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Attribute-driven ORM with schema definition, connection pooling, and MySQL 8.0+ support.

Schema migrations are owned by this package. orm:diff (preview) and orm:sync (apply) are the only entry points that change database structure. Other Semitexa packages — including semitexa/update — must not issue schema DDL; they call ORM through a public seam and the ORM remains the source of truth for what the schema should look like. Post-schema data patches (backfills, normalizations) belong to semitexa/update.

Purpose

Maps PHP classes to database tables using PHP 8.4 attributes. Provides Swoole-compatible connection pooling, typed column definitions, relation mapping, and a filtering architecture with auto-indexed filterable fields.

The source of truth for schema is the entity classes themselves (#[FromTable], #[Column], #[Index], #[BelongsTo]/#[HasMany]/etc.). There is no canonical migrations/ directory in a Semitexa project — the diff/sync engine produces the necessary DDL from the entity model, applies safe-rename / deprecate-then-drop policies, and gates destructive operations behind an explicit operator opt-in.

Role in Semitexa

Depends on Core and Tenancy. Depended on by Cache, Media, Scheduler, Search, Storage, Workflow, and Platform modules. Central persistence layer for all database-backed functionality.

Key Features

#[FromTable], #[Column], #[PrimaryKey], #[Index] for schema definition
Relations: #[BelongsTo], #[HasMany], #[OneToOne], #[ManyToMany]
#[Filterable] with auto-indexing and typed filterByX() methods
#[Aggregate] for virtual computed fields
Traits: HasTimestamps, SoftDeletes, HasUuid, HasUuidV7 (BINARY(16) chronological)
Domain mapping via ResourceModel, #[AsMapper], and DomainRepository
Swoole Channel-based connection pool
MySQL 8.0+ with version detection and capability checks
SchemaCollector for attribute-driven schema sync

Notes

ORM resources go in Application/Db/MySQL/Model/. Domain entities live in Domain/Model/. The Resource folder is reserved for response DTOs. Connection pooling is Swoole-native using Channel-based leasing.

Operator commands

Command	Purpose
`orm:status`	Show driver capabilities, schema summary, and pending diff
`orm:diff`	Print the DDL plan to bring the database in sync with the entity model
`orm:sync`	Execute the DDL plan; supports `--dry-run` and `--allow-destructive`
`orm:seed`	Apply data seeds (fixture data) declared by entity factories

Update orchestration calls orm:sync through Semitexa\Update\Migration\OrmMigrationGatewayInterface — never by reaching into ORM internals.

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