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1
1<?php
2/**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @file
19 */
20
21namespace MediaWiki\Revision;
22
23use Wikimedia\Rdbms\IReadableDatabase;
24use Wikimedia\Rdbms\SelectQueryBuilder;
25
26/**
27 * Help and centralize querying archive table.
28 *
29 * @since 1.41
30 */
31class ArchiveSelectQueryBuilder extends SelectQueryBuilder {
32
33    /**
34     * @internal use RevisionStore::newSelectQueryBuilder() instead.
35     * @param IReadableDatabase $db
36     */
37    public function __construct( IReadableDatabase $db ) {
38        parent::__construct( $db );
39
40        $this->select( [
41            'ar_id',
42            'ar_page_id',
43            'ar_namespace',
44            'ar_title',
45            'ar_rev_id',
46            'ar_timestamp',
47            'ar_minor_edit',
48            'ar_deleted',
49            'ar_len',
50            'ar_parent_id',
51            'ar_sha1',
52            'ar_actor',
53            'ar_user' => 'archive_actor.actor_user',
54            'ar_user_text' => 'archive_actor.actor_name',
55        ] )
56            ->from( 'archive' )
57            ->join( 'actor', 'archive_actor', 'actor_id=ar_actor' );
58    }
59
60    /**
61     * Join the query with comment table and several fields to allow easier query.
62     *
63     * @return $this
64     */
65    public function joinComment() {
66        $this->fields( [
67            'ar_comment_text' => 'comment_ar_comment.comment_text',
68            'ar_comment_data' => 'comment_ar_comment.comment_data',
69            'ar_comment_cid' => 'comment_ar_comment.comment_id',
70        ] );
71        $this->join( 'comment', "comment_ar_comment", 'comment_ar_comment.comment_id = ar_comment_id' );
72        return $this;
73    }
74}