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th3mouk/materialized-view

Declarative, PostgreSQL-native management of materialized views — on Doctrine DBAL or a bare PDO connection.

Define a materialized view once, as a versioned .sql file plus a small PHP definition, and let the library create it, detect drift, rebuild it safely, refresh it (including CONCURRENTLY), and let your app read it without surprises. No ORM owns the DDL; PostgreSQL stays the source of truth for the physical object.

This is the framework-agnostic core. It talks to PostgreSQL through a tiny Connection port, so Doctrine is optional: run it on a plain PDO handle, or hand it a Doctrine DBAL connection to additionally get primary/replica routing, middlewares, profiling and read-only ORM mapping. For Symfony — autoconfiguration, console commands, the locked deploy lane and async refresh — use th3mouk/materialized-view-bundle.

Why this library exists

A materialized view is a physical PostgreSQL object with its own lifecycle: CREATE MATERIALIZED VIEW … AS …, REFRESH MATERIALIZED VIEW [CONCURRENTLY], no CREATE OR REPLACE, destructive redefinition, unique-index preconditions for concurrent refresh, dependency ordering. Doctrine ORM can read the rows as a read-only projection, but it cannot express any of that — and at the time of writing no maintained, framework-agnostic PHP library manages PostgreSQL materialized views. This library fills that gap — natively on Doctrine DBAL, or on a bare PDO connection when you don't run an ORM.

See docs/internals/design-rationale.md for the full reasoning and the competitive landscape.

Highlights

• Declarative: SQL lives in db/matviews/*.sql; a tiny PHP class declares name, indexes, rebuild & population policy.
• Drift detection via a canonical hash stored in COMMENT ON MATERIALIZED VIEW (travels with database clones).
• Safe rebuilds: drop_create and a low-lock side_by_side strategy, with index and GRANT re-application.
• Refresh runtime: CONCURRENTLY with precondition validation, primary/replica awareness (on the Doctrine backend), lock_timeout/statement_timeout, advisory locks, ANALYZE.
• Catalog-derived dependency ordering (pg_depend/pg_rewrite) — no hand-maintained graph, no drift.
• Doctrine optional: the engine runs on a bare PDO handle with zero extra Composer dependencies; a Doctrine DBAL connection is natively supported and adds primary/replica routing, middlewares, profiling and read-only ORM mapping. See docs/guide/connection-backends.md.
• Read-only ORM mapping (optional, Doctrine ORM) with a write guard and an unpopulated-read readiness guard.

Installation

Requirements: PHP ≥ 8.4, PostgreSQL (12+; tested against 17), and one connection backend:

• Doctrine DBAL ≥ 4.4 — composer require doctrine/dbal. Recommended: unlocks primary/replica routing, middlewares, profiling, and the optional read-only ORM mapping (doctrine/orm ≥ 3.6).
• or the pdo_pgsql extension — no extra Composer dependency; wire the manager with MaterializedViewManager::forPdo().

The core itself depends only on php and psr/log; the backend is your choice.

60-second example (framework-agnostic)

Given a base table orders (id bigint, category text, amount numeric, created_at timestamptz):

db/matviews/sales_by_category.sql

Wire the manager onto your connection backend:

Documentation

A full table of contents is in docs/README.md.

Compatibility

The core needs only a PostgreSQL connection — Doctrine DBAL or pdo_pgsql. Doctrine is optional and natively supported; it adds primary/replica routing, middlewares, profiling and read-only ORM mapping. We track DBAL major versions deliberately and do not pin a tight upper bound that would strand the library (see docs/internals/compatibility-and-evolution.md).

License

NOTICE.

If you use or redistribute this package, keep the NOTICE attribution — crediting Jérémy Marodon (th3mouk) and naming this library in your product's documentation or credits. Please contribute upstream rather than maintaining a public fork.