Add support for generated fields

composer.json

@@ -7,7 +7,7 @@
   "prefer-stable": true,
   "require": {
     "php": ">=8.0",
-    "cycle/orm": "^2.0",
+    "cycle/orm": "^2.7",
     "cycle/database": "^2.7.1",
     "yiisoft/friendly-exception": "^1.1"
   },

src/Compiler.php

@@ -84,6 +84,7 @@ private function compute(Registry $registry, Entity $entity): void
             Schema::FIND_BY_KEYS => $this->renderReferences($entity),
             Schema::TYPECAST => $this->renderTypecast($entity),
             Schema::RELATIONS => [],
+            Schema::GENERATED_FIELDS => $this->renderGeneratedFields($entity),
         ];
 
         // For table inheritance we need to fill specific schema segments
@@ -187,6 +188,18 @@ private function renderColumns(Entity $entity): array
         return $schema;
     }
 
+    private function renderGeneratedFields(Entity $entity): array
+    {
+        $schema = [];
+        foreach ($entity->getFields() as $name => $field) {
+            if ($field->getGenerated() !== null) {
+                $schema[$name] = $field->getGenerated();
+            }
+        }
+
+        return $schema;
+    }
+
     private function renderTypecast(Entity $entity): array
     {
         $schema = [];

src/Definition/Field.php

@@ -4,6 +4,7 @@
 
 namespace Cycle\Schema\Definition;
 
+use Cycle\ORM\Schema\GeneratedField;
 use Cycle\Schema\Definition\Map\OptionMap;
 use Cycle\Schema\Exception\FieldException;
 
@@ -32,6 +33,8 @@ final class Field
      */
     private array|string|null $typecast = null;
 
+    private ?int $generated = null;
+
     private bool $referenced = false;
     private ?string $entityClass = null;
 
@@ -138,6 +141,21 @@ public function getTypecast(): array|string|null
         return $this->typecast;
     }
 
+    /**
+     * @param int|null $type Generating type {@see GeneratedField*} constants.
+     */
+    public function setGenerated(int|null $type): self
+    {
+        $this->generated = $type;
+
+        return $this;
+    }
+
+    public function getGenerated(): ?int
+    {
+        return $this->generated;
+    }
+
     public function setReferenced(bool $indexed): self
     {
         $this->referenced = $indexed;

tests/Schema/CompilerTest.php

@@ -6,6 +6,7 @@
 
 use Cycle\Database\DatabaseProviderInterface;
 use Cycle\ORM\Parser\Typecast;
+use Cycle\ORM\Schema\GeneratedField;
 use Cycle\ORM\SchemaInterface;
 use Cycle\Schema\Compiler;
 use Cycle\Schema\Definition\Entity;
@@ -18,7 +19,7 @@
 use Cycle\Schema\Tests\Fixtures\Typecaster;
 use PHPUnit\Framework\TestCase;
 
-class CompilerTest extends TestCase
+final class CompilerTest extends TestCase
 {
     public function testWrongGeneratorShouldThrowAnException(): void
     {
@@ -86,6 +87,46 @@ public function testRenderTypecast(mixed $expected, array $defaults, mixed $enti
         $this->assertSame($expected, $schema['author'][SchemaInterface::TYPECAST_HANDLER]);
     }
 
+    public function testRenderGeneratedFields(): void
+    {
+        $entity = new Entity();
+        $entity->setRole('author')->setClass(Author::class);
+        $entity->getFields()->set('id', (new Field())->setType('primary')->setColumn('id'));
+        $entity->getFields()->set('name', (new Field())->setType('string')->setColumn('name'));
+        $entity->getFields()->set(
+            'createdAt',
+            (new Field())
+            ->setType('datetime')
+            ->setColumn('created_at')
+            ->setGenerated(GeneratedField::BEFORE_INSERT)
+        );
+        $entity->getFields()->set(
+            'updatedAt',
+            (new Field())
+            ->setType('datetime')
+            ->setColumn('created_at')
+            ->setGenerated(GeneratedField::BEFORE_INSERT | GeneratedField::BEFORE_UPDATE)
+        );
+        $entity->getFields()->set(
+            'sequence',
+            (new Field())
+            ->setType('serial')
+            ->setColumn('some_sequence')
+            ->setGenerated(GeneratedField::ON_INSERT)
+        );
+
+        $r = new Registry($this->createMock(DatabaseProviderInterface::class));
+        $r->register($entity);
+
+        $schema = (new Compiler())->compile($r);
+
+        $this->assertSame([
+            'createdAt' => GeneratedField::BEFORE_INSERT,
+            'updatedAt' => GeneratedField::BEFORE_INSERT | GeneratedField::BEFORE_UPDATE,
+            'sequence' => GeneratedField::ON_INSERT,
+        ], $schema['author'][SchemaInterface::GENERATED_FIELDS]);
+    }
+
     public static function renderTypecastDataProvider(): \Traversable
     {
         yield [null, []];

tests/Schema/Generator/TableGeneratorTest.php

@@ -67,6 +67,7 @@ public function testCompiled(): void
                 Schema::TYPECAST => [],
                 Schema::SCHEMA => [],
                 Schema::TYPECAST_HANDLER => [Typecaster::class, 'default_typecaster'],
+                Schema::GENERATED_FIELDS => [],
             ],
         ], $schema);
     }
@@ -103,6 +104,7 @@ public function testCompiledWithPassedDefaultTypecastHandler(): void
                 Schema::TYPECAST => [],
                 Schema::SCHEMA => [],
                 Schema::TYPECAST_HANDLER => [Typecaster::class],
+                Schema::GENERATED_FIELDS => [],
             ],
         ], $schema);
     }
@@ -171,6 +173,7 @@ public function testCompiledUser(): void
                 Schema::TYPECAST_HANDLER => [
                     Typecaster::class,
                 ],
+                Schema::GENERATED_FIELDS => [],
             ],
         ], $c->getSchema());
     }
@@ -203,6 +206,7 @@ public function testCompiledPost(): void
                 Schema::TYPECAST => [],
                 Schema::SCHEMA => [],
                 Schema::TYPECAST_HANDLER => null,
+                Schema::GENERATED_FIELDS => [],
             ],
         ], $c->getSchema());
     }