8 files changed, 153 insertions, 30 deletions

diff --git a/OpenSim/Data/IXInventoryData.cs b/OpenSim/Data/IXInventoryData.cs
index d85a7ef..85a5c08 100644
--- a/OpenSim/Data/IXInventoryData.cs
+++ b/OpenSim/Data/IXInventoryData.cs
@@ -74,9 +74,38 @@ namespace OpenSim.Data
         bool StoreFolder(XInventoryFolder folder);
         bool StoreItem(XInventoryItem item);
 
+        /// <summary>
+        /// Delete folders where field == val
+        /// </summary>
+        /// <param name="field"></param>
+        /// <param name="val"></param>
+        /// <returns>true if the delete was successful, false if it was not</returns>
         bool DeleteFolders(string field, string val);
+
+        /// <summary>
+        /// Delete folders where field1 == val1, field2 == val2...
+        /// </summary>
+        /// <param name="fields"></param>
+        /// <param name="vals"></param>
+        /// <returns>true if the delete was successful, false if it was not</returns>
+        bool DeleteFolders(string[] fields, string[] vals);
+
+        /// <summary>
+        /// Delete items where field == val
+        /// </summary>
+        /// <param name="field"></param>
+        /// <param name="val"></param>
+        /// <returns>true if the delete was successful, false if it was not</returns>
         bool DeleteItems(string field, string val);
 
+        /// <summary>
+        /// Delete items where field1 == val1, field2 == val2...
+        /// </summary>
+        /// <param name="fields"></param>
+        /// <param name="vals"></param>
+        /// <returns>true if the delete was successful, false if it was not</returns>
+        bool DeleteItems(string[] fields, string[] vals);
+
         bool MoveItem(string id, string newParent);
         XInventoryItem[] GetActiveGestures(UUID principalID);
         int GetAssetPermissions(UUID principalID, UUID assetID);
diff --git a/OpenSim/Data/MSSQL/MSSQLGenericTableHandler.cs b/OpenSim/Data/MSSQL/MSSQLGenericTableHandler.cs
index f5492b3..317afac 100644
--- a/OpenSim/Data/MSSQL/MSSQLGenericTableHandler.cs
+++ b/OpenSim/Data/MSSQL/MSSQLGenericTableHandler.cs
@@ -335,24 +335,35 @@ namespace OpenSim.Data.MSSQL
             }
         }
 
-        public virtual bool Delete(string field, string val)
+        public virtual bool Delete(string field, string key)
         {
+            return Delete(new string[] { field }, new string[] { key });
+        }
+
+        public virtual bool Delete(string[] fields, string[] keys)
+        {
+            if (fields.Length != keys.Length)
+                return false;
+
+            List<string> terms = new List<string>();
+
             using (SqlConnection conn = new SqlConnection(m_ConnectionString))
             using (SqlCommand cmd = new SqlCommand())
             {
-                string deleteCommand = String.Format("DELETE FROM {0} WHERE [{1}] = @{1}", m_Realm, field);
-                cmd.CommandText = deleteCommand;
-                
-                cmd.Parameters.Add(m_database.CreateParameter(field, val));
-                cmd.Connection = conn;
-                conn.Open();
-
-                if (cmd.ExecuteNonQuery() > 0)
+                for (int i = 0; i < fields.Length; i++)
                 {
-                    //m_log.Warn("[MSSQLGenericTable]: " + deleteCommand);
-                    return true;
+                    cmd.Parameters.Add(m_database.CreateParameter(fields[i], keys[i]));
+                    terms.Add("[" + fields[i] + "] = @" + fields[i]);
                 }
-                return false;
+
+                string where = String.Join(" AND ", terms.ToArray());
+
+                string query = String.Format("DELETE * FROM {0} WHERE {1}", m_Realm, where);
+
+                cmd.Connection = conn;
+                cmd.CommandText = query;
+                conn.Open();
+                return cmd.ExecuteNonQuery() > 0;
             }
         }
     }
diff --git a/OpenSim/Data/MSSQL/MSSQLXInventoryData.cs b/OpenSim/Data/MSSQL/MSSQLXInventoryData.cs
index 5bc4fe4..01689a4 100644
--- a/OpenSim/Data/MSSQL/MSSQLXInventoryData.cs
+++ b/OpenSim/Data/MSSQL/MSSQLXInventoryData.cs
@@ -79,11 +79,21 @@ namespace OpenSim.Data.MSSQL
             return m_Folders.Delete(field, val);
         }
 
+        public bool DeleteFolders(string[] fields, string[] vals)
+        {
+            return m_Folders.Delete(fields, vals);
+        }
+
         public bool DeleteItems(string field, string val)
         {
             return m_Items.Delete(field, val);
         }
 
+        public bool DeleteItems(string[] fields, string[] vals)
+        {
+            return m_Items.Delete(fields, vals);
+        }
+
         public bool MoveItem(string id, string newParent)
         {
             return m_Items.MoveItem(id, newParent);
diff --git a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
index cfffbd8..754cf72 100644
--- a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
+++ b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
@@ -264,18 +264,33 @@ namespace OpenSim.Data.MySQL
             }
         }
 
-        public virtual bool Delete(string field, string val)
+        public virtual bool Delete(string field, string key)
         {
+            return Delete(new string[] { field }, new string[] { key });
+        }
+
+        public virtual bool Delete(string[] fields, string[] keys)
+        {
+            if (fields.Length != keys.Length)
+                return false;
+
+            List<string> terms = new List<string>();
+
             using (MySqlCommand cmd = new MySqlCommand())
             {
+                for (int i = 0 ; i < fields.Length ; i++)
+                {
+                    cmd.Parameters.AddWithValue(fields[i], keys[i]);
+                    terms.Add("`" + fields[i] + "` = ?" + fields[i]);
+                }
 
-                cmd.CommandText = String.Format("delete from {0} where `{1}` = ?{1}", m_Realm, field);
-                cmd.Parameters.AddWithValue(field, val);
+                string where = String.Join(" and ", terms.ToArray());
 
-                if (ExecuteNonQuery(cmd) > 0)
-                    return true;
+                string query = String.Format("delete from {0} where {1}", m_Realm, where);
 
-                return false;
+                cmd.CommandText = query;
+
+                return ExecuteNonQuery(cmd) > 0;
             }
         }
     }
diff --git a/OpenSim/Data/MySQL/MySQLXInventoryData.cs b/OpenSim/Data/MySQL/MySQLXInventoryData.cs
index 481da49..caf18a4 100644
--- a/OpenSim/Data/MySQL/MySQLXInventoryData.cs
+++ b/OpenSim/Data/MySQL/MySQLXInventoryData.cs
@@ -85,11 +85,21 @@ namespace OpenSim.Data.MySQL
             return m_Folders.Delete(field, val);
         }
 
+        public bool DeleteFolders(string[] fields, string[] vals)
+        {
+            return m_Folders.Delete(fields, vals);
+        }
+
         public bool DeleteItems(string field, string val)
         {
             return m_Items.Delete(field, val);
         }
 
+        public bool DeleteItems(string[] fields, string[] vals)
+        {
+            return m_Items.Delete(fields, vals);
+        }
+
         public bool MoveItem(string id, string newParent)
         {
             return m_Items.MoveItem(id, newParent);
diff --git a/OpenSim/Data/SQLite/SQLiteGenericTableHandler.cs b/OpenSim/Data/SQLite/SQLiteGenericTableHandler.cs
index 0d7b001..3fb2d3f 100644
--- a/OpenSim/Data/SQLite/SQLiteGenericTableHandler.cs
+++ b/OpenSim/Data/SQLite/SQLiteGenericTableHandler.cs
@@ -258,17 +258,33 @@ namespace OpenSim.Data.SQLite
             return false;
         }
 
-        public bool Delete(string field, string val)
+        public virtual bool Delete(string field, string key)
         {
+            return Delete(new string[] { field }, new string[] { key });
+        }        
+
+        public bool Delete(string[] fields, string[] keys)
+        {
+            if (fields.Length != keys.Length)
+                return false;
+
+            List<string> terms = new List<string>();
+
             SqliteCommand cmd = new SqliteCommand();
 
-            cmd.CommandText = String.Format("delete from {0} where `{1}` = :{1}", m_Realm, field);
-            cmd.Parameters.Add(new SqliteParameter(field, val));
+            for (int i = 0 ; i < fields.Length ; i++)
+            {
+                cmd.Parameters.Add(new SqliteParameter(":" + fields[i], keys[i]));
+                terms.Add("`" + fields[i] + "` = :" + fields[i]);
+            }
+
+            string where = String.Join(" and ", terms.ToArray());
 
-            if (ExecuteNonQuery(cmd, m_Connection) > 0)
-                return true;
+            string query = String.Format("delete * from {0} where {1}", m_Realm, where);
 
-            return false;
+            cmd.CommandText = query;
+
+            return ExecuteNonQuery(cmd, m_Connection) > 0;
         }
     }
 }
diff --git a/OpenSim/Data/SQLite/SQLiteXInventoryData.cs b/OpenSim/Data/SQLite/SQLiteXInventoryData.cs
index ccbd86e..02edc30 100644
--- a/OpenSim/Data/SQLite/SQLiteXInventoryData.cs
+++ b/OpenSim/Data/SQLite/SQLiteXInventoryData.cs
@@ -91,11 +91,21 @@ namespace OpenSim.Data.SQLite
             return m_Folders.Delete(field, val);
         }
 
+        public bool DeleteFolders(string[] fields, string[] vals)
+        {
+            return m_Folders.Delete(fields, vals);
+        }
+
         public bool DeleteItems(string field, string val)
         {
             return m_Items.Delete(field, val);
         }
 
+        public bool DeleteItems(string[] fields, string[] vals)
+        {
+            return m_Items.Delete(fields, vals);
+        }        
+
         public bool MoveItem(string id, string newParent)
         {
             return m_Items.MoveItem(id, newParent);
diff --git a/OpenSim/Services/InventoryService/XInventoryService.cs b/OpenSim/Services/InventoryService/XInventoryService.cs
index 0af35c8..2282ee8 100644
--- a/OpenSim/Services/InventoryService/XInventoryService.cs
+++ b/OpenSim/Services/InventoryService/XInventoryService.cs
@@ -393,6 +393,10 @@ namespace OpenSim.Services.InventoryService
 
         public virtual bool UpdateItem(InventoryItemBase item)
         {
+            if (!m_AllowDelete)
+                if (item.AssetType == (sbyte)AssetType.Link || item.AssetType == (sbyte)AssetType.LinkFolder)
+                    return false;
+
             return m_Database.StoreItem(ConvertFromOpenSim(item));
         }
 
@@ -411,12 +415,30 @@ namespace OpenSim.Services.InventoryService
         public virtual bool DeleteItems(UUID principalID, List<UUID> itemIDs)
         {
             if (!m_AllowDelete)
-                return false;
-
-            // Just use the ID... *facepalms*
-            //
-            foreach (UUID id in itemIDs)
-                m_Database.DeleteItems("inventoryID", id.ToString());
+            {
+                // We must still allow links and links to folders to be deleted, otherwise they will build up
+                // in the player's inventory until they can no longer log in.  Deletions of links due to code bugs or
+                // similar is inconvenient but on a par with accidental movement of items.  The original item is never
+                // touched.
+                foreach (UUID id in itemIDs)
+                {
+                    if (!m_Database.DeleteItems(
+                        new string[] { "inventoryID", "assetType" },
+                        new string[] { id.ToString(), ((sbyte)AssetType.Link).ToString() }));
+                    {
+                        m_Database.DeleteItems(
+                            new string[] { "inventoryID", "assetType" },
+                            new string[] { id.ToString(), ((sbyte)AssetType.LinkFolder).ToString() });
+                    }
+                }
+            }
+            else
+            {
+                // Just use the ID... *facepalms*
+                //
+                foreach (UUID id in itemIDs)
+                    m_Database.DeleteItems("inventoryID", id.ToString());
+            }
 
             return true;
         }