diff --git a/bin/service/web_services.py b/bin/service/web_services.py
index 69d8015f241..55ecdf91f04 100644
--- a/bin/service/web_services.py
+++ b/bin/service/web_services.py
@@ -65,8 +65,8 @@ class db(netsvc.Service):
         self.actions[id] = {'clean': False}
 
         db = sql_db.db_connect('template1', serialize=1)
-        db.truedb.autocommit()
         cr = db.cursor()
+        cr.autocommit(True)
         time.sleep(0.2)
         cr.execute('CREATE DATABASE ' + db_name + ' ENCODING \'unicode\'')
         cr.close()
@@ -140,12 +140,12 @@ class db(netsvc.Service):
 
     def drop(self, password, db_name):
         security.check_super(password)
-        pooler.close_db(db_name)
+        sql_db.close_db(db_name)
         logger = netsvc.Logger()
 
         db = sql_db.db_connect('template1', serialize=1)
-        db.truedb.autocommit()
         cr = db.cursor()
+        cr.autocommit(True)
         try:
             try:
                 cr.execute('DROP DATABASE ' + db_name)
@@ -195,8 +195,8 @@ class db(netsvc.Service):
             raise Exception, "Database already exists"
 
         db = sql_db.db_connect('template1', serialize=1)
-        db.truedb.autocommit()
         cr = db.cursor()
+        cr.autocommit(True)
         cr.execute('CREATE DATABASE ' + db_name + ' ENCODING \'unicode\'')
         cr.close()
 
@@ -231,7 +231,6 @@ class db(netsvc.Service):
     def db_exist(self, db_name):
         try:
             db = sql_db.db_connect(db_name)
-            db.truedb.close()
             return True
         except:
             return False
@@ -256,7 +255,6 @@ class db(netsvc.Service):
             cr.close()
         except:
             res = []
-        db.truedb.close()
         res.sort()
         return res
 
diff --git a/bin/sql_db.py b/bin/sql_db.py
index e52b94d89fa..ccf57d0c718 100644
--- a/bin/sql_db.py
+++ b/bin/sql_db.py
@@ -28,6 +28,21 @@ from psycopg2.psycopg1 import cursor as psycopg1cursor
 import psycopg2.extensions
 psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
 
+types_mapping = {
+    'date': (1082,),
+    'time': (1083,),
+    'datetime': (1114,),
+}
+
+def undecimalize(symb, cr):
+    if symb is None: return None
+    return float(symb)
+
+for name, typeoid in types_mapping.items():
+    psycopg2.extensions.register_type(psycopg2.extensions.new_type(typeoid, name, lambda x, cr: x))
+psycopg2.extensions.register_type(psycopg2.extensions.new_type((700, 701, 1700,), 'float', undecimalize))
+
+
 import tools
 import re
 
@@ -64,16 +79,19 @@ class Cursor(object):
         query = base_string(query)
 
         if '%d' in query or '%f' in query:
-            log(queyr, netsvc.LOG_WARNING)
+            #import traceback
+            #traceback.print_stack()
+            log(query, netsvc.LOG_WARNING)
             log("SQL queries mustn't containt %d or %f anymore. Use only %s", netsvc.LOG_WARNING)
-            query = query.replace('%d', '%s').replace('%f', '%s')
+            if p:
+                query = query.replace('%d', '%s').replace('%f', '%s')
 
         if self.sql_log:
             now = mdt.now()
             log("SQL LOG query: %s" % (query,))
             log("SQL LOG params: %r" % (p,))
 
-        res = self._obj.execute(query, p)
+        res = self._obj.execute(query, p or None)
 
         if self.sql_log:
             self.count+=1
@@ -103,7 +121,7 @@ class Cursor(object):
         log("SUM:%s/%d" % (sum, self.count))
 
     def close(self):
-        if self.sql_log:
+        if self.sql_from_log or self.sql_into_log:
             self.print_log('from')
             self.print_log('into')
         self._obj.close()
@@ -166,8 +184,17 @@ class PoolManager(object):
         return PoolManager._pools[db_name]
     get = staticmethod(get)
 
+    def close(db_name):
+        if db_name is PoolManager._pools:
+            PoolManager._pools[db_name].closeall()
+            del PoolManager._pools[db_name]
+    close = staticmethod(close)
+
 def db_connect(db_name, serialize=0):
     return PoolManager.get(db_name)
 
+def close_db(db_name):
+    return PoolManager.close(db_name)
+
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: