Changes between Version 49 and Version 50 of DeveloperGuidelines/Optimisation

Timestamp:

06/18/10 09:29:21 (15 years ago)

Author:

Dominic König

Comment:

--

DeveloperGuidelines/Optimisation

@@ -178 +178 @@
 {{{
 for x in y:
-    if x.a == some_value or other_variable == other_value:
+    if x.a == some_value:
         record = db(db.mytable.id == x.key).select()
         ...<branch 1>
@@ -189 +189 @@
 
 {{{
-if other_variable == other_value:
-    ids1 = [x.key for x in y]
-    ids2 = []
-else:
-    ids1 = filter(lambda x: (x.a == some_value) and x.key or None, y)
-    ids2 = filter(lambda x: (x.a != some_value) and x.other_key or None, y)
+ids1 = filter(lambda x: (x.a == some_value) and x.key or None, y)
+ids2 = filter(lambda x: (x.a != some_value) and x.other_key or None, y)
 if ids1:
     records = db(db.mytable.id.belongs(ids1)).select()
@@ -208 +204 @@
 DeveloperGuidelines
 DeveloperGuidelines
+DeveloperGuidelines