take SQL Server quote characters into account for assets

lib/Doctrine/DBAL/Schema/AbstractAsset.php

@@ -155,7 +155,7 @@ abstract class AbstractAsset
      */
     protected function isIdentifierQuoted($identifier)
     {
-        return (isset($identifier[0]) && ($identifier[0] == '`' || $identifier[0] == '"'));
+        return (isset($identifier[0]) && ($identifier[0] == '`' || $identifier[0] == '"' || $identifier[0] == '['));
     }
 
     /**
@@ -167,7 +167,7 @@ abstract class AbstractAsset
      */
     protected function trimQuotes($identifier)
     {
-        return str_replace(array('`', '"'), '', $identifier);
+        return str_replace(array('`', '"', '[', ']'), '', $identifier);
     }
 
     /**

tests/Doctrine/Tests/DBAL/Schema/ColumnTest.php

@@ -80,6 +80,7 @@ class ColumnTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @group DBAL-64
+     * @group DBAL-830
      */
     public function testQuotedColumnName()
     {
@@ -92,6 +93,35 @@ class ColumnTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('bar', $column->getName());
         $this->assertEquals('`bar`', $column->getQuotedName($mysqlPlatform));
         $this->assertEquals('"bar"', $column->getQuotedName($sqlitePlatform));
+
+        $column = new Column("[bar]", $string);
+
+        $sqlServerPlatform = new \Doctrine\DBAL\Platforms\SQLServerPlatform();
+
+        $this->assertEquals('bar', $column->getName());
+        $this->assertEquals('[bar]', $column->getQuotedName($sqlServerPlatform));
+    }
+
+    /**
+     * @dataProvider getIsQuoted
+     * @group DBAL-830
+     */
+    public function testIsQuoted($columnName, $isQuoted)
+    {
+        $type = Type::getType('string');
+        $column = new Column($columnName, $type);
+
+        $this->assertSame($isQuoted, $column->isQuoted());
+    }
+
+    public function getIsQuoted()
+    {
+        return array(
+            array('bar', false),
+            array('`bar`', true),
+            array('"bar"', true),
+            array('[bar]', true),
+        );
     }
 
     /**