From 5ef7d69d418ef4323cc3dc93f5ec6d24315eef96 Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@owncloud.com>
Date: Wed, 9 Apr 2014 15:57:33 +0200
Subject: [PATCH] Do not attempt to covert to the same DBMS.

---
 core/command/db/converttype.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/command/db/converttype.php b/core/command/db/converttype.php
index 7e65d1fb663..7e0a41b1b15 100644
--- a/core/command/db/converttype.php
+++ b/core/command/db/converttype.php
@@ -102,6 +102,14 @@ class ConvertType extends Command {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output) {
+		if ($input->getArgument('type') === $this->config->getValue('dbtype', '')) {
+			$output->writeln(sprintf(
+				'<error>Can not convert from %1$s to %1$s.</error>',
+				$input->getArgument('type')
+			));
+			return 1;
+		}
+
 		$fromDB = \OC_DB::getConnection();
 		$toDB = $this->getToDBConnection($input, $output);