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Do full-precision time comparison when checking for duplicated messages

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We've had microsecond-resolution timestamps since we migrated to Postgres.

(imported from commit 81fe79f00097ceb40105645aa04a2f0ee29d3a19)
This commit is contained in:
Zev Benjamin
2013-08-12 14:14:54 -04:00
parent 8c35db91c0
commit bcc03dd4ab
1 changed files with 2 additions and 6 deletions
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8
zerver/lib/actions.py
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@@ -350,18 +350,14 @@ def already_sent_mirrored_message_id(message):
else:
time_window = datetime.timedelta(seconds=0)
# Since our database doesn't store timestamps with
# better-than-second resolution, we should do our comparisons
# using objects at second resolution
pub_date_lowres = message.pub_date.replace(microsecond=0)
messages = Message.objects.filter(
sender=message.sender,
recipient=message.recipient,
content=message.content,
subject=message.subject,
sending_client=message.sending_client,
pub_date__gte=pub_date_lowres - time_window,
pub_date__lte=pub_date_lowres + time_window)
pub_date__gte=message.pub_date - time_window,
pub_date__lte=message.pub_date + time_window)
if messages.exists():
return messages[0].id