* and to find new page edits by users.
*/
-define( 'BATCH_SIZE', 100 );
-
require_once 'commandLine.inc';
+require_once 'populateParentId.inc';
$db =& wfGetDB( DB_MASTER );
if ( !$db->tableExists( 'revision' ) ) {
}
populate_rev_parent_id( $db );
-
-function populate_rev_parent_id( $db ) {
- echo "Populating rev_parent_id column\n";
- $start = $db->selectField( 'revision', 'MIN(rev_id)', false, __FUNCTION__ );
- $end = $db->selectField( 'revision', 'MAX(rev_id)', false, __FUNCTION__ );
- $blockStart = $start;
- $blockEnd = $start + BATCH_SIZE - 1;
- while( $blockEnd <= $end ) {
- $cond = "rev_id BETWEEN $blockStart AND $blockEnd";
- $res = $db->select( 'revision', array('rev_id', 'rev_page'), $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...
- while( $row = $db->fetchObject( $res ) ) {
- $previousID = $db->selectField( 'revision', 'rev_id',
- array( 'rev_page' => $row->rev_page, 'rev_id < ' . $row->rev_id ),
- __FUNCTION__,
- array( 'ORDER BY' => 'rev_id DESC' ) );
- # Update the row...
- $db->update( 'revision',
- array( 'rev_parent_id' => intval($previousID) ),
- array( 'rev_page' => $row->rev_page, 'rev_id' => $row->rev_id ),
- __FUNCTION__ );
- }
- $blockStart += BATCH_SIZE;
- $blockEnd += BATCH_SIZE;
- wfWaitForSlaves( 5 );
- }
- $logged = $db->insert( 'updatelog',
- array( 'ul_key' => 'populate rev_parent_id' ),
- __FUNCTION__,
- 'IGNORE' );
- if( $logged ) {
- echo "rev_parent_id population complete\n";
- return true;
- } else {
- echo "Could not insert rev_parent_id population row.\n";
- return false;
- }
-}
-
-