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<title>[20740] trunk/wp-includes/query.php: Don't split the main query if there is no limit.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/20740">20740</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2012-05-08 20:01:47 +0000 (Tue, 08 May 2012)</dd>
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<h3>Log Message</h3>
<pre>Don't split the main query if there is no limit. This helps avoid extremely long query strings that could cause segfaults. Allow plugins to control splitting via split_the_query filter. see <a href="http://core.trac.wordpress.org/ticket/20628">#20628</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesqueryphp">trunk/wp-includes/query.php</a></li>
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<h3>Diff</h3>
<a id="trunkwpincludesqueryphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/query.php (20739 => 20740)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/query.php 2012-05-08 17:01:50 UTC (rev 20739)
+++ trunk/wp-includes/query.php 2012-05-08 20:01:47 UTC (rev 20740)
</span><span class="lines">@@ -2626,7 +2626,9 @@
</span><span class="cx"> return $r;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- if ( $old_request == $this->request && "$wpdb->posts.*" == $fields ) {
</del><ins>+ $split_the_query = apply_filters( 'split_the_query', ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits) ), $this );
+
+ if ( $split_the_query ) {
</ins><span class="cx"> // First get the IDs and then fill in the objects
</span><span class="cx">
</span><span class="cx"> $this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
</span></span></pre>
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