From 58e96e53b039365751eb8c4a2d511fcfcf507891 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Mon, 10 Aug 2015 14:15:44 +0200
Subject: [PATCH] add method to check if we're inside a transaction

---
 lib/private/appframework/db/db.php |  9 +++++++++
 lib/private/db/connection.php      | 10 ++++++++++
 lib/public/idbconnection.php       |  8 ++++++++
 3 files changed, 27 insertions(+)

diff --git a/lib/private/appframework/db/db.php b/lib/private/appframework/db/db.php
index cde8583168..8e3fa6e419 100644
--- a/lib/private/appframework/db/db.php
+++ b/lib/private/appframework/db/db.php
@@ -153,6 +153,15 @@ class Db implements IDb {
 		$this->connection->beginTransaction();
 	}
 
+	/**
+	 * Check if a transaction is active
+	 *
+	 * @return bool
+	 */
+	public function inTransaction() {
+		return $this->connection->inTransaction();
+	}
+
 	/**
 	 * Commit the database changes done during a transaction that is in progress
 	 */
diff --git a/lib/private/db/connection.php b/lib/private/db/connection.php
index def3f2fd12..4d33cd968a 100644
--- a/lib/private/db/connection.php
+++ b/lib/private/db/connection.php
@@ -291,4 +291,14 @@ class Connection extends \Doctrine\DBAL\Connection implements IDBConnection {
 	protected function replaceTablePrefix($statement) {
 		return str_replace( '*PREFIX*', $this->tablePrefix, $statement );
 	}
+
+	/**
+	 * Check if a transaction is active
+	 *
+	 * @return bool
+	 * @since 8.2.0
+	 */
+	public function inTransaction() {
+		return $this->getTransactionNestingLevel() > 0;
+	}
 }
diff --git a/lib/public/idbconnection.php b/lib/public/idbconnection.php
index 0d04c43d73..6a4373583f 100644
--- a/lib/public/idbconnection.php
+++ b/lib/public/idbconnection.php
@@ -114,6 +114,14 @@ interface IDBConnection {
 	 */
 	public function beginTransaction();
 
+	/**
+	 * Check if a transaction is active
+	 *
+	 * @return bool
+	 * @since 8.2.0
+	 */
+	public function inTransaction();
+
 	/**
 	 * Commit the database changes done during a transaction that is in progress
 	 * @since 6.0.0