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<?php
/**
* Makes the required database updates for Special:ProtectedPages
* to show all protected pages, even ones before the page restrictions
* schema change. All remaining page_restriction column values are moved
* to the new table.
*
* @file
* @ingroup Maintenance
*/
define( 'BATCH_SIZE', 100 );
require_once 'commandLine.inc';
$db =& wfGetDB( DB_MASTER );
if ( !$db->tableExists( 'page_restrictions' ) ) {
echo "page_restrictions does not exist\n";
exit( 1 );
}
migrate_page_restrictions( $db );
function migrate_page_restrictions( $db ) {
$start = $db->selectField( 'page', 'MIN(page_id)', false, __FUNCTION__ );
$end = $db->selectField( 'page', 'MAX(page_id)', false, __FUNCTION__ );
# Do remaining chunk
$end += BATCH_SIZE - 1;
$blockStart = $start;
$blockEnd = $start + BATCH_SIZE - 1;
$encodedExpiry = 'infinity';
while ( $blockEnd <= $end ) {
echo "...doing page_id from $blockStart to $blockEnd\n";
$cond = "page_id BETWEEN $blockStart AND $blockEnd AND page_restrictions !='' AND page_restrictions !='edit=:move='";
$res = $db->select( 'page', array('page_id', 'page_restrictions'), $cond, __FUNCTION__ );
$batch = array();
while ( $row = $db->fetchObject( $res ) ) {
$oldRestrictions = array();
foreach( explode( ':', trim( $row->page_restrictions ) ) as $restrict ) {
$temp = explode( '=', trim( $restrict ) );
if(count($temp) == 1) {
// old old format should be treated as edit/move restriction
$oldRestrictions["edit"] = trim( $temp[0] );
$oldRestrictions["move"] = trim( $temp[0] );
} else {
$oldRestrictions[$temp[0]] = trim( $temp[1] );
}
}
# Update restrictions table
foreach( $oldRestrictions as $action => $restrictions ) {
$batch[] = array(
'pr_page' => $row->page_id,
'pr_type' => $action,
'pr_level' => $restrictions,
'pr_cascade' => 0,
'pr_expiry' => $encodedExpiry
);
}
}
# We use insert() and not replace() as Article.php replaces
# page_restrictions with '' when protected in the restrictions table
if ( count( $batch ) ) {
$db->insert( 'page_restrictions', $batch, __FUNCTION__, array( 'IGNORE' ) );
}
$blockStart += BATCH_SIZE - 1;
$blockEnd += BATCH_SIZE - 1;
wfWaitForSlaves( 5 );
}
}
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