changes reindexing strategy : deletes records rather than create back table

checkDB() and checkTableExists() in indexlib.php are obsolete
table name synced with search block install.xml table name

search/indexer.php

@@ -93,9 +93,15 @@ else {
 
 $index = new Zend_Search_Lucene($index_path, true);
 
+/*
+OBSOLETE REGENERATION - DB installs with search block by now
 if (!$dbcontrol->checkDB()) {
     search_pexit("Database error. Please check settings/files.");
 }
+*/
+// New regeneration
+mtrace("Deleting old index entries.");
+delete_records('search_documents');
 
 //begin timer
 search_stopwatch();

search/indexlib.php

@@ -169,7 +169,7 @@ class IndexDBControl {
 
     /**
     * does the table exist?
-    *
+    * OBSOLETE
     */
     public function checkTableExists() {
         global $CFG, $db;
@@ -186,7 +186,7 @@ class IndexDBControl {
 
     /**
     * is our database setup valid?
-    *
+    * OBSOLETE - Database is installed at install and should not be dropped out
     */
     public function checkDB() {
         global $CFG, $db;