Enable a transaction cache in catalogObjectList if possible.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4630 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/SQLCatalog.py

@@ -58,6 +58,14 @@ try:
 except ImportError:
   psyco = None
 
+try:
+  from Products.ERP5Type.Cache import enableTransactionCache, disableTransactionCache
+except ImportError:
+  def doNothing(context):
+    pass
+  enableTransactionCache = doNothing
+  disableTransactionCache = doNothing
+  
 UID_BUFFER_SIZE = 300
 
 valid_method_meta_type_list = ('Z SQL Method', 'Script (Python)')
@@ -1021,6 +1029,9 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
     argument_cache = {}
     expression_cache = {}
 
+    try:
+      enableTransactionCache(self)
+      
       method_kw_dict = {}
       for method_name in methods:
         kw = {}
@@ -1104,6 +1115,9 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
           LOG("SQLCatalog Warning: could not catalog objects with method %s" % method_name,100, str(object_list),
               error=sys.exc_info())
           raise
+    finally:
+      disableTransactionCache(self)
+
       
   if psyco is not None: psyco.bind(catalogObjectList)