Task/rdmp 250 remote table attacher no raw (HicServices#2083)

* add table attacher without db creation

* update docs

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [8.4.1] - Unreleased
+
+- Add Remote Table Without DB Creation Attacher
+
 ## [8.4.0] - 2024-12-02
 
 - Add Ordering to Filters

Rdmp.Core/DataLoad/Modules/Attachers/RemoteAttacher.cs

@@ -24,7 +24,7 @@ namespace Rdmp.Core.DataLoad.Modules.Attachers;
 public class RemoteAttacher : Attacher, IPluginAttacher
 {
 
-    public RemoteAttacher() : base(true) { }
+    public RemoteAttacher(bool requestsExternalDatabaseCreation=true) : base(requestsExternalDatabaseCreation) { }
     [DemandsInitialization("How far back to pull data from")]
     public AttacherHistoricalDurations HistoricalFetchDuration { get; set; }
 

Rdmp.Core/DataLoad/Modules/Attachers/RemoteTableAttacher.cs

@@ -37,7 +37,7 @@ public class RemoteTableAttacher : RemoteAttacher
 {
     private const string FutureLoadMessage = "Cannot load data from the future";
 
-    public RemoteTableAttacher() : base()
+    public RemoteTableAttacher(bool requestsExternalDatabaseCreation=true) : base(requestsExternalDatabaseCreation)
     {
     }
 

Rdmp.Core/DataLoad/Modules/Attachers/RemoteTableWithoutDBCreationAttacher.cs

@@ -0,0 +1,19 @@
+// Copyright (c) The University of Dundee 2024-2024
+// This file is part of the Research Data Management Platform (RDMP).
+// RDMP is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+// RDMP is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License along with RDMP. If not, see <https://www.gnu.org/licenses/>.
+
+
+namespace Rdmp.Core.DataLoad.Modules.Attachers;
+
+/// <summary>
+/// Data load component for loading tables with records read from a remote database server.  Runs the specified query (which can include a date parameter)
+/// and inserts the results of the query into RAW.
+/// This attcher does not create RAW if it does not exist. Another attacher will be required to generate the initial RAW database
+/// </summary>
+public class RemoteTableWithoutDBCreationAttacher: RemoteTableAttacher
+{
+
+    public RemoteTableWithoutDBCreationAttacher() : base(false) { }
+}