提交代码

vendor/doctrine/dbal/lib/Doctrine/DBAL/ConnectionException.php

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+<?php
+
+namespace Doctrine\DBAL;
+
+class ConnectionException extends DBALException
+{
+    /**
+     * @return \Doctrine\DBAL\ConnectionException
+     */
+    public static function commitFailedRollbackOnly()
+    {
+        return new self('Transaction commit failed because the transaction has been marked for rollback only.');
+    }
+
+    /**
+     * @return \Doctrine\DBAL\ConnectionException
+     */
+    public static function noActiveTransaction()
+    {
+        return new self('There is no active transaction.');
+    }
+
+    /**
+     * @return \Doctrine\DBAL\ConnectionException
+     */
+    public static function savepointsNotSupported()
+    {
+        return new self('Savepoints are not supported by this driver.');
+    }
+
+    /**
+     * @return \Doctrine\DBAL\ConnectionException
+     */
+    public static function mayNotAlterNestedTransactionWithSavepointsInTransaction()
+    {
+        return new self('May not alter the nested transaction with savepoints behavior while a transaction is open.');
+    }
+}