Use EntityFactory as single source of truth for Style in hydrators

src/Hydrators/FlatNum.php

@@ -6,16 +6,13 @@
 
 use PDOStatement;
 use Respect\Data\Hydrators\Flat;
-use Respect\Data\Styles\Stylable;
 
 /** Resolves column names from PDOStatement column metadata for numeric-indexed rows */
 final class FlatNum extends Flat
 {
     public function __construct(
         private readonly PDOStatement $statement,
-        Stylable $style,
     ) {
-        parent::__construct($style);
     }
 
     protected function resolveColumnName(mixed $reference, mixed $raw): string

src/Mapper.php

@@ -103,7 +103,7 @@ public function flush(): void
 
     protected function defaultHydrator(Collection $collection): Hydrator
     {
-        return new FlatNum($this->lastStatement, $this->style);
+        return new FlatNum($this->lastStatement);
     }
 
     private function flushSingle(object $entity): void
@@ -460,17 +460,8 @@ private function fetchHydrated(Collection $collection, PDOStatement $statement):
         $this->lastStatement = $statement;
         $hydrator = $this->resolveHydrator($collection);
         $row = $statement->fetch(PDO::FETCH_NUM);
-        $entities = $hydrator->hydrate($row, $collection, $this->entityFactory);
 
-        if ($entities === false) {
-            return false;
-        }
-
-        if ($entities->count() > 1) {
-            $this->postHydrate($entities);
-        }
-
-        return $entities;
+        return $hydrator->hydrate($row, $collection, $this->entityFactory);
     }
 
     private function createStatement(

tests/Hydrators/FlatNumTest.php

@@ -11,7 +11,6 @@
 use Respect\Data\Collections\Collection;
 use Respect\Data\Collections\Typed;
 use Respect\Data\EntityFactory;
-use Respect\Data\Styles\Standard;
 use stdClass;
 
 #[CoversClass(FlatNum::class)]
@@ -39,7 +38,7 @@ public function hydrateSingleEntityFromNumericRow(): void
         $stmt->execute();
         $row = $stmt->fetch(PDO::FETCH_NUM);
 
-        $hydrator = new FlatNum($stmt, new Standard());
+        $hydrator = new FlatNum($stmt);
         $result = $hydrator->hydrate($row, Collection::author(), $this->factory);
 
         $this->assertNotFalse($result);
@@ -60,7 +59,7 @@ public function hydrateMultipleEntitiesFromJoinedRow(): void
         $stmt->execute();
         $row = $stmt->fetch(PDO::FETCH_NUM);
 
-        $hydrator = new FlatNum($stmt, new Standard());
+        $hydrator = new FlatNum($stmt);
         $collection = Collection::author()->post;
         $result = $hydrator->hydrate($row, $collection, $this->factory);
 
@@ -75,7 +74,7 @@ public function hydrateReturnsFalseForEmptyResult(): void
         $stmt->execute();
         $row = $stmt->fetch(PDO::FETCH_NUM);
 
-        $hydrator = new FlatNum($stmt, new Standard());
+        $hydrator = new FlatNum($stmt);
 
         $this->assertFalse($hydrator->hydrate($row, Collection::author(), $this->factory));
     }
@@ -91,7 +90,7 @@ public function hydrateResolvesTypedEntity(): void
         $row = $stmt->fetch(PDO::FETCH_NUM);
 
         $factory = new EntityFactory(entityNamespace: 'Respect\Relational\Hydrators\\');
-        $hydrator = new FlatNum($stmt, new Standard());
+        $hydrator = new FlatNum($stmt);
         $collection = Typed::by('type')->issue();
         $result = $hydrator->hydrate($row, $collection, $factory);