<?xml version="1.0" encoding="utf-8"?>
<launchpad-bug id="889751">
  <date_last_updated>2012-03-29 13:36:57.502276+00:00</date_last_updated>
  <api_links>
    <bug_api_link>https://api.launchpad.net/1.0/bugs/889751</bug_api_link>
    <bug_owner_link>https://api.launchpad.net/1.0/~pstoev-askmonty</bug_owner_link>
    <milestone_link>https://api.launchpad.net/1.0/maria/+milestone/5.5</milestone_link>
    <linked_branches_collection_link>https://api.launchpad.net/1.0/bugs/889751/linked_branches</linked_branches_collection_link>
    <activity_link>https://api.launchpad.net/1.0/bugs/889751/activity</activity_link>
  </api_links>
  <bug_web_link>https://bugs.launchpad.net/bugs/889751</bug_web_link>
  <owner>Philip Stoev</owner>
  <assignee>Timour Katchaounov</assignee>
  <milestone_title>Maria 5.5</milestone_title>
  <duplicate_link></duplicate_link>
  <duplicate_bug_id></duplicate_bug_id>
  <title>semijoin does not take into account materialization and in_to_exists optimizer_switches</title>
  <status>Confirmed</status>
  <importance>Medium</importance>
  <created>2011-11-13 08:33:57.859222+00:00</created>
  <description>
<![CDATA[Timour reported that a certain semijoin code path does not observe the value of optimizer_switch . I assume he can provide more detail, I am filing this bug for tracking purposes.]]>  </description>
  <activities>
    <activity datechanged="2011-11-13T08:33:57.859222+00:00">
      <oldvalue>
<![CDATA[]]>      </oldvalue>
      <newvalue>
<![CDATA[]]>      </newvalue>
      <whatchanged>bug</whatchanged>
      <person>Philip Stoev</person>
      <message>added bug</message>
    </activity>
    <activity datechanged="2011-11-13T08:34:08.046168+00:00">
      <oldvalue>
<![CDATA[]]>      </oldvalue>
      <newvalue>
<![CDATA[5.3]]>      </newvalue>
      <whatchanged>maria: milestone</whatchanged>
      <person>Philip Stoev</person>
      <message></message>
    </activity>
    <activity datechanged="2011-11-13T08:34:19.632921+00:00">
      <oldvalue>
<![CDATA[]]>      </oldvalue>
      <newvalue>
<![CDATA[Sergey Petrunia (sergefp)]]>      </newvalue>
      <whatchanged>maria: assignee</whatchanged>
      <person>Philip Stoev</person>
      <message></message>
    </activity>
    <activity datechanged="2011-11-13T08:34:25.576760+00:00">
      <oldvalue>
<![CDATA[]]>      </oldvalue>
      <newvalue>
<![CDATA[]]>      </newvalue>
      <whatchanged>bug</whatchanged>
      <person>Philip Stoev</person>
      <message>added subscriber Timour Katchaounov</message>
    </activity>
    <activity datechanged="2011-11-13T09:19:12.871841+00:00">
      <oldvalue>
<![CDATA[semijoin does not observe optimizer_switches in certain cases]]>      </oldvalue>
      <newvalue>
<![CDATA[semijoin does not take into account materialization and in_to_exists optimizer_switches]]>      </newvalue>
      <whatchanged>summary</whatchanged>
      <person>Timour Katchaounov</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-21T15:43:19.533915+00:00">
      <oldvalue>
<![CDATA[5.3]]>      </oldvalue>
      <newvalue>
<![CDATA[5.5]]>      </newvalue>
      <whatchanged>maria: milestone</whatchanged>
      <person>Michael Widenius</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-21T15:43:23.597205+00:00">
      <oldvalue>
<![CDATA[Undecided]]>      </oldvalue>
      <newvalue>
<![CDATA[Low]]>      </newvalue>
      <whatchanged>maria: importance</whatchanged>
      <person>Michael Widenius</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-21T15:43:31.422176+00:00">
      <oldvalue>
<![CDATA[New]]>      </oldvalue>
      <newvalue>
<![CDATA[Confirmed]]>      </newvalue>
      <whatchanged>maria: status</whatchanged>
      <person>Michael Widenius</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-21T15:43:52.308894+00:00">
      <oldvalue>
<![CDATA[Low]]>      </oldvalue>
      <newvalue>
<![CDATA[Medium]]>      </newvalue>
      <whatchanged>maria: importance</whatchanged>
      <person>Michael Widenius</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-21T15:44:18.464999+00:00">
      <oldvalue>
<![CDATA[Sergey Petrunia (sergefp)]]>      </oldvalue>
      <newvalue>
<![CDATA[Timour Katchaounov (timour)]]>      </newvalue>
      <whatchanged>maria: assignee</whatchanged>
      <person>Michael Widenius</person>
      <message></message>
    </activity>
    <activity datechanged="2012-03-29T13:36:57.306498+00:00">
      <oldvalue>
<![CDATA[]]>      </oldvalue>
      <newvalue>
<![CDATA[optimizer]]>      </newvalue>
      <whatchanged>tags</whatchanged>
      <person>Elena Stepanova</person>
      <message></message>
    </activity>
  </activities>
  <comments>
    <comment commentlink="https://api.launchpad.net/1.0/maria/+bug/889751/comments/1" datecreated="2011-11-13T09:20:13.052564+00:00">
      <person>Timour Katchaounov</person>
      <subject>
<![CDATA[Re: semijoin does not take into account materialization and in_to_exists optimizer_switches]]>      </subject>
      <content>
<![CDATA[Semijoin does not take into account materialization and in_to_exists
optimizer_switches when reverting to one of these strategies.
]]>      </content>
    </comment>
    <comment commentlink="https://api.launchpad.net/1.0/maria/+bug/889751/comments/2" datecreated="2012-03-21T18:30:48.711844+00:00">
      <person>Elena Stepanova</person>
      <subject>
<![CDATA[Re: semijoin does not take into account materialization and in_to_exists optimizer_switches]]>      </subject>
      <content>
<![CDATA[Also filed in JIRA as MDEV-198]]>      </content>
    </comment>
  </comments>
</launchpad-bug>
