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Media: Make media library searchable by filename.

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This applies a new private function, `_filter_query_attachment_filenames()`,
to the `post_clauses` filter hook during `wp_ajax_query_attachments()` and
`wp_edit_attachments_query_vars()` to include `_wp_attached_file` post meta
in search queries performed from the media library or in a `WP_Media_List_Table`.

Props wonderboymusic, DrewAPicture, joemcgill, swissspidy.
Fixes #22744.
Built from https://develop.svn.wordpress.org/trunk@38625


git-svn-id: http://core.svn.wordpress.org/trunk@38568 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Joe McGill 2016-09-20 01:45:31 +00:00
parent d84c343cc6
commit 8f36a570cb
3 changed files with 32 additions and 1 deletions
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3
wp-admin/includes/ajax-actions.php
View File

@ -2397,6 +2397,9 @@ function wp_ajax_query_attachments() {
if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) )
$query['post_status'] .= ',private';
// Filter query clauses to include filenames.
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
/**
* Filters the arguments passed to WP_Query during an Ajax
* call for querying attachments.

28
wp-admin/includes/post.php
View File

@ -1144,9 +1144,37 @@ function wp_edit_attachments_query_vars( $q = false ) {
$q['post_parent'] = 0;
}
// Filter query clauses to include filenames.
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
return $q;
}
/**
* Filter the SQL clauses of an attachment query to include filenames.
*
* @since 4.7.0
* @access private
*
* @param array $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
* DISTINCT, fields (SELECT), and LIMITS clauses.
* @return array The modified clauses.
*/
function _filter_query_attachment_filenames( $clauses ) {
global $wpdb;
remove_filter( 'posts_clauses', __FUNCTION__ );
$clauses['join'] = " INNER JOIN {$wpdb->postmeta} ON ( {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id )";
$clauses['groupby'] = "{$wpdb->posts}.ID";
$clauses['where'] = preg_replace(
"/\({$wpdb->posts}.post_content (NOT LIKE|LIKE) (\'[^']+\')\)/",
"$0 OR ( {$wpdb->postmeta}.meta_key = '_wp_attached_file' AND {$wpdb->postmeta}.meta_value $1 $2 )",
$clauses['where'] );
return $clauses;
}
/**
* Executes a query for attachments. An array of WP_Query arguments
* can be passed in, which will override the arguments set by this function.

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.7-alpha-38624';
$wp_version = '4.7-alpha-38625';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.