[Bug 1366104] Re: [FFe] OperationError when large object greater than 2gb

[Scott Kitterman]

Not marking the bug invalid, since it's an actual limitation of the
current pyscopg2 we have, but FFe not approved.

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https://bugs.launchpad.net/bugs/1366104

Title:
  [FFe] OperationError when large object greater than 2gb

Status in MAAS:
  Fix Committed
Status in “psycopg2” package in Ubuntu:
  New

Bug description:
  If a large object is greater than 2gb then calls to seek and tell will
  fail with an OperationError. This is because of the use of lseek and
  ltell instead of the lseek64 and ltell64.

  This issue affects MAAS (or any other software) when trying to upload
  an object that is larger than 2GB. In the case of MAAS, it is
  uploading images that are larger than 2GB causing this to fail

  This has been tested in Ubuntu Trusty and Utopic:

  https://launchpad.net/~maas-
  maintainers/+archive/ubuntu/experimental?field.series_filter=utopic

  
  psycopg2 (2.5.3+dfsg-1ubuntu1) utopic; urgency=medium

    * debian/patches/99_allow_large_objects.patch: Allow large objects
      greater than 2GB. (LP: #1366104)
   -- Andres Rodriguez <andreserl at ubuntu.com>   Fri, 19 Sep 2014 12:30:26 -0500

  diff:
  https://launchpad.net/~maas-maintainers/+archive/ubuntu/experimental/+files/psycopg2_2.5.3%2Bdfsg-1_2.5.3%2Bdfsg-1ubuntu1~ppa1.diff.gz

  Attached is the upstream issue and pull request.
  https://github.com/psycopg/psycopg2/pull/259

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