// currentTable is now the array element corresponding the the action
                        // at this point we may be for example at the 4th level of depth in the hierarchy
                        try {
                                if(!is_object($currentTable[$actionName]))
                                        throw new Exception('not object: '.var_export($currentTable[$actionName],true));
                                else
                                        $currentTable =& $currentTable[$actionName];
                        } catch (Exception $e) {
                                echo 'Caught exception: ',  $e->getMessage(), "\n";
                        }

# /www/piwik/misc/cron/archive.sh 
Caught exception: not object: NULL

Fatal error: Cannot use object of type Piwik_DataTable_Row as array in /www/piwik/plugins/Actions/Actions.php on line 387

--- plugins/Actions/Actions.php      2009-12-17 19:15:00.000000000 +0100
+++ plugins/Actions/Actions.php   2009-12-30 18:54:30.000000000 +0100
@@ -364,7 +364,10 @@
                        for($level = 0 ; $level < $end; $level++)
                        {
                                $actionCategory = $actionExplodedNames[$level];
-                               $currentTable =& $currentTable[$actionCategory];
+                               if(is_array($currentTable))
+                               {
+                                       $currentTable =& $currentTable[$actionCategory];
+                               }
                        }
                        $actionName = $actionExplodedNames[$end];

@@ -382,9 +385,11 @@

                        // currentTable is now the array element corresponding the the action
                        // at this point we may be for example at the 4th level of depth in the hierarchy
-                       $currentTable =& $currentTable[$actionName];
-
-                       // add the row to the matching sub category subtable
+                       if(is_array($currentTable))
+                       {
+                               $currentTable =& $currentTable[$actionName];
+                       }
+
                        if(!($currentTable instanceof Piwik_DataTable_Row))
                        {
                                if( $row['type'] == Piwik_Tracker_Action::TYPE_ACTION_NAME )

                        // currentTable is now the array element corresponding the the action
                        // at this point we may be for example at the 4th level of depth in the hierarchy
                        if(!is_object($currentTable)) {
                            $currentTable =& $currentTable[$actionName];
                        }

 array(1) { ["sixcms"]=>  &NULL } NULL array(2) { [0]=>  string(6) "sixcms" [1]=>  string(36) "detail.php?id=2826&_nav_id1=2591" } string(1) "1" 

    protected function updateActionsTableWithRowQuery($query)
    {
        $rowsProcessed = 0;
        while( $row = $query->fetch() )
        {
            // in some unknown case, the type field is NULL, as reported in #1082 - we ignore this page view
            if(empty($row['type'])) {
                continue;
            }

            // change urls like http:///www.cnn.com => http://www.cnn.com
            $row['name']=str_replace("///","//",$row['name']);
            // change urls like http://http://www.cnn.com => http://www.cnn.com
            $row['name']=str_replace("http://http://","http://",$row['name']);
            // change urls like http:/www.cnn.com => http://www.cnn.com
            if( strpos($row['name'], "http://" ) === FALSE){
                $row['name']=str_replace("http:/","http://",$row['name']);
            }

            $actionExplodedNames = $this->getActionExplodedNames($row['name'], $row['type']);

            // we work on the root table of the given TYPE (either ACTION_URL or DOWNLOAD or OUTLINK etc.)
            $currentTable =& $this->actionsTablesByType[$row['type']];
            // go to the level of the subcategory
            $end = count($actionExplodedNames)-1;
            for($level = 0 ; $level < $end; $level++)
            {
                $actionCategory = $actionExplodedNames[$level];
                $currentTable =& $currentTable[$actionCategory];
            }
            $actionName = $actionExplodedNames[$end];

            // we are careful to prefix the page URL / name with some value
            // so that if a page has the same name as a category 
            // we don't merge both entries 
            if($row['type'] == Piwik_Tracker_Action::TYPE_ACTION_URL )
            {
                $actionName = '/' . $actionName;
            }
            else if( $row['type'] == Piwik_Tracker_Action::TYPE_ACTION_NAME )
            {
                $actionName = ' ' . $actionName;
            }

            // currentTable is now the array element corresponding the the action
            // at this point we may be for example at the 4th level of depth in the hierarchy
            $currentTable =& $currentTable[$actionName];

            // add the row to the matching sub category subtable
            if(!($currentTable instanceof Piwik_DataTable_Row))
            {
                if( $row['type'] == Piwik_Tracker_Action::TYPE_ACTION_NAME )
                {
                    $currentTable = new Piwik_DataTable_Row(array(
                            Piwik_DataTable_Row::COLUMNS => array('label' => (string)$actionName),
                        )); 
                }
                else
                {
                    $currentTable = new Piwik_DataTable_Row(array(
                            Piwik_DataTable_Row::COLUMNS => array('label' => (string)$actionName),
                            Piwik_DataTable_Row::METADATA => array('url' => (string)$row['name']),
                        ));
                }
            }

            foreach($row as $name => $value)
            {
                // we don't add this information as itnot pertinent
                // name is already set as the label // and it has been cleaned from the categories and extracted from the initial string
                // type is used to partition the different actions type in different table. Adding the info to the row would be a duplicate. 
                if($name != 'name' 
                    && $name != 'type')
                {
                    // in some edge cases, we have twice the same action name with 2 different idaction
                    // this happens when 2 visitors visit the same new page at the same time, there is a SELECT and an INSERT for each new page, 
                    // and in between the two the other visitor comes. 
                    // here we handle the case where there is already a row for this action name, if this is the case we add the value
                    if(($alreadyValue = $currentTable->getColumn($name)) !== false)
                    {
                        $currentTable->setColumn($name, $alreadyValue+$value);
                    }
                    else
                    {
                        $currentTable->addColumn($name, $value);
                    }
                }
            }

            // if the exit_action was not recorded properly in the log_link_visit_action
            // there would be an error message when getting the nb_hits column
            // we must fake the record and add the columns
            if($currentTable->getColumn('nb_hits') === false)
            {
                // to test this code: delete the entries in log_link_action_visit for
                //  a given exit_idaction_url
                foreach($this->defaultRow->getColumns() as $name => $value)
                {
                    $currentTable->addColumn($name, $value);
                }
            }
            // simple count 
            $rowsProcessed++;
        }

        // just to make sure php copies the last $currentTable in the $parentTable array
        $currentTable =& $this->actionsTablesByType;
        return $rowsProcessed;
    }

            // change urls like http:///www.cnn.com => http://www.cnn.com
            $row['name']=str_replace("///","//",$row['name']);
            // change urls like http://http://www.cnn.com => http://www.cnn.com
            $row['name']=str_replace("http://http://","http://",$row['name']);
            // change urls like http:/www.cnn.com => http://www.cnn.com
            if( strpos($row['name'], "http://" ) === FALSE){
                $row['name']=str_replace("http:/","http://",$row['name']);
            }