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<title>[36354] branches/4.4: Query: Avoid invalid SQL when building ORDER BY clause using long search strings.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/36354">36354</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/36354","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-01-20 04:37:13 +0000 (Wed, 20 Jan 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Query: Avoid invalid SQL when building ORDER BY clause using long search strings.
The introduction of negative search terms in 4.4 <a href="https://core.trac.wordpress.org/changeset/34934">[34934]</a> introduced the
possibility that the ORDER BY clause of a search query could be assembled in
such a way as to create invalid syntax. The current changeset fixes this by
ensuring that the ORDER BY clause corresponding to the search terms is
excluded when it would otherwise be empty.
Merges <a href="https://core.trac.wordpress.org/changeset/36251">[36251]</a> to the 4.4 branch.
Props salvoaranzulla, boonebgorges.
Fixes <a href="https://core.trac.wordpress.org/ticket/35361">#35361</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches44srcwpincludesqueryphp">branches/4.4/src/wp-includes/query.php</a></li>
<li><a href="#branches44testsphpunittestsquerysearchphp">branches/4.4/tests/phpunit/tests/query/search.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches44">branches/4.4/</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.4
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.4 2016-01-20 04:32:22 UTC (rev 36353)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.4 2016-01-20 04:37:13 UTC (rev 36354)
</ins><a id="branches44"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.4</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,35802,35823,35825-35826,35829,35832-35834,35837,35839,35850,35876,35880,35897,35922,35931,35933,35943-35944,35978,35994,36003,36005,36007,36038,36040,36042,36045,36048,36056,36068,36081,36089,36094,36096-36097,36100,36108,36110,36117,36119-36121,36123,36130,36132,36134,36137,36141,36154,36157,36163,36168,36226,36258
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,35802,35823,35825-35826,35829,35832-35834,35837,35839,35850,35876,35880,35897,35922,35931,35933,35943-35944,35978,35994,36003,36005,36007,36038,36040,36042,36045,36048,36056,36068,36081,36089,36094,36096-36097,36100,36108,36110,36117,36119-36121,36123,36130,36132,36134,36137,36141,36154,36157,36163,36168,36226,36251,36258
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches44srcwpincludesqueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.4/src/wp-includes/query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.4/src/wp-includes/query.php 2016-01-20 04:32:22 UTC (rev 36353)
+++ branches/4.4/src/wp-includes/query.php 2016-01-20 04:37:13 UTC (rev 36354)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2300,7 +2300,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $search_orderby = '(CASE ';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $search_orderby = '';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // sentence match in 'post_title'
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $like ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2321,7 +2321,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $like ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_content LIKE %s THEN 4 ", $like );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $search_orderby .= 'ELSE 5 END)';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ if ( $search_orderby ) {
+ $search_orderby = '(CASE ' . $search_orderby . 'ELSE 5 END)';
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> // single word or sentence search
</span><span class="cx" style="display: block; padding: 0 10px"> $search_orderby = reset( $q['search_orderby_title'] ) . ' DESC';
</span></span></pre></div>
<a id="branches44testsphpunittestsquerysearchphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.4/tests/phpunit/tests/query/search.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.4/tests/phpunit/tests/query/search.php 2016-01-20 04:32:22 UTC (rev 36353)
+++ branches/4.4/tests/phpunit/tests/query/search.php 2016-01-20 04:37:13 UTC (rev 36354)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -125,4 +125,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEqualSets( array( $p3 ), $q->posts );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ /**
+ * @ticket 35361
+ */
+ public function test_search_orderby_should_be_empty_when_search_string_is_longer_than_6_words_and_exclusion_operator_is_used() {
+ $q = new WP_Query( array(
+ 's' => 'foo1 foo2 foo3 foo4 foo5 foo6 foo7 -bar',
+ 'fields' => 'ids',
+ ) );
+
+ $this->assertNotRegExp( '|ORDER BY \(CASE[^\)]+\)|', $q->request );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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