diff --git a/.travis.yml b/.travis.yml
index 2bb352d..bb726e5 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,13 +28,18 @@ matrix:
       env: DB=MYSQL COVERAGE=1
     - php: 5.5
       env: DB=MYSQL
+    - php: 5.6
+      env: DB=PGSQL
+    - php: 5.6
+      env: DB=MYSQL CORE_RELEASE=3.2
+    - php: 5.6
+      env: DB=PGSQL CORE_RELEASE=3.2
     - php: 5.4
       env: DB=MYSQL
     - php: 5.3
       env: DB=MYSQL
     - php: hhvm
       env: DB=MYSQL
-      before_install:
 
 
 before_script:
diff --git a/code/extensions/URLSegmentExtension.php b/code/extensions/URLSegmentExtension.php
index fd13d45..7485adb 100644
--- a/code/extensions/URLSegmentExtension.php
+++ b/code/extensions/URLSegmentExtension.php
@@ -20,7 +20,9 @@ class URLSegmentExtension extends DataExtension
      */
     public function onBeforeWrite()
     {
-        $this->owner->generateURLSegment();
+        if ($this->owner->BlogID) {
+            $this->owner->generateURLSegment();
+        }
     }
 
     /**
@@ -40,6 +42,12 @@ class URLSegmentExtension extends DataExtension
             $this->owner->URLSegment .= '-' . $increment;
         }
 
+        // Postgres use '' instead of 0 as an emtpy blog ID
+        // Without this all the tests fail
+        if (!$this->owner->BlogID) {
+            $this->owner->BlogID = 0;
+        }
+
         $duplicate = DataList::create($this->owner->ClassName)->filter(array(
             'URLSegment' => $this->owner->URLSegment,
             'BlogID' => $this->owner->BlogID,
diff --git a/code/model/Blog.php b/code/model/Blog.php
index 6be5b9f..14e9727 100644
--- a/code/model/Blog.php
+++ b/code/model/Blog.php
@@ -473,16 +473,38 @@ class Blog extends Page implements PermissionProvider
 
         $query->innerJoin('BlogPost', sprintf('"SiteTree%s"."ID" = "BlogPost%s"."ID"', $stage, $stage));
 
-        $query->where(sprintf('YEAR("PublishDate") = \'%s\'', Convert::raw2sql($year)));
+        // getConn is deprecated, but not get_conn in 3.1
+        $getConnectionMethod = 'getConn';
+        if (method_exists('DB','get_conn')) {
+            $getConnectionMethod = 'get_conn';
+        };
 
-        if ($month) {
-            $query->where(sprintf('MONTH("PublishDate") = \'%s\'', Convert::raw2sql($month)));
 
-            if ($day) {
-                $query->where(sprintf('DAY("PublishDate") = \'%s\'', Convert::raw2sql($day)));
+        if (DB::$getConnectionMethod() instanceof MySQLDatabase) {
+            $query->where(sprintf('YEAR("PublishDate") = \'%s\'', Convert::raw2sql($year)));
+
+            if ($month) {
+                $query->where(sprintf('MONTH("PublishDate") = \'%s\'', Convert::raw2sql($month)));
+
+                if ($day) {
+                    $query->where(sprintf('DAY("PublishDate") = \'%s\'', Convert::raw2sql($day)));
+                }
             }
+        } elseif (DB::$getConnectionMethod() instanceof PostgreSQLDatabase) {
+            $where = sprintf('EXTRACT(YEAR FROM "PublishDate") = \'%s\'', Convert::raw2sql($year));
+
+            if ($month) {
+                $where .= sprintf(' AND EXTRACT(MONTH FROM "PublishDate") = \'%s\'', Convert::raw2sql($month));
+
+                if ($day) {
+                    $where .= sprintf(' AND EXTRACT(DAY FROM "PublishDate") = \'%s\'', Convert::raw2sql($day));
+                }
+            }
+
+            $query->where($where);
         }
 
+
         return $this->getBlogPosts()->setDataQuery($query);
     }
 
diff --git a/code/model/BlogPost.php b/code/model/BlogPost.php
index b379441..31a1173 100644
--- a/code/model/BlogPost.php
+++ b/code/model/BlogPost.php
@@ -93,7 +93,7 @@ class BlogPost extends Page
 
     /**
      * The default sorting lists BlogPosts with an empty PublishDate at the top.
-     * 
+     *
      * @var string
      */
     private static $default_sort = '"PublishDate" IS NULL DESC, "PublishDate" DESC';
diff --git a/tests/BlogPostTest.php b/tests/BlogPostTest.php
index fd7b575..a343176 100644
--- a/tests/BlogPostTest.php
+++ b/tests/BlogPostTest.php
@@ -34,7 +34,7 @@ class BlogPostTest extends SapphireTest
         SS_Datetime::set_mock_now($date);
         $this->assertEquals($canView, $pageRecord->canView($userRecord));
     }
-    
+
     public function canViewProvider()
     {
         $someFutureDate = '2013-10-10 20:00:00';
@@ -45,13 +45,13 @@ class BlogPostTest extends SapphireTest
             array($someFutureDate, 'Contributor', 'PostA', true),
             array($someFutureDate, 'BlogEditor', 'PostA', true),
             array($someFutureDate, 'Writer', 'PostA', true),
-            
+
             // Check unpublished pages
             array($somePastDate, 'Editor', 'PostA', true),
             array($somePastDate, 'Contributor', 'PostA', true),
             array($somePastDate, 'BlogEditor', 'PostA', true),
             array($somePastDate, 'Writer', 'PostA', true),
-            
+
             // Test a page that was authored by another user
 
             // Check this post given the date has passed
@@ -59,7 +59,7 @@ class BlogPostTest extends SapphireTest
             array($someFutureDate, 'Contributor', 'FirstBlogPost', true),
             array($someFutureDate, 'BlogEditor', 'FirstBlogPost', true),
             array($someFutureDate, 'Writer', 'FirstBlogPost', true),
-            
+
             // Check future pages - non-editors shouldn't be able to see this
             array($somePastDate, 'Editor', 'FirstBlogPost', true),
             array($somePastDate, 'Contributor', 'FirstBlogPost', false),
@@ -75,7 +75,7 @@ class BlogPostTest extends SapphireTest
         $this->assertEquals(7, $blogpost->getCandidateAuthors()->count());
 
         //Set the group to draw Members from
-        Config::inst()->update('BlogPost', 'restrict_authors_to_group', 'BlogUsers');
+        Config::inst()->update('BlogPost', 'restrict_authors_to_group', 'blogusers');
 
         $this->assertEquals(3, $blogpost->getCandidateAuthors()->count());
 
diff --git a/tests/BlogTagTest.php b/tests/BlogTagTest.php
index 7f4eca7..1c16576 100755
--- a/tests/BlogTagTest.php
+++ b/tests/BlogTagTest.php
@@ -131,4 +131,22 @@ class BlogTagTest extends FunctionalTest
         $this->assertTrue($tag->canDelete($admin), 'Admin should always be able to delete tags.');
         $this->assertTrue($tag->canDelete($editor), 'Editor should be able to delete tag.');
     }
+
+    public function testDuplicateTagsForURLSegment() {
+        $blog = new Blog();
+        $blog->Title = 'Testing for duplicates blog';
+        $blog->write();
+        $tag1 = new BlogTag();
+        $tag1->Title = 'Cat';
+        $tag1->BlogID = $blog->ID;
+        $tag1->write();
+        $this->assertEquals('cat', $tag1->URLSegment);
+
+        $tag2 = new BlogTag();
+        $tag2->Title = 'Cat';
+        $tag2->BlogID = $blog->ID;
+        $tag2->write();
+        $this->assertEquals('cat-0', $tag2->URLSegment);
+
+    }
 }