add some sql

src/Pole.Sagas.Storage.PostgreSql/PoleSagasPostgreSqlExtensions.cs

+using Microsoft.Extensions.DependencyInjection;
+using Pole.Sagas.Core;
+using Pole.Sagas.Core.Abstraction;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Pole.Sagas.Storage.PostgreSql
+{
+    public static class PoleSagasPostgreSqlExtensions
+    {
+        public static IServiceCollection AddPostgreSqlStorage(IServiceCollection services,Action<PoleSagasStoragePostgreSqlOption> config)
+        {
+            services.Configure(config);
+            services.AddSingleton<ISagaStorageInitializer, PostgreSqlEventStorageInitializer>();
+            services.AddSingleton<ISagaStorage, PostgreSqlSagaStorage>();
+            return services;
+        }
+    }
+}

src/Pole.Sagas.Storage.PostgreSql/PostgreSqlSagaStorage.cs

-using Pole.Sagas.Core;
+using Dapper;
+using Microsoft.Extensions.Options;
+using Npgsql;
+using Pole.Sagas.Core;
+using Pole.Sagas.Core.Abstraction;
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -8,9 +12,42 @@ namespace Pole.Sagas.Storage.PostgreSql
 {
     public class PostgreSqlSagaStorage : ISagaStorage
     {
-        public Task ActivityCompensateAborted(string activityId, string sagaId, string errors)
+        private readonly string sagaTableName;
+        private readonly string activityTableName;
+        private readonly PoleSagasStoragePostgreSqlOption  poleSagasStoragePostgreSqlOption;
+        private readonly ISagaStorageInitializer  sagaStorageInitializer;
+        public PostgreSqlSagaStorage(IOptions<PoleSagasStoragePostgreSqlOption> poleSagasStoragePostgreSqlOption, ISagaStorageInitializer sagaStorageInitializer)
         {
-            throw new NotImplementedException();
+            this.poleSagasStoragePostgreSqlOption = poleSagasStoragePostgreSqlOption.Value;
+            this.sagaStorageInitializer = sagaStorageInitializer;
+            sagaTableName = sagaStorageInitializer.GetSagaTableName();
+            activityTableName = sagaStorageInitializer.GetActivityTableName();
+        }
+        public async Task ActivityCompensateAborted(string activityId, string sagaId, string errors)
+        {          
+            using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
+            {
+                using(var tansaction = await connection.BeginTransactionAsync())
+                {
+                    var updateActivitySql =
+$"UPDATE {activityTableName} SET \"Status\"=@Status,\"Errors\"=@Errors WHERE \"Id\" = @Id";
+                    await connection.ExecuteAsync(updateActivitySql,  new
+                    {
+                        Id = activityId,
+                        Errors= errors,
+                        Status= nameof(ActivityStatus.CompensateAborted)
+                    }, tansaction);
+
+                    var updateSagaSql =
+$"UPDATE {sagaTableName} SET \"Status\"=@Status,\"Errors\"=@Errors WHERE \"Id\" = @Id";
+                    await connection.ExecuteAsync(updateSagaSql, new
+                    {
+                        Id = activityId,
+                        Status = nameof(ActivityStatus.CompensateAborted)
+                    }, tansaction);
+                }
+
+            }
         }
 
         public Task ActivityCompensated(string activityId)