perf(database): add query execution benchmark

tests/Benchmark/Database/QueryExecutionBench.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Tempest\Benchmark\Database;
+
+use PhpBench\Attributes\BeforeMethods;
+use PhpBench\Attributes\Iterations;
+use PhpBench\Attributes\Revs;
+use PhpBench\Attributes\Warmup;
+use Tempest\Container\GenericContainer;
+use Tempest\Database\Config\SQLiteConfig;
+use Tempest\Database\Connection\PDOConnection;
+use Tempest\Database\Database;
+use Tempest\Database\GenericDatabase;
+use Tempest\Database\Query;
+use Tempest\Database\Transactions\GenericTransactionManager;
+use Tempest\Mapper\SerializerFactory;
+
+final class QueryExecutionBench
+{
+    private GenericDatabase $database;
+
+    public function setUp(): void
+    {
+        $container = new GenericContainer();
+
+        $config = new SQLiteConfig(path: ':memory:');
+        $connection = new PDOConnection($config);
+        $connection->connect();
+
+        $this->database = new GenericDatabase(
+            $connection,
+            new GenericTransactionManager($connection),
+            new SerializerFactory($container),
+        );
+
+        $container->singleton(Database::class, $this->database);
+        GenericContainer::setInstance($container);
+
+        $this->database->execute(new Query('CREATE TABLE IF NOT EXISTS bench (id INTEGER PRIMARY KEY, name TEXT, value TEXT)'));
+
+        foreach (range(1, 100) as $i) {
+            $this->database->execute(new Query(
+                'INSERT INTO bench (name, value) VALUES (:name, :value)',
+                [':name' => "item_{$i}", ':value' => "value_{$i}"],
+            ));
+        }
+    }
+
+    #[BeforeMethods('setUp')]
+    #[Iterations(5)]
+    #[Revs(1000)]
+    #[Warmup(10)]
+    public function benchExecuteInsert(): void
+    {
+        $this->database->execute(new Query(
+            'INSERT INTO bench (name, value) VALUES (:name, :value)',
+            [':name' => 'bench_item', ':value' => 'bench_value'],
+        ));
+    }
+
+    #[BeforeMethods('setUp')]
+    #[Iterations(5)]
+    #[Revs(1000)]
+    #[Warmup(10)]
+    public function benchFetchAll(): void
+    {
+        $this->database->fetch(new Query('SELECT * FROM bench'));
+    }
+
+    #[BeforeMethods('setUp')]
+    #[Iterations(5)]
+    #[Revs(1000)]
+    #[Warmup(10)]
+    public function benchFetchWithBindings(): void
+    {
+        $this->database->fetch(new Query(
+            'SELECT * FROM bench WHERE name = :name',
+            [':name' => 'item_50'],
+        ));
+    }
+}