From: Tim Laqua <tlaqua@users.mediawiki.org>
Date: Sat, 22 Dec 2007 18:45:44 +0000 (+0000)
Subject: * Added support for an optional list of page_ids to delete old revisions from (rather... 
X-Git-Tag: 1.31.0-rc.0~50303
X-Git-Url: http://git.cyclocoop.org/%40spipnet%40?a=commitdiff_plain;h=c8b45aa93f4c481428d34180e0f3274ee965bcb7;p=lhc%2Fweb%2Fwiklou.git

* Added support for an optional list of page_ids to delete old revisions from (rather than *all* revisions all the time)
---

diff --git a/maintenance/deleteOldRevisions.inc b/maintenance/deleteOldRevisions.inc
index 8d8ca9a1ee..03fb2306bc 100644
--- a/maintenance/deleteOldRevisions.inc
+++ b/maintenance/deleteOldRevisions.inc
@@ -9,7 +9,7 @@
  
 require_once( 'purgeOldText.inc' );
 
-function DeleteOldRevisions( $delete = false ) {
+function DeleteOldRevisions( $delete = false, $args = array() ) {
 
 	# Data should come off the master, wrapped in a transaction
 	$dbw = wfGetDB( DB_MASTER );
@@ -18,9 +18,20 @@ function DeleteOldRevisions( $delete = false ) {
 	$tbl_pag = $dbw->tableName( 'page' );
 	$tbl_rev = $dbw->tableName( 'revision' );
 	
+	$pageIdClause = '';
+	$revPageClause = '';
+	
+	# If a list of page_ids was provided, limit results to that set of page_ids
+	if ( sizeof( $args ) > 0 ) {
+		$pageIdList = implode( ',', $args );
+		$pageIdClause = " WHERE page_id IN ({$pageIdList})";
+		$revPageClause = " AND rev_page IN ({$pageIdList})";
+		echo( "Limiting to {$tbl_pag}.page_id IN ({$pageIdList})\n" );
+	}
+	
 	# Get "active" revisions from the page table
 	echo( "Searching for active revisions..." );
-	$res = $dbw->query( "SELECT page_latest FROM $tbl_pag" );
+	$res = $dbw->query( "SELECT page_latest FROM $tbl_pag{$pageIdClause}" );
 	while( $row = $dbw->fetchObject( $res ) ) {
 		$cur[] = $row->page_latest;
 	}
@@ -29,7 +40,7 @@ function DeleteOldRevisions( $delete = false ) {
 	# Get all revisions that aren't in this set
 	echo( "Searching for inactive revisions..." );
 	$set = implode( ', ', $cur );
-	$res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_id NOT IN ( $set )" );
+	$res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_id NOT IN ( $set ){$revPageClause}" );
 	while( $row = $dbw->fetchObject( $res ) ) {
 		$old[] = $row->rev_id;
 	}
diff --git a/maintenance/deleteOldRevisions.php b/maintenance/deleteOldRevisions.php
index 8d676ab157..8454479b19 100644
--- a/maintenance/deleteOldRevisions.php
+++ b/maintenance/deleteOldRevisions.php
@@ -16,12 +16,12 @@ echo( "Delete Old Revisions\n\n" );
 if( @$options['help'] ) {
 	ShowUsage();
 } else {
-	DeleteOldRevisions( @$options['delete'] );
+	DeleteOldRevisions( @$options['delete'], $args );
 }
 
 function ShowUsage() {
 	echo( "Deletes non-current revisions from the database.\n\n" );
-	echo( "Usage: php deleteOldRevisions.php [--delete|--help]\n\n" );
+	echo( "Usage: php deleteOldRevisions.php [--delete|--help] [<page_id> ...]\n\n" );
 	echo( "delete : Performs the deletion\n" );
 	echo( "  help : Show this usage information\n" );
 }