Some minor PersistentLC related changes

diff --git a/includes/Article.php b/includes/Article.php
index 7e2188b..51d27dc 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -786,11 +786,19 @@ $wgLang->recodeForEdit( $wpTextbox1 ) .
                          "WHERE rc_cur_id=" . $this->getID();
                        wfQuery( $sql, DB_WRITE, $fname );
                        
-                       // Purge related entries in link cache when a page change
-                       // (probably just affects anything when article changes stub state)
-                       $pageid=$this->getID();
-                       wfQuery("DELETE linkscc FROM linkscc,links ".
-                               "WHERE lcc_title=links.l_from AND l_to={$pageid}", DB_WRITE);
+                       if ( $wgEnablePersistentLC ) {
+
+                               // Purge link cache for this page 
+                               $pageid=$this->getID();
+                               wfQuery("DELETE FROM linkscc WHERE lcc_pageid='{$pageid}'", DB_WRITE);
+
+                               // This next query just makes sure stub colored links to this page 
+                               // are updated correctly (I think). If performance is more important
+                               // than real-time updating of stub links, we really should skip
+                               // this query.
+                               wfQuery("DELETE linkscc FROM linkscc,links ".
+                                       "WHERE lcc_title=links.l_from AND l_to={$pageid}", DB_WRITE);
+                       }
 
                }
                if( $wgDBtransactions ) {
@@ -1162,23 +1170,26 @@ $wgLang->recodeForEdit( $wpTextbox1 ) .
                
                $sql = "DELETE FROM recentchanges WHERE rc_namespace={$ns} AND " .
                  "rc_title='{$t}'";
-        wfQuery( $sql, DB_WRITE, $fname );
+                       wfQuery( $sql, DB_WRITE, $fname );
 
                # Finally, clean up the link tables
 
                if ( 0 != $id ) {
 
-                        // Purge related entries in links cache on delete,
-                        wfQuery("DELETE linkscc FROM linkscc,links ".
-                                "WHERE lcc_title=links.l_from AND l_to={$id}", DB_WRITE);
-                        wfQuery("DELETE FROM linkscc WHERE lcc_title='{$t}'", DB_WRITE);
-
                        $t = wfStrencode( $title->getPrefixedDBkey() );
+
+                       if ( $wgEnablePersistentLC ) {
+                               // Purge related entries in links cache on delete,
+                               wfQuery("DELETE linkscc FROM linkscc,links ".
+                                       "WHERE lcc_title=links.l_from AND l_to={$id}", DB_WRITE);
+                               wfQuery("DELETE FROM linkscc WHERE lcc_title='{$t}'", DB_WRITE);
+                       }
+
                        $sql = "SELECT l_from FROM links WHERE l_to={$id}";
                        $res = wfQuery( $sql, DB_READ, $fname );
 
                        $sql = "INSERT INTO brokenlinks (bl_from,bl_to) VALUES ";
-            $now = wfTimestampNow();
+                       $now = wfTimestampNow();
                        $sql2 = "UPDATE cur SET cur_touched='{$now}' WHERE cur_id IN (";
                        $first = true;