Add ExecuteSql overload that takes DictionaryObjects

Author: mythz

src/ServiceStack.OrmLite/OrmLiteWriteApi.cs

@@ -55,6 +55,15 @@ public static int ExecuteSql(this IDbConnection dbConn, string sql, object dbPar
             return dbConn.Exec(dbCmd => dbCmd.ExecuteSql(sql, dbParams));
         }
 
+        /// <summary>
+        /// Execute any arbitrary raw SQL with db params.
+        /// </summary>
+        /// <returns>number of rows affected</returns>
+        public static int ExecuteSql(this IDbConnection dbConn, string sql, Dictionary<string,object> dbParams)
+        {
+            return dbConn.Exec(dbCmd => dbCmd.ExecuteSql(sql, dbParams));
+        }
+
         /// <summary>
         /// Insert 1 POCO, use selectIdentity to retrieve the last insert AutoIncrement id (if any). E.g:
         /// <para>var id = db.Insert(new Person { Id = 1, FirstName = "Jimi }, selectIdentity:true)</para>

tests/ServiceStack.OrmLite.Tests/OrmLiteUpdateTests.cs

@@ -377,6 +377,13 @@ public void Can_updated_with_ExecuteSql_and_db_params()
 
                 var row = db.SingleById<Poco>(2);
                 Assert.That(row.Name, Is.EqualTo("UPDATED"));
+
+                sql = "UPDATE poco SET name = {0}name WHERE id = {0}id".Fmt(OrmLiteConfig.DialectProvider.ParamString);
+                result = db.ExecuteSql(sql, new Dictionary<string, object> { {"id", 2}, {"name", "RE-UPDATED" } });
+                Assert.That(result, Is.EqualTo(1));
+
+                row = db.SingleById<Poco>(2);
+                Assert.That(row.Name, Is.EqualTo("RE-UPDATED"));
             }
         }