From ed9c29fe4993a14c564981cd3a034c0e159d81fe Mon Sep 17 00:00:00 2001
From: Sergey Tsalkov <stsalkov@gmail.com>
Date: Tue, 18 Sep 2012 21:08:28 -0700
Subject: [PATCH] add DB::transactionDepth() for checking how many transactions
 are active when not using nested transactions, will return 1 or 0

---
 db.class.php                      | 3 +++
 simpletest/TransactionTest_55.php | 1 +
 2 files changed, 4 insertions(+)

diff --git a/db.class.php b/db.class.php
index 929dd5b..18cecea 100644
--- a/db.class.php
+++ b/db.class.php
@@ -98,6 +98,8 @@ class DB {
   public static function nonSQLError() { $args = func_get_args(); return call_user_func_array(array(DB::getMDB(), 'nonSQLError'), $args); }
   
   public static function serverVersion() { $args = func_get_args(); return call_user_func_array(array(DB::getMDB(), 'serverVersion'), $args); }
+  public static function transactionDepth() { $args = func_get_args(); return call_user_func_array(array(DB::getMDB(), 'transactionDepth'), $args); }
+  
   
   public static function debugMode($handler = true) { 
     DB::$success_handler = $handler;
@@ -194,6 +196,7 @@ class MeekroDB {
   }
   
   public function serverVersion() { return $this->server_info; }
+  public function transactionDepth() { return $this->nested_transactions_count; }
   public function insertId() { return $this->insert_id; }
   public function affectedRows() { return $this->affected_rows; }
   public function count() { $args = func_get_args(); return call_user_func_array(array($this, 'numRows'), $args); }
diff --git a/simpletest/TransactionTest_55.php b/simpletest/TransactionTest_55.php
index d868399..beebb47 100644
--- a/simpletest/TransactionTest_55.php
+++ b/simpletest/TransactionTest_55.php
@@ -13,6 +13,7 @@ class TransactionTest_55 extends SimpleTest {
         
         $depth = DB::startTransaction();
           $this->assert($depth === 3);
+          $this->assert(DB::transactionDepth() === 3);
           DB::query("UPDATE accounts SET age=%i WHERE username=%s", 500, 'Abe');
         $depth = DB::commit();