Add db.transaction span (#594)

CHANGELOG.md

@@ -21,6 +21,7 @@
 - Add tracing span for Laravel HTTP client requests (#585)
 - Simplify Sentry meta tag retrieval, by adding `Sentry\Laravel\Integration::sentryMeta()` (#586)
 - Fix tracing with nested queue jobs (mostly when running jobs in the `sync` driver) (#592)
+- Add a `db.transaction` span, this span indicates the time that is spent inside a database transaction (#594)
 
 ## 2.14.2
 

src/Sentry/Laravel/Tracing/EventHandler.php

@@ -35,6 +35,9 @@ class EventHandler
         HttpClientEvents\RequestSending::class => 'httpClientRequestSending',
         HttpClientEvents\ResponseReceived::class => 'httpClientResponseReceived',
         HttpClientEvents\ConnectionFailed::class => 'httpClientConnectionFailed',
+        DatabaseEvents\TransactionBeginning::class => 'transactionBeginning',
+        DatabaseEvents\TransactionCommitted::class => 'transactionCommitted',
+        DatabaseEvents\TransactionRolledBack::class => 'transactionRolledBack',
     ];
 
     /**
@@ -116,6 +119,9 @@ public function __construct(array $config, BacktraceHelper $backtraceHelper)
      *
      * @uses self::routeMatchedHandler()
      * @uses self::queryExecutedHandler()
+     * @uses self::transactionBeginningHandler()
+     * @uses self::transactionCommittedHandler()
+     * @uses self::transactionRolledBackHandler()
      * @uses self::httpClientRequestSendingHandler()
      * @uses self::httpClientResponseReceivedHandler()
      * @uses self::httpClientConnectionFailedHandler()
@@ -240,6 +246,40 @@ private function resolveQueryOriginFromBacktrace(): ?string
         return "{$filePath}:{$firstAppFrame->getLine()}";
     }
 
+    protected function transactionBeginningHandler(DatabaseEvents\TransactionBeginning $event): void
+    {
+        $parentSpan = SentrySdk::getCurrentHub()->getSpan();
+
+        if ($parentSpan === null) {
+            return;
+        }
+
+        $context = new SpanContext;
+        $context->setOp('db.transaction');
+
+        $this->pushSpan($parentSpan->startChild($context));
+    }
+
+    protected function transactionCommittedHandler(DatabaseEvents\TransactionCommitted $event): void
+    {
+        $span = $this->popSpan();
+
+        if ($span !== null) {
+            $span->finish();
+            $span->setStatus(SpanStatus::ok());
+        }
+    }
+
+    protected function transactionRolledBackHandler(DatabaseEvents\TransactionRolledBack $event): void
+    {
+        $span = $this->popSpan();
+
+        if ($span !== null) {
+            $span->finish();
+            $span->setStatus(SpanStatus::internalError());
+        }
+    }
+
     protected function httpClientRequestSendingHandler(HttpClientEvents\RequestSending $event): void
     {
         $parentSpan = SentrySdk::getCurrentHub()->getSpan();
@@ -252,7 +292,6 @@ protected function httpClientRequestSendingHandler(HttpClientEvents\RequestSendi
 
         $context->setOp('http.client');
         $context->setDescription($event->request->method() . ' ' . $event->request->url());
-        $context->setStartTimestamp(microtime(true));
 
         $this->pushSpan($parentSpan->startChild($context));
     }