diff --git a/src/mongo/base/DriverBase.class.php b/src/mongo/base/DriverBase.class.php
index 96b11624..1f820ccc 100644
--- a/src/mongo/base/DriverBase.class.php
+++ b/src/mongo/base/DriverBase.class.php
@@ -204,6 +204,20 @@ public function timingLog($type, $params=null)
      * @param string $message
      * @param array|null $params
      */
+    /**
+     * @param $message
+     * @param array|null $params
+     */
+    public function infoLog($message, $params=null)
+    {
+        $this->log(\Psr\Log\LogLevel::INFO,$message,$params);
+
+    }
+
+    /**
+     * @param $message
+     * @param array|null $params
+     */
     public function debugLog($message, $params=null)
     {
         $this->log(\Psr\Log\LogLevel::DEBUG,$message,$params);
diff --git a/test/unit/mongo/MongoTripodConfigTest.php b/test/unit/mongo/MongoTripodConfigTest.php
index f6153f7f..cf125845 100644
--- a/test/unit/mongo/MongoTripodConfigTest.php
+++ b/test/unit/mongo/MongoTripodConfigTest.php
@@ -1264,6 +1264,71 @@ public function testDataLoadedInConfiguredDataSource()
         }
     }
 
+    public function testTransactionLogIsWrittenToCorrectDBAndCollection()
+    {
+        $storeName = 'tripod_php_testing';
+        $newConfig = \Tripod\Mongo\Config::getConfig();
+        $newConfig['transaction_log']['database'] = 'tripod_php_testing_transaction_log';
+        $newConfig['transaction_log']['collection'] = 'transaction_log';
+
+        \Tripod\Mongo\Config::setConfig($newConfig);
+
+        $config = \Tripod\Mongo\Config::getInstance();
+
+        // Clear out any old data
+        $tlogDB = $config->getTransactionLogDatabase();
+        $tlogDB->drop();
+
+
+        // Make sure the dbs do not exist
+        $transactionConnInfo = $newConfig['data_sources'][$newConfig['transaction_log']['data_source']];
+        $options = isset($transactionConnInfo['replicaSet']) && !empty($transactionConnInfo['replicaSet']) ? array('replicaSet' => $transactionConnInfo['replicaSet']): array();
+        $transactionMongo = new MongoClient($transactionConnInfo['connection'], $options);
+        $transactionDbInfo = $transactionMongo->listDBs();
+        foreach($transactionDbInfo['databases'] as $db){
+            $this->assertNotEquals($db['name'], $newConfig['transaction_log']['database'], $newConfig['queue']['database']);
+        }
+        $tqueuesConnInfo = $newConfig['data_sources'][$newConfig['transaction_log']['data_source']];
+        $options = isset($tqueuesConnInfo['replicaSet']) && !empty($tqueuesConnInfo['replicaSet']) ? array('replicaSet' => $tqueuesConnInfo['replicaSet']): array();
+        $queuesMongo = new MongoClient($tqueuesConnInfo['connection'], $options);
+        $queuesDbInfo = $queuesMongo->listDBs();
+        foreach($queuesDbInfo['databases'] as $db){
+            $this->assertNotEquals($db['name'], $newConfig['transaction_log']['database'], $newConfig['queue']['database']);
+        }
+
+        // Start adding some data
+        $this->tripod = new \Tripod\Mongo\Driver('CBD_testing', $storeName, array(OP_ASYNC=>array(OP_VIEWS=>true,OP_TABLES=>false,OP_SEARCH=>false)));
+        $this->loadBaseDataViaTripod();
+
+        $graph = new \Tripod\Mongo\MongoGraph();
+        $subject = 'http://example.com/' . uniqid();
+        $labeller = new \Tripod\Mongo\Labeller();
+        $graph->add_resource_triple($subject, RDF_TYPE, $labeller->qname_to_uri('foaf:Person'));
+        $graph->add_literal_triple($subject, FOAF_NAME, "Anne Example");
+        $this->tripod->saveChanges(new \Tripod\ExtendedGraph(), $graph);
+
+        $newGraph = $this->tripod->describeResource($subject);
+        $newGraph->add_literal_triple($subject, $labeller->qname_to_uri('foaf:email'), 'anne@example.com');
+        $this->tripod->saveChanges($graph, $newGraph);
+
+        // Make sure the dbs do now exist
+        $transactionDbInfo = $transactionMongo->listDBs();
+        $transactionDbExists = false;
+        foreach($transactionDbInfo['databases'] as $db){
+            if($db['name'] === $newConfig['transaction_log']['database']){
+                $transactionDbExists = true;
+            }
+        }
+        $this->assertTrue($transactionDbExists);
+
+        // Make sure the data in the dbs look right
+        $transactionColletion = $transactionMongo->selectCollection($newConfig['transaction_log']['database'], $newConfig['transaction_log']['collection']);
+        $transactionCount = $transactionColletion->count();
+        $transactionExampleDocument = $transactionColletion->findOne();
+        $this->assertEquals(18, $transactionCount);
+        $this->assertContains('transaction_', $transactionExampleDocument["_id"]);
+    }
+
     public function testComputedFieldSpecValidationInvalidFunction()
     {
         $newConfig = \Tripod\Mongo\Config::getConfig();
diff --git a/test/unit/mongo/MongoTripodTablesTest.php b/test/unit/mongo/MongoTripodTablesTest.php
index 7de26f29..f4ccebb6 100644
--- a/test/unit/mongo/MongoTripodTablesTest.php
+++ b/test/unit/mongo/MongoTripodTablesTest.php
@@ -1551,4 +1551,75 @@ public function testSavingMultipleNewEntitiesResultsInOneImpactedSubject()
         $impactedSubjects = $tables->getImpactedSubjects($subjectsAndPredicatesOfChange, 'http://talisaspire.com/');
         $this->assertEquals($expectedImpactedSubjects, $impactedSubjects);
     }
+
+    public function testRemoveTableSpecDoesNotAffectInvalidation()
+    {
+        foreach(\Tripod\Mongo\Config::getInstance()->getTableSpecifications($this->tripod->getStoreName()) as $specId=>$spec)
+        {
+            $this->generateTableRows($specId);
+        }
+
+
+        $context = 'http://talisaspire.com/';
+        $uri = "http://talisaspire.com/works/4d101f63c10a6";
+
+        $collection = \Tripod\Mongo\Config::getInstance()->getCollectionForTable('tripod_php_testing', 't_resource');
+        $this->assertGreaterThan(0, $collection->count(array('_id.type'=>'t_resource', 'value._impactIndex'=>array(_ID_RESOURCE=>$uri, _ID_CONTEXT=>$context))));
+        $config = \Tripod\Mongo\Config::getConfig();
+        unset($config['stores']['tripod_php_testing']['table_specifications'][0]);
+        \Tripod\Mongo\Config::setConfig($config);
+
+
+        /** @var PHPUnit_Framework_MockObject_MockObject|\Tripod\Mongo\Driver $mockTripod */
+        $mockTripod = $this->getMockBuilder('\Tripod\Mongo\Driver')
+            ->setMethods(array('getComposite'))
+            ->setConstructorArgs(
+                array(
+                    'CBD_testing',
+                    'tripod_php_testing',
+                    array(
+                        'defaultContext'=>$context,
+                        OP_ASYNC=>array(
+                            OP_VIEWS=>true,
+                            OP_TABLES=>false,
+                            OP_SEARCH=>true
+                        )
+                    )
+                )
+            )
+            ->getMock();
+
+        $mockTables = $this->getMockBuilder('\Tripod\Mongo\Composites\Tables')
+            ->setMethods(array('update'))
+            ->setConstructorArgs(
+                array(
+                    'tripod_php_testing',
+                    \Tripod\Mongo\Config::getInstance()->getCollectionForCBD('tripod_php_testing', 'CBD_testing'),
+                    $context
+                )
+            )
+            ->getMock();
+
+        $labeller = new \Tripod\Mongo\Labeller();
+
+
+        $mockTripod->expects($this->once())
+            ->method('getComposite')
+            ->with(OP_TABLES)
+            ->will($this->returnValue($mockTables));
+
+        $mockTables->expects($this->never())
+            ->method('update');
+
+
+        $originalGraph = $mockTripod->describeResource($uri);
+        $updatedGraph = $originalGraph->get_subject_subgraph($uri);
+        $updatedGraph->add_literal_triple($uri, $labeller->qname_to_uri('dct:description'), 'Physics textbook');
+
+        $mockTripod->saveChanges($originalGraph, $updatedGraph);
+
+        // The table row should still be there, even if the tablespec no longer exists
+        $this->assertGreaterThan(0, $collection->count(array('_id.type'=>'t_resource', 'value._impactIndex'=>array(_ID_RESOURCE=>$uri, _ID_CONTEXT=>$context))));
+
+    }
 }
\ No newline at end of file