[DBAL-244] Fix Schema bug

lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php

@@ -43,7 +43,7 @@ class PostgreSqlSchemaManager extends AbstractSchemaManager
      */
     public function getSchemaNames()
     {
-        $rows = $this->_conn->fetchAll('SELECT schema_name FROM information_schema.schemata');
+        $rows = $this->_conn->fetchAll("SELECT nspname as schema_name FROM pg_namespace WHERE nspname !~ '^pg_.*' and nspname != 'information_schema'");
         return array_map(function($v) { return $v['schema_name']; }, $rows);
     }
 

tests/Doctrine/Tests/DBAL/Functional/Schema/PostgreSqlSchemaManagerTest.php

@@ -13,8 +13,14 @@ class PostgreSqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
     public function tearDown()
     {
         parent::tearDown();
+
+        if (!$this->_conn) {
+            return;
+        }
+
         $this->_conn->getConfiguration()->setFilterSchemaAssetsExpression(null);
     }
+
     /**
      * @group DBAL-177
      */
@@ -26,6 +32,18 @@ class PostgreSqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
         $this->assertEquals(array($params['user'], 'public'), $paths);
     }
 
+    /**
+     * @group DBAL-244
+     */
+    public function testGetSchemaNames()
+    {
+        $names = $this->_sm->getSchemaNames();
+
+        $this->assertInternalType('array', $names);
+        $this->assertTrue(count($names) > 0);
+        $this->assertTrue(in_array('public', $names), "The public schema should be found.");
+    }
+
     /**
      * @group DBAL-21
      */