v.0.1

vendor/illuminate/database/DetectsConcurrencyErrors.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Support\Str;
+use PDOException;
+use Throwable;
+
+trait DetectsConcurrencyErrors
+{
+    /**
+     * Determine if the given exception was caused by a concurrency error such as a deadlock or serialization failure.
+     *
+     * @param  \Throwable  $e
+     * @return bool
+     */
+    protected function causedByConcurrencyError(Throwable $e)
+    {
+        if ($e instanceof PDOException && $e->getCode() === '40001') {
+            return true;
+        }
+
+        $message = $e->getMessage();
+
+        return Str::contains($message, [
+            'Deadlock found when trying to get lock',
+            'deadlock detected',
+            'The database file is locked',
+            'database is locked',
+            'database table is locked',
+            'A table in the database is locked',
+            'has been chosen as the deadlock victim',
+            'Lock wait timeout exceeded; try restarting transaction',
+            'WSREP detected deadlock/conflict and aborted the transaction. Try restarting the transaction',
+        ]);
+    }
+}