MediaWiki REL1_30
populatePPSortKey.php
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1<?php
24require_once __DIR__ . '/Maintenance.php';
25
27
33 public function __construct() {
34 parent::__construct();
35 $this->addDescription( 'Populate the pp_sortkey field' );
36 $this->setBatchSize( 100 );
37 }
38
39 protected function doDBUpdates() {
40 $dbw = $this->getDB( DB_MASTER );
41
42 $lastProp = null;
43 $lastPageValue = 0;
44 $editedRowCount = 0;
45
46 $this->output( "Populating page_props.pp_sortkey...\n" );
47 while ( true ) {
48 $conditions = [ 'pp_sortkey IS NULL' ];
49 if ( $lastPageValue !== 0 ) {
50 $conditions[] = 'pp_page > ' . $dbw->addQuotes( $lastPageValue ) . ' OR ' .
51 '( pp_page = ' . $dbw->addQuotes( $lastPageValue ) .
52 ' AND pp_propname > ' . $dbw->addQuotes( $lastProp ) . ' )';
53 }
54
55 $res = $dbw->select(
56 'page_props',
57 [ 'pp_propname', 'pp_page', 'pp_sortkey', 'pp_value' ],
58 $conditions,
59 __METHOD__,
60 [
61 'ORDER BY' => 'pp_page, pp_propname',
62 'LIMIT' => $this->mBatchSize
63 ]
64 );
65
66 if ( $res->numRows() === 0 ) {
67 break;
68 }
69
70 $this->beginTransaction( $dbw, __METHOD__ );
71
72 foreach ( $res as $row ) {
73 if ( !is_numeric( $row->pp_value ) ) {
74 continue;
75 }
76 $dbw->update(
77 'page_props',
78 [ 'pp_sortkey' => $row->pp_value ],
79 [
80 'pp_page' => $row->pp_page,
81 'pp_propname' => $row->pp_propname
82 ],
83 __METHOD__
84 );
85 $editedRowCount++;
86 }
87
88 $this->output( "Updated " . $editedRowCount . " rows\n" );
89 $this->commitTransaction( $dbw, __METHOD__ );
90
91 // We need to get the last element's page ID
92 $lastPageValue = $row->pp_page;
93 // And the propname...
94 $lastProp = $row->pp_propname;
95 }
96
97 $this->output( "Populating page_props.pp_sortkey complete.\n" );
98 }
99
100 protected function getUpdateKey() {
101 return 'populate pp_sortkey';
102 }
103}
104
105$maintClass = 'PopulatePPSortKey';
106require_once RUN_MAINTENANCE_IF_MAIN;
Class for scripts that perform database maintenance and want to log the update in updatelog so we can...
beginTransaction(IDatabase $dbw, $fname)
Begin a transcation on a DB.
commitTransaction(IDatabase $dbw, $fname)
Commit the transcation on a DB handle and wait for replica DBs to catch up.
getDB( $db, $groups=[], $wiki=false)
Returns a database to be used by current maintenance script.
addDescription( $text)
Set the description text.
setBatchSize( $s=0)
Set the batch size.
Usage: populatePPSortKey.php.
__construct()
Default constructor.
doDBUpdates()
Do the actual work.
getUpdateKey()
Get the update key name to go in the update log table.
$res
Definition database.txt:21
design txt This is a brief overview of the new design More thorough and up to date information is available on the documentation wiki at etc Handles the details of getting and saving to the user table of the and dealing with sessions and cookies OutputPage Encapsulates the entire HTML page that will be sent in response to any server request It is used by calling its functions to add in any and then calling output() to send it all. It could be easily changed to send incrementally if that becomes useful
Basic database interface for live and lazy-loaded relation database handles.
Definition IDatabase.php:40
require_once RUN_MAINTENANCE_IF_MAIN
const DB_MASTER
Definition defines.php:26