Fix chain of FileEntityTypeMap decorated with a previous instance being registered with every accessor eventually causing StackOverflowException

Author: C0nquistadore

src/Dibix.Dapper/DapperDatabaseAccessor.cs

@@ -12,6 +12,10 @@ public class DapperDatabaseAccessor : DatabaseAccessor, IDatabaseAccessor, IDisp
     {
         #region Constructor
         public DapperDatabaseAccessor(DbConnection connection, DatabaseAccessorOptions options) : base(connection, options)
+        {
+        }
+
+        static DapperDatabaseAccessor()
         {
             ConfigureDapper();
         }
@@ -100,7 +104,7 @@ protected object CollectParameters(ParametersVisitor parametersVisitor)
         private static void ConfigureDapper()
         {
             SqlMapper.AddTypeHandler(new DapperUriTypeHandler());
-            SqlMapper.SetTypeMap(FileEntityTypeMap.Type, new FileEntityTypeMap());
+            DecoratedTypeMap.RegisterOnce(FileEntityTypeMap.Type, (x, _) => new FileEntityTypeMap(x));
         }
         #endregion
 

src/Dibix.Dapper/DecoratedTypeMap.cs

@@ -32,16 +32,17 @@ private protected DecoratedTypeMap(SqlMapper.ITypeMap inner, Type type)
         private static void AdaptCore(params Type[] types)
         {
             foreach (Type type in types)
-                Register(type);
+                RegisterOnce(type);
         }
 
-        private static void Register(Type type)
+        private static void RegisterOnce(Type type) => RegisterOnce(type, (x, y) => new DecoratedTypeMap(x, y));
+        public static void RegisterOnce(Type type, Func<SqlMapper.ITypeMap, Type, SqlMapper.ITypeMap> wrapper)
         {
             SqlMapper.ITypeMap typeMap = SqlMapper.GetTypeMap(type);
             if (typeMap is DecoratedTypeMap)
                 return;
 
-            SqlMapper.SetTypeMap(type, new DecoratedTypeMap(typeMap, type));
+            SqlMapper.SetTypeMap(type, wrapper(typeMap, type));
         }
         #endregion
 

src/Dibix.Dapper/FileEntityTypeMap.cs

@@ -7,7 +7,7 @@ internal sealed class FileEntityTypeMap : DecoratedTypeMap, SqlMapper.ITypeMap
     {
         public static readonly Type Type = typeof(FileEntity);
 
-        internal FileEntityTypeMap() : base(SqlMapper.GetTypeMap(Type), Type) { }
+        internal FileEntityTypeMap(SqlMapper.ITypeMap inner) : base(inner, Type) { }
 
         public override SqlMapper.IMemberMap GetMember(string columnName)
         {