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[Bug 1173133] Re: SQLAlchemy Query can be used as an iterable to avoid creation of a list

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 11:11:09 -0000
Reply-to: Bug 1173133 <1173133@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: quantum
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1173133

Title:
  SQLAlchemy Query can be used as an iterable to avoid creation of a
  list

Status in OpenStack Quantum (virtual network service):
  Fix Released

Bug description:
  A Query.all() call creates a list of a DB query results.  We can
  actually use a Query instance as an iterable and thus avoid creation
  of a list if we just need to iterate over those values only once.

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