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[Mahara Bot <1400524@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://reviews.mahara.org/4145
Committed: http://gitorious.org/mahara/mahara/commit/dc478caf2b219efd93b06a9bf0ed8c2d2fc40a92
Submitter: Son Nguyen (son.nguyen@xxxxxxxxxxxxxxx)
Branch:    1.10_STABLE

commit dc478caf2b219efd93b06a9bf0ed8c2d2fc40a92
Author: Aaron Wells <aaronw@xxxxxxxxxxxxxxx>
Date:   Tue Dec 9 14:37:33 2014 +1300

Even quicker way to fill in artefact paths

Bug 1400524: On a large site, the database queries to retrieve
all records from the artefact table can take too long to execute
and cause the PHP script to time out.

This optimization attempts to fix that by filling in the paths
with an iterative series of UPDATE queries instead.

Change-Id: I46c13cc97bac8a6d2bc626e3b2dc8e4cdeecd2bb

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https://bugs.launchpad.net/bugs/1400524

Title:
  Upgrading from 1.7 to 1.10 failed in big databases

Status in Mahara ePortfolio:
  Fix Committed
Status in Mahara 1.10 series:
  Fix Committed

Bug description:
  Version: 1.10, and master(15.04)
  Platform: apache, postgres

  In big database, the upgrading has been failed when updating artefact table
  htdocs/lib/db/upgrade.php: 3255-3284

  This process should be done in chunks as the the table 'artefact' may
  be big which will causes exceed execution time.

  See also: Bug #1298646

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