From 499a2e99e8c09757dcceed0e4bdbeccc53de3a55 Mon Sep 17 00:00:00 2001
From: Branson Stephens <stephenb@uwm.edu>
Date: Mon, 6 May 2013 16:07:22 -0500
Subject: [PATCH] calculating next log number N by taking the max of N's
already in the database.
---
gracedb/models.py | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gracedb/models.py b/gracedb/models.py
index 99c1ec7e6..8d4469273 100644
--- a/gracedb/models.py
+++ b/gracedb/models.py
@@ -7,7 +7,7 @@ import datetime
import thread
import string
import os
-
+import logging
# XXX ER2.utils. utils is in project directory. ugh.
from utils import posixToGpsTime
@@ -200,6 +200,7 @@ class EventLog(models.Model):
issuer = models.ForeignKey(User)
filename = models.CharField(max_length=100, default="")
comment = models.TextField(null=False)
+ #XXX Does this need to be indexed for better performance?
N = models.IntegerField(null=False)
def fileurl(self):
@@ -219,7 +220,7 @@ class EventLog(models.Model):
while (not success and attempts < 5):
attempts = attempts + 1
if self.event.eventlog_set.count():
- self.N = event.eventlog_set.order_by('-N')[0].N + 1
+ self.N = int(self.event.eventlog_set.aggregate(models.Max('N'))['N__max']) + 1
else:
self.N = 1
try:
--
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