http://www.doctrine-project.org/jira This file is an XML representation of an issue en-us 5.2.7 850 21-02-2013 http://www.doctrine-project.org/jira/browse/DDC-1526 Doctrine 2 - ORM <p>After upgrading to 2.1.4 (from 2.1.2), the following dql started creating way more queries than necessary :<br/> SELECT m, p, s, c, o<br/> FROM FERMainBundle:Menu m<br/> LEFT JOIN m.page p<br/> LEFT JOIN m.section s<br/> LEFT JOIN m.children c<br/> LEFT JOIN s.position o<br/> ORDER BY m.lft</p> <p>Details to the code here:<br/> <a href="http://pastie.textmate.org/private/z9gtgqe1odwenxcmudywqa" class="external-link">http://pastie.textmate.org/private/z9gtgqe1odwenxcmudywqa</a><br/> The model looks like that:<br/> <a href="http://pastie.textmate.org/private/przxzfimsfyua02cxqcv9a" class="external-link">http://pastie.textmate.org/private/przxzfimsfyua02cxqcv9a</a></p> <p><a href="http://pastie.textmate.org/private/ob1jqiekv89e4xj9bq06q" class="external-link">http://pastie.textmate.org/private/ob1jqiekv89e4xj9bq06q</a><br/> First query is executed, it should in fact retrieve everything there is about the menu, but then it runs the second query for every menu element I have, generating a lot of queries that didn't occur before.</p> PHP 5.3.6 DDC-1526

Unecessary queries with LEFT JOIN

Bug Critical Resolved Fixed All Benjamin Eberlei Pascal Burkhard Fri, 9 Dec 2011 19:22:23 +0000 Tue, 23 Oct 2012 11:41:45 +0000 Sat, 28 Jan 2012 11:28:38 +0000 2.1.4 2.1.6 2.2 0 1 <p>Can you profile where exactly the extra queries are executed using xdebug_start_trace? Directly during hydration or later in your code?</p> <p>xdebug trace start just before I query the database</p> <p>Hi Pascal, sorry but this is not enough. I need this query until all the other entities (or at least one) are n+1 joined.</p> <p>Here the complete trace, started just before the first query. I'm sorry but I can't make heads or tails with that... I hope it can help you pinpoint the problem.</p> <p>Please also note that I have update Doctrine ORM to 2.1.5 and there was a change in the number of "superfluous" queries done. I am now only left with additional queries to get the relations to "parent", cf the model ( <a href="http://pastie.textmate.org/private/przxzfimsfyua02cxqcv9a" class="external-link">http://pastie.textmate.org/private/przxzfimsfyua02cxqcv9a</a> ).</p> <p>Is the trace from before upgrade to 2.1.5 or after?</p> <p>The "complete" trace, i.e. the one that is 5.94 mb big is from after the upgrade to 2.1.5.</p> <p>Can you disable the nested set extension? the other ticket uses it too and i want to rule out that its the extensions fault. </p> <p>Alright. I deactivated the Tree extension, but there are no changes in the number of queries.</p> <p>I found the issue.</p> <p>Fixed</p> Duplicate DDC-1573