Seif Lotfy has proposed merging lp:~seif/zeitgeist/use-new-placeholders into 
lp:zeitgeist.

Requested reviews:
  Zeitgeist Framework Team (zeitgeist)


The SQLite docs say:
---
You shouldn’t assemble your query using Python’s string operations because 
doing so is insecure; it makes your program vulnerable to an SQL injection 
attack.

Instead, use the DB-API’s parameter substitution. Put ? as a placeholder 
wherever you want to use a value, and then provide a tuple of values as the 
second argument to the cursor’s execute() method.
---
This branch fixes it.
-- 
https://code.launchpad.net/~seif/zeitgeist/use-new-placeholders/+merge/42943
Your team Zeitgeist Framework Team is requested to review the proposed merge of 
lp:~seif/zeitgeist/use-new-placeholders into lp:zeitgeist.
=== modified file '_zeitgeist/engine/main.py'
--- _zeitgeist/engine/main.py	2010-11-29 09:09:13 +0000
+++ _zeitgeist/engine/main.py	2010-12-07 14:01:20 +0000
@@ -169,7 +169,7 @@
 		rows = self._cursor.execute("""
 			SELECT * FROM event_view
 			WHERE id IN (%s)
-			""" % ",".join("%d" % id for id in ids)).fetchall()
+			""" % ",".join('?'*len(ids)), ids).fetchall()
 		
 		id_hash = defaultdict(list)
 		for n, id in enumerate(ids):
@@ -448,7 +448,7 @@
 			rows = self._cursor.execute("""
 				SELECT id, timestamp, subj_uri FROM event_view
 				WHERE id IN (%s)
-				""" % ",".join("%d" % id for id in pot)).fetchall()
+				""" % ",".join('?'*len(pot)), pot).fetchall()
 			
 			subject_uri_counter = defaultdict(int)
 			latest_uris = defaultdict(int)
@@ -600,7 +600,7 @@
 			SELECT MIN(timestamp), MAX(timestamp)
 			FROM event
 			WHERE id IN (%s)
-		""" % ",".join(str(int(_id)) for _id in ids))
+		""" % ",".join(["?"] * len(ids)), ids)
 		timestamps = self._cursor.fetchone()
 
 		# Make sure that we actually found some events with these ids...

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