fpdb.py: Add "Recreate HUD Cache" to Database menu

fpdb_db.py: Junk the dropping of indexes/FKs for MySQL INNODB in favor of just telling MySQL to ignore them.  Not sure if that works for other MySQL engines or other Database softwares.

pyfpdb/fpdb.py

@@ -243,6 +243,24 @@ class fpdb:
             #if not lock_released:
             self.release_global_lock()
     #end def dia_recreate_tables
+    
+    def dia_recreate_hudcache(self, widget, data=None):
+        if self.obtain_global_lock():
+            try:
+                dia_confirm = gtk.MessageDialog(parent=None, flags=0, type=gtk.MESSAGE_WARNING, buttons=(gtk.BUTTONS_YES_NO), message_format="Confirm recreating HUD cache")
+                diastring = "Please confirm that you want to re-create the HUD cache."
+                dia_confirm.format_secondary_text(diastring)
+                
+                response = dia_confirm.run()
+                dia_confirm.destroy()
+                if response == gtk.RESPONSE_YES:
+                    self.db.rebuild_hudcache()
+                elif response == gtk.REPSONSE_NO:
+                    print 'User cancelled rebuilding hud cache'
+            except:
+                pass
+        self.release_global_lock()
+    
 
     def dia_regression_test(self, widget, data=None):
         print "todo: implement dia_regression_test"
@@ -306,6 +324,7 @@ class fpdb:
                   <menuitem action="createdb"/>
                   <menuitem action="createuser"/>
                   <menuitem action="createtabs"/>
+                  <menuitem action="rebuildhudcache"/>
                   <menuitem action="stats"/>
                   <menuitem action="sessions"/>
                 </menu>
@@ -344,6 +363,7 @@ class fpdb:
                                  ('createdb', None, 'Create or Delete _Database (todo)', None, 'Create or Delete Database', self.dia_create_del_database),
                                  ('createuser', None, 'Create or Delete _User (todo)', None, 'Create or Delete User', self.dia_create_del_user),
                                  ('createtabs', None, 'Create or Recreate _Tables', None, 'Create or Recreate Tables ', self.dia_recreate_tables),
+                                 ('rebuildhudcache', None, 'Rebuild HUD Cache', None, 'Rebuild HUD Cache', self.dia_recreate_hudcache),
                                  ('stats', None, '_Statistics (todo)', None, 'View Database Statistics', self.dia_database_stats),
                                  ('sessions', None, 'Sessions', None, 'View Sessions', self.dia_database_sessions),
                                  ('help', None, '_Help'),

pyfpdb/fpdb_db.py

@@ -356,6 +356,10 @@ class fpdb_db:
         """Drop some indexes/foreign keys to prepare for bulk import. 
            Currently keeping the standalone indexes as needed to import quickly"""
         stime = time()
+        if self.backend == self.MYSQL_INNODB:
+            self.cursor.execute("SET foreign_key_checks=0")
+            self.cursor.execute("SET autocommit=0")
+            return
         if self.backend == self.PGSQL:
             self.db.set_isolation_level(0)   # allow table/index operations to work
         for fk in self.foreignKeys[self.backend]:
@@ -445,6 +449,12 @@ class fpdb_db:
     def afterBulkImport(self):
         """Re-create any dropped indexes/foreign keys after bulk import"""
         stime = time()
+        
+        if self.backend == self.MYSQL_INNODB:
+            self.cursor.execute("SET foreign_key_checks=1")
+            self.cursor.execute("SET autocommit=1")
+            return
+
         if self.backend == self.PGSQL:
             self.db.set_isolation_level(0)   # allow table/index operations to work
         for fk in self.foreignKeys[self.backend]: