Merge pull request #121 from frosas/master

Log transaction statements

lib/Doctrine/DBAL/Connection.php

@@ -899,10 +899,24 @@ class Connection implements DriverConnection
 
         ++$this->_transactionNestingLevel;
 
+        $logger = $this->_config->getSQLLogger();
+
         if ($this->_transactionNestingLevel == 1) {
+            if ($logger) {
+                $logger->startQuery('"START TRANSACTION"');
+            }
             $this->_conn->beginTransaction();
+            if ($logger) {
+                $logger->stopQuery();
+            }
         } else if ($this->_nestTransactionsWithSavepoints) {
+            if ($logger) {
+                $logger->startQuery('"SAVEPOINT"');
+            }
             $this->createSavepoint($this->_getNestedTransactionSavePointName());
+            if ($logger) {
+                $logger->stopQuery();
+            }
         }
     }
 
@@ -924,10 +938,24 @@ class Connection implements DriverConnection
 
         $this->connect();
 
+        $logger = $this->_config->getSQLLogger();
+
         if ($this->_transactionNestingLevel == 1) {
+            if ($logger) {
+                $logger->startQuery('"COMMIT"');
+            }
             $this->_conn->commit();
+            if ($logger) {
+                $logger->stopQuery();
+            }
         } else if ($this->_nestTransactionsWithSavepoints) {
+            if ($logger) {
+                $logger->startQuery('"RELEASE SAVEPOINT"');
+            }
             $this->releaseSavepoint($this->_getNestedTransactionSavePointName());
+            if ($logger) {
+                $logger->stopQuery();
+            }
         }
 
         --$this->_transactionNestingLevel;
@@ -949,13 +977,27 @@ class Connection implements DriverConnection
 
         $this->connect();
 
+        $logger = $this->_config->getSQLLogger();
+
         if ($this->_transactionNestingLevel == 1) {
+            if ($logger) {
+                $logger->startQuery('"ROLLBACK"');
+            }
             $this->_transactionNestingLevel = 0;
             $this->_conn->rollback();
             $this->_isRollbackOnly = false;
+            if ($logger) {
+                $logger->stopQuery();
+            }
         } else if ($this->_nestTransactionsWithSavepoints) {
+            if ($logger) {
+                $logger->startQuery('"ROLLBACK TO SAVEPOINT"');
+            }
             $this->rollbackSavepoint($this->_getNestedTransactionSavePointName());
             --$this->_transactionNestingLevel;
+            if ($logger) {
+                $logger->stopQuery();
+            }
         } else {
             $this->_isRollbackOnly = true;
             --$this->_transactionNestingLevel;