RavenDB-22116 add debug method to delete document by etag

src/Raven.Server/Documents/DocumentsStorage.Debug.cs

@@ -0,0 +1,37 @@
+using Raven.Server.ServerWide.Context;
+using Voron.Data.Tables;
+
+namespace Raven.Server.Documents
+{
+    public partial class DocumentsStorage
+    {
+        public Debugging ForDebug => new Debugging(this);
+
+        public class Debugging
+        {
+            private readonly DocumentsStorage _storage;
+
+            public Debugging(DocumentsStorage storage)
+            {
+                _storage = storage;
+            }
+            // Used to delete corrupted document from the JS admin console
+            public void DeleteDocumentByEtag(long etag)
+            {
+                using (_storage.ContextPool.AllocateOperationContext(out DocumentsOperationContext context))
+                using (var tx = context.OpenWriteTransaction())
+                {
+                    var table = new Table(DocsSchema, context.Transaction.InnerTransaction);
+                    var index = DocsSchema.FixedSizeIndexes[AllDocsEtagsSlice];
+
+                    if (table.FindByIndex(index, etag, out var reader))
+                    {
+                        var doc = _storage.TableValueToDocument(context, ref reader, DocumentFields.Id);
+                        _storage.Delete(context, doc.Id, DocumentFlags.None);
+                        tx.Commit();
+                    }
+                }
+            }
+        }
+    }
+}

src/Raven.Server/Documents/DocumentsStorage.cs

@@ -36,7 +36,7 @@
 
 namespace Raven.Server.Documents
 {
-    public unsafe class DocumentsStorage : IDisposable
+    public unsafe partial class DocumentsStorage : IDisposable
     {
         private static readonly Slice DocsSlice;
         public static readonly Slice CollectionEtagsSlice;

src/Voron/Data/Tables/Table.cs

@@ -1830,7 +1830,6 @@ public long DeleteBackwardFrom(TableSchema.FixedSizeSchemaIndexDef index, long v
 
         public bool FindByIndex(TableSchema.FixedSizeSchemaIndexDef index, long value, out TableValueReader reader)
         {
-            AssertWritableTable();
             reader = default;
             var fst = GetFixedSizeTree(index);