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[Robert Lyon <robertl@xxxxxxxxxxxxxxx>]

** Changed in: mahara
       Status: Confirmed => In Progress

** Changed in: mahara
     Assignee: (unassigned) => Robert Lyon (robertl-9)

** Changed in: mahara
    Milestone: None => 15.10.0

** Changed in: mahara
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1450680

Title:
  Need better log_debug output from lib/db/upgrade.php

Status in Mahara ePortfolio:
  In Progress

Bug description:
  One of the most annoying things about db locking up during upgrade is
  you don't know where abouts in the upgrade you are - because it
  doesn't error out.

  It would be most useful if there was:

  1) At least a log_debug line at the start of every if version block -
  there are often comments there so just turn them into log_debug()
  comments.

  2) Every time we loop over a bunch of results we should have a loop counter, so upgrader knows things are still running eg:
    if ($results) {
      $count = 0;
      $limit = 1000;  // where limit is some appropriate number
      $total = count($results);
      foreach ($results as $result) {

         ... the purpose happens here ...

        $count++;
        if (($count % $limit) == 0 || $count == $total) {
            log_debug("$count/$total");
            set_time_limit(30);
        }
    }

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