instances.task_description column size is too small

[Mat Lowery]

This is an improvement to avoid future problems like this: https://bugs.launchpad.net/trove/+bug/1334360. See also https://review.openstack.org/#/c/102601/.

Doug Shelley proposed a new column size of 255.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/111560

[Nikhil Manchanda (slicknik)]

Issue is not release critical to hold juno-rc1 for. Moving to kilo-1.

[Amrith Kumar (amrith)]

Updating importance to "Wishlist" (bugscrub, 2014-10-23)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/111560
Committed: https://git.openstack.org/cgit/openstack/trove/commit/?id=d9c55d2759d6d37be9bbfbb8776bc1a8f9611322
Submitter: Jenkins
Branch: master

commit d9c55d2759d6d37be9bbfbb8776bc1a8f9611322
Author: Li Ma <email address hidden>
Date: Sun Aug 3 01:36:30 2014 -0700

    Increase instances.task_description column size

    The instances.task_description column size is too small to use.
    This fix increases it to 255.

    The migration is totally safe and the downgrade operation
    is not needed.

    Change-Id: I658e0dea3d304409085162ec4a2b79f8473a71c4
    Closes-Bug: #1334795