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<title>[GlotPress][919] trunk/gp-includes/things/translation-set.php: Branching: performance improvements.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="https://glotpress.trac.wordpress.org/changeset/919">919</a></dd>
<dt>Author</dt> <dd>yoavf</dd>
<dt>Date</dt> <dd>2014-05-15 16:05:15 +0000 (Thu, 15 May 2014)</dd>
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<h3>Log Message</h3>
<pre>Branching: performance improvements. About 20% faster on a project with 15k originals.

- Speed up the originals lookup by doing a non binary comparison (much faster since we now have indices - see <a href="http://glotpress.trac.wordpress.org/ticket/319">#319</a>).
- Lower memory usage by only getting the original ID rather than the full object.
- Lower memory usage by using _no_map when looking for transations sets.

See <a href="http://glotpress.trac.wordpress.org/ticket/65">#65</a>, See <a href="http://glotpress.trac.wordpress.org/ticket/300">#300</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkgpincludesthingstranslationsetphp">trunk/gp-includes/things/translation-set.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="trunkgpincludesthingstranslationsetphp"></a>
<div class="modfile"><h4>Modified: trunk/gp-includes/things/translation-set.php (918 => 919)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/gp-includes/things/translation-set.php     2014-05-14 18:35:23 UTC (rev 918)
+++ trunk/gp-includes/things/translation-set.php        2014-05-15 16:05:15 UTC (rev 919)
</span><span class="lines">@@ -163,14 +163,23 @@
</span><span class="cx"> 
</span><span class="cx">          $source_set = GP::$translation_set->get( $source_translation_set_id );
</span><span class="cx">          if ( $source_set->project_id != $this->project_id ) {
</span><del>-                       $translations = GP::$translation->find_many( "translation_set_id = '{$source_set->id}'" );
</del><ins>+                        $translations = GP::$translation->find_many_no_map( "translation_set_id = '{$source_set->id}'" );
</ins><span class="cx">                   foreach ( $translations as $entry ) {
</span><span class="cx">                          $source_original = GP::$original->get( $entry->original_id );
</span><del>-                               $original = GP::$original->by_project_id_and_entry( $this->project_id, $source_original );
-                               if ( $original ) {
-                                       $entry->original_id = $original->id;
</del><ins>+
+                               //Not using GP_Original::by_project_id_and_entry because the binary comparison doesn't use the index.
+                               $where = array();
+                               $where[] = is_null( $source_original->context )? '(context IS NULL OR %s IS NULL)' : 'context = %s';
+                               $where[] = 'singular = %s';
+                               $where[] = is_null( $source_original->plural )? '(plural IS NULL OR %s IS NULL)' : 'plural = %s';
+                               $where[] = 'project_id = %d';
+                               $where = implode( ' AND ', $where );
+
+                               $original_id = $this->query( "SELECT id FROM $gpdb->originals WHERE $where", $source_original->context, $source_original->singular, $source_original->plural, $this->project_id );
+                               if ( $original_id ) {
+                                       $entry->original_id = $original_id;
</ins><span class="cx">                                   $entry->translation_set_id = $this->id;
</span><del>-                                       $translation = GP::$translation->create( $entry );
</del><ins>+                                        GP::$translation->create( $entry );
</ins><span class="cx">                           }
</span><span class="cx">                  }
</span><span class="cx">          } else {
</span></span></pre>
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