Unneeded drop index helper

rejemy · Feb 22, 2019 · dc6e404 · dc6e404
1 parent c403bcd
commit dc6e404
Showing 1 changed file with 0 additions and 35 deletions.
diff --git a/LiteDB/Engine/Services/IndexService.cs b/LiteDB/Engine/Services/IndexService.cs
@@ -278,41 +278,6 @@ public void Delete(CollectionIndex index, PageAddress nodeAddress)
             }
         }
 
-        /// <summary>
-        /// Drop all indexes pages. Each index use a single page sequence
-        /// </summary>
-        public void DropIndex(CollectionIndex index)
-        {
-            var pages = new HashSet<uint>();
-            var nodes = this.FindAll(index, Query.Ascending);
-
-            // get reference for pageID from all index nodes
-            foreach (var node in nodes)
-            {
-                pages.Add(node.Position.PageID);
-
-                // for each node I need remove from node list datablock reference
-                var prevNode = this.GetNode(node.PrevNode);
-                var nextNode = this.GetNode(node.NextNode);
-
-                if (prevNode != null)
-                {
-                    prevNode.NextNode = node.NextNode;
-                    _pager.SetDirty(prevNode.Page);
-                }
-                if (nextNode != null)
-                {
-                    nextNode.PrevNode = node.PrevNode;
-                    _pager.SetDirty(nextNode.Page);
-                }
-            }
-
-            // now delete all pages
-            foreach (var pageID in pages)
-            {
-                _pager.DeletePage(pageID);
-            }
-        }
 
         /// <summary>
         /// Get a node inside a page using PageAddress - Returns null if address IsEmpty