Revert r52336 "Merge maintenance-work branch:"

[lhc/web/wiklou.git] / maintenance / populateParentId.php

diff --git a/maintenance/populateParentId.php b/maintenance/populateParentId.php
index dd114fd..0173003 100644 (file)
--- a/maintenance/populateParentId.php
+++ b/maintenance/populateParentId.php
@@ -1,105 +1,18 @@
 <?php
+
 /*
  * Makes the required database updates for rev_parent_id
  * to be of any use. It can be used for some simple tracking
  * and to find new page edits by users.
  */
 
-require_once( "Maintenance.php" );
-
-class PopulateParentId extends Maintenance {
-
-       // Batch size
-       const BATCH_SIZE = 200;
-
-       public function __construct() {
-               parent::__construct();
-               $this->mDescription = "Populates rev_parent_id";
-       }
-
-       public function execute() {
-               $db = wfGetDB( DB_MASTER );
-               if ( !$db->tableExists( 'revision' ) ) {
-                       $this->error( "revision table does not exist\n", true );
-               }
-               $this->output( "Populating rev_parent_id column\n" );
-               $start = $db->selectField( 'revision', 'MIN(rev_id)', false, __FUNCTION__ );
-               $end = $db->selectField( 'revision', 'MAX(rev_id)', false, __FUNCTION__ );
-               if( is_null( $start ) || is_null( $end ) ){
-                       $this->output( "...revision table seems to be empty.\n" );
-                       $db->insert( 'updatelog',
-                               array( 'ul_key' => 'populate rev_parent_id' ),
-                               __FUNCTION__,
-                               'IGNORE' );
-                       return;
-               }
-               # Do remaining chunk
-               $end += self::BATCH_SIZE - 1;
-               $blockStart = intval( $start );
-               $blockEnd = intval( $start ) + self::BATCH_SIZE - 1;
-               $count = 0;
-               $changed = 0;
-               while( $blockEnd <= $end ) {
-                       $this->output( "...doing rev_id from $blockStart to $blockEnd\n" );
-                       $cond = "rev_id BETWEEN $blockStart AND $blockEnd";
-                       $res = $db->select( 'revision', 
-                               array('rev_id','rev_page','rev_timestamp','rev_parent_id'), 
-                               $cond, __FUNCTION__ );
-                       # Go through and update rev_parent_id from these rows.
-                       # Assume that the previous revision of the title was
-                       # the original previous revision of the title when the
-                       # edit was made...
-                       foreach( $res as $row ) {
-                               # First, check rows with the same timestamp other than this one
-                               # with a smaller rev ID. The highest ID "wins". This avoids loops
-                               # as timestamp can only decrease and never loops with IDs (from parent to parent)
-                               $previousID = $db->selectField( 'revision', 'rev_id', 
-                                       array( 'rev_page' => $row->rev_page, 'rev_timestamp' => $row->rev_timestamp,
-                                               "rev_id < " . intval( $row->rev_id ) ), 
-                                       __FUNCTION__,
-                                       array( 'ORDER BY' => 'rev_id DESC' ) );
-                               # If there are none, check the the highest ID with a lower timestamp
-                               if( !$previousID ) {
-                                       # Get the highest older timestamp
-                                       $lastTimestamp = $db->selectField( 'revision', 'rev_timestamp', 
-                                               array( 'rev_page' => $row->rev_page, "rev_timestamp < " . $db->addQuotes( $row->rev_timestamp ) ), 
-                                               __FUNCTION__,
-                                               array( 'ORDER BY' => 'rev_timestamp DESC' ) );
-                                       # If there is one, let the highest rev ID win
-                                       if( $lastTimestamp ) {
-                                               $previousID = $db->selectField( 'revision', 'rev_id', 
-                                                       array( 'rev_page' => $row->rev_page, 'rev_timestamp' => $lastTimestamp ), 
-                                                       __FUNCTION__,
-                                                       array( 'ORDER BY' => 'rev_id DESC' ) );
-                                       }
-                               }
-                               $previousID = intval($previousID);
-                               if( $previousID != $row->rev_parent_id )
-                                       $changed++;
-                               # Update the row...
-                               $db->update( 'revision',
-                                       array( 'rev_parent_id' => $previousID ),
-                                       array( 'rev_id' => $row->rev_id ),
-                                       __FUNCTION__ );
-                               $count++;
-                       }
-                       $blockStart += self::BATCH_SIZE - 1;
-                       $blockEnd += self::BATCH_SIZE - 1;
-                       wfWaitForSlaves( 5 );
-               }
-               $logged = $db->insert( 'updatelog',
-                       array( 'ul_key' => 'populate rev_parent_id' ),
-                       __FUNCTION__,
-                       'IGNORE' );
-               if( $logged ) {
-                       $this->output( "rev_parent_id population complete ... {$count} rows [{$changed} changed]\n" );
-                       return true;
-               } else {
-                       $this->output( "Could not insert rev_parent_id population row.\n" );
-                       return false;
-               }
-       }
+require_once 'commandLine.inc';
+require_once 'populateParentId.inc';
+       
+$db =& wfGetDB( DB_MASTER );
+if ( !$db->tableExists( 'revision' ) ) {
+       echo "revision table does not exist\n";
+       exit( 1 );
 }
 
-$maintClass = "PopulateParentId";
-require_once( DO_MAINTENANCE );
+populate_rev_parent_id( $db );