Refs #2992 #49

Also updating schema

git-svn-id: http://dev.piwik.org/svn/trunk@7200 59fd770c-687e-43c8-a1e3-f5a4ff64c105

core/Db/Schema/Myisam.php

@@ -185,7 +185,7 @@ class Piwik_Db_Schema_Myisam implements Piwik_Db_Schema_Interface
 							  visitor_days_since_first SMALLINT(5) UNSIGNED NOT NULL,
 							  visit_first_action_time DATETIME NOT NULL,
 							  visit_last_action_time DATETIME NOT NULL,
-							  visit_exit_idaction_url INTEGER(11) UNSIGNED NOT NULL,
+							  visit_exit_idaction_url INTEGER(11) UNSIGNED NULL DEFAULT 0,
 							  visit_exit_idaction_name INTEGER(11) UNSIGNED NOT NULL,
 							  visit_entry_idaction_url INTEGER(11) UNSIGNED NOT NULL,
 							  visit_entry_idaction_name INTEGER(11) UNSIGNED NOT NULL,
@@ -315,7 +315,7 @@ class Piwik_Db_Schema_Myisam implements Piwik_Db_Schema_Interface
 									          server_time DATETIME NOT NULL,
 											  idvisit INTEGER(10) UNSIGNED NOT NULL,
 											  idaction_url INTEGER(10) UNSIGNED DEFAULT NULL,
-											  idaction_url_ref INTEGER(10) UNSIGNED NOT NULL,
+											  idaction_url_ref INTEGER(10) UNSIGNED NULL DEFAULT 0,
 											  idaction_name INTEGER(10) UNSIGNED,
 											  idaction_name_ref INTEGER(10) UNSIGNED NOT NULL,
 											  time_spent_ref_action INTEGER(10) UNSIGNED NOT NULL,