Fixed failures introduced by strict comparison

lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php

@@ -212,7 +212,7 @@ class PostgreSqlSchemaManager extends AbstractSchemaManager
     {
         $buffer = [];
         foreach ($tableIndexes as $row) {
-            $colNumbers    = explode(' ', $row['indkey']);
+            $colNumbers    = array_map('intval', explode(' ', $row['indkey']));
             $colNumbersSql = 'IN (' . join(' ,', $colNumbers) . ' )';
             $columnNameSql = "SELECT attnum, attname FROM pg_attribute
                 WHERE attrelid={$row['indrelid']} AND attnum $colNumbersSql ORDER BY attnum ASC;";

lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php

@@ -70,6 +70,7 @@ class SQLServerSchemaManager extends AbstractSchemaManager
             $tableColumn['name'] = '';
         }
 
+        if ($default !== null) {
             while ($default !== ($default2 = preg_replace('/^\((.*)\)$/', '$1', $default))) {
                 $default = trim($default2, "'");
 
@@ -79,6 +80,7 @@ class SQLServerSchemaManager extends AbstractSchemaManager
 
                 $default = $this->_platform->getCurrentTimestampSQL();
             }
+        }
 
         switch ($dbType) {
             case 'nchar':