIN, which provides execution plans for requests through HTTP or supabase-js, enabling quicker feedback on query performance. Additionally, one-to-one relationships are now automatically detected to avoid unnecessary JSON arrays in query results. Computed relationships have also been introduced, allowing users to define custom SQL functions and override detected relationships. However, a breaking change has been made regarding many-to-many relationships, requiring primary key columns to include foreign key columns of the many-to-many ends for join tables to be correctly detected. These features are part of PostgREST's efforts towards extensibility and customization.

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