Return of the Dumb Update (for rebuilding link tables)
authorTim Starling <tstarling@users.mediawiki.org>
Mon, 23 Feb 2004 07:51:29 +0000 (07:51 +0000)
committerTim Starling <tstarling@users.mediawiki.org>
Mon, 23 Feb 2004 07:51:29 +0000 (07:51 +0000)
includes/LinksUpdate.php

index 81c449f..fd17d44 100644 (file)
@@ -141,7 +141,83 @@ class LinksUpdate {
                }
                wfProfileOut( $fname );
        }
+       
+       function doDumbUpdate()
+       {
+               # Old inefficient update function
+               # Used for rebuilding the link table
+               
+               global $wgLinkCache, $wgDBtransactions;
+               $fname = "LinksUpdate::doDumbUpdate";
+               wfProfileIn( $fname );
+
+               if( $wgDBtransactions ) {
+                       $sql = "BEGIN";
+                       wfQuery( $sql, DB_WRITE, $fname );
+               }
+               
+               $sql = "DELETE FROM links WHERE l_from='{$this->mTitleEnc}'";
+               wfQuery( $sql, DB_WRITE, $fname );
+
+               $a = $wgLinkCache->getGoodLinks();
+               $sql = "";
+               if ( 0 != count( $a ) ) {
+                       $sql = "INSERT INTO links (l_from,l_to) VALUES ";
+                       $first = true;
+                       foreach( $a as $lt => $lid ) {
+                               if ( ! $first ) { $sql .= ","; }
+                               $first = false;
+
+                               $sql .= "('{$this->mTitleEnc}',{$lid})";
+                       }
+               }
+               if ( "" != $sql ) { wfQuery( $sql, DB_WRITE, $fname ); }
+
+               $sql = "DELETE FROM brokenlinks WHERE bl_from={$this->mId}";
+               wfQuery( $sql, DB_WRITE, $fname );
+
+               $a = $wgLinkCache->getBadLinks();
+               $sql = "";
+               if ( 0 != count ( $a ) ) {
+                       $sql = "INSERT INTO brokenlinks (bl_from,bl_to) VALUES ";
+                       $first = true;
+                       foreach( $a as $blt ) {
+                               $blt = wfStrencode( $blt );
+                               if ( ! $first ) { $sql .= ","; }
+                               $first = false;
+
+                               $sql .= "({$this->mId},'{$blt}')";
+                       }
+               }
+               if ( "" != $sql ) { wfQuery( $sql, DB_WRITE, $fname ); }
+               
+               $sql = "DELETE FROM imagelinks WHERE il_from='{$this->mTitleEnc}'";
+               wfQuery( $sql, DB_WRITE, $fname );
+
+               $a = $wgLinkCache->getImageLinks();
+               $sql = "";
+               if ( 0 != count ( $a ) ) {
+                       $sql = "INSERT INTO imagelinks (il_from,il_to) VALUES ";
+                       $first = true;
+                       foreach( $a as $iname => $val ) {
+                               $iname = wfStrencode( $iname );
+                               if ( ! $first ) { $sql .= ","; }
+                               $first = false;
+
+                               $sql .= "('{$this->mTitleEnc}','{$iname}')";
+                       }
+               }
+               if ( "" != $sql ) { wfQuery( $sql, DB_WRITE, $fname ); }
+
+               $this->fixBrokenLinks();
 
+               if( $wgDBtransactions ) {
+                       $sql = "COMMIT";
+                       wfQuery( $sql, DB_WRITE, $fname );
+               }
+               wfProfileOut( $fname );
+       }
+       
        function fixBrokenLinks() {
                /* Update any brokenlinks *to* this page */
                /* Call for a newly created page, or just to make sure state is consistent */