(bug 38110) provide a way to separate out schema changes

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

diff --git a/maintenance/populateRevisionLength.php b/maintenance/populateRevisionLength.php
index 07c395f..4827642 100644 (file)
--- a/maintenance/populateRevisionLength.php
+++ b/maintenance/populateRevisionLength.php
@@ -48,7 +48,11 @@ class PopulateRevisionLength extends LoggedUpdateMaintenance {
                $db = $this->getDB( DB_MASTER );
                if ( !$db->tableExists( 'revision' ) ) {
                        $this->error( "revision table does not exist", true );
+               } else if ( !$db->fieldExists( 'revision', 'rev_sha1', __METHOD__ ) ) {
+                       $this->output( "rev_sha1 column does not exist\n\n", true );
+                       return false;
                }
+
                $this->output( "Populating rev_len column\n" );
 
                $start = $db->selectField( 'revision', 'MIN(rev_id)', false, __METHOD__ );