feat(database): implement query execution performance metric mesurement

src/Database/Database.php

@@ -191,9 +191,11 @@ private static function executePrepareQuery(string $sql_statement, array $data =
             Sanitize::make($data, true)
         );
 
+        $start_at = microtime(true);
         $pdo_statement->execute();
+        $ended_at = microtime(true);
 
-        static::triggerQueryEvent($sql_statement, $data);
+        static::triggerQueryEvent($sql_statement, $ended_at - $start_at, $data);
 
         return $pdo_statement->rowCount();
     }
@@ -490,12 +492,13 @@ public static function setPdo(PDO $pdo): void
      * Trigger the query executed event
      *
      * @param  string $sql
+     * @param  float $execution_time
      * @param  array  $bindings
      * @return void
      */
-    public static function triggerQueryEvent(string $sql, array $bindings = []): void
+    public static function triggerQueryEvent(string $sql, float $execution_time = 0, array $bindings = []): void
     {
-        $event = new QueryEvent($sql, $bindings);
+        $event = new QueryEvent($sql, $execution_time, $bindings);
 
         app_event($event);
     }

src/Database/QueryBuilder.php

@@ -1417,9 +1417,11 @@ public function truncate(): bool
 
         $this->last_query = $sql;
 
+        $start_at = microtime(true);
         $result = (bool) $this->connection->exec($sql);
+        $ended_at = microtime(true);
 
-        $this->triggerQueryEvent($sql, []);
+        $this->triggerQueryEvent($sql, $ended_at - $start_at);
 
         $this->last_query = $sql;
 
@@ -1523,9 +1525,11 @@ private function execute(string $sql, array $bindings = []): PDOStatement
         $this->bind($statement, $bindings);
 
         try {
+            $start_at = microtime(true);
             $statement->execute();
+            $ended_at = microtime(true);
 
-            $this->triggerQueryEvent($sql, $bindings);
+            $this->triggerQueryEvent($sql, $ended_at - $start_at, $bindings);
         } catch (\Exception $e) {
             throw new QueryBuilderException(
                 'Error executing query: ' . $e->getMessage() . ' | Query: ' . $this->last_query,
@@ -1548,9 +1552,11 @@ public function drop(): bool
 
         $this->last_query = $sql;
 
+        $start_at = microtime(true);
         $result = (bool) $this->connection->exec($sql);
+        $ended_at = microtime(true);
 
-        $this->triggerQueryEvent($sql, []);
+        $this->triggerQueryEvent($sql, $ended_at - $start_at);
 
         return $result;
     }
@@ -1668,12 +1674,13 @@ public function setWhereDataBinding(array $data_binding): void
      * Trigger the query event
      *
      * @param  string $sql
+     * @param  float $execution_time
      * @param  array  $bindings
      * @return void
      */
-    private function triggerQueryEvent(string $sql, array $bindings): void
+    private function triggerQueryEvent(string $sql, float $execution_time = 0, array $bindings = []): void
     {
-        Database::triggerQueryEvent($sql, $bindings);
+        Database::triggerQueryEvent($sql, $execution_time, $bindings);
     }
 
     /**

src/Database/QueryEvent.php

@@ -18,6 +18,13 @@ final class QueryEvent implements AppEvent
      */
     public string $sql;
 
+    /**
+     * Define the query execution time
+     *
+     * @var mixed
+     */
+    public float $execution_time;
+
     /**
      * The query bindings
      *
@@ -28,11 +35,14 @@ final class QueryEvent implements AppEvent
     /**
      * QueryEvent constructor.
      *
-     * @param array $data
+     * @param string $sql
+     * @param float $execution_time
+     * @param array $bindings
      */
-    public function __construct(string $sql, array $bindings = [])
+    public function __construct(string $sql, float $execution_time = 0, array $bindings = [])
     {
         $this->sql = $sql;
+        $this->execution_time = $execution_time;
         $this->bindings = $bindings;
     }
 
@@ -51,7 +61,7 @@ public function getName(): string
      * @param  mixed  $value
      * @throws \Exception
      */
-    public function __set($name, $value)
+    final public function __set($name, $value)
     {
         throw new \Exception("Cannot set property $name on QueryEvent");
     }