diff --git a/migrations/mysql/20240531163411_trades_created.sql b/migrations/mysql/20240531163411_trades_created.sql
index 001b267c9..1b2323796 100644
--- a/migrations/mysql/20240531163411_trades_created.sql
+++ b/migrations/mysql/20240531163411_trades_created.sql
@@ -1,6 +1,6 @@
 -- +up
 -- +begin
-ALTER TABLE `trades` ADD COLUMN `inserted_at` DATETIME(3) DEFAULT CURRENT_TIMESTAMP NOT NULL AFTER `traded_at`;
+ALTER TABLE `trades` ADD COLUMN `inserted_at` DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL AFTER `traded_at`;
 -- +end
 
 -- +begin
diff --git a/pkg/service/reflect.go b/pkg/service/reflect.go
index bcf76b08b..c2acc65aa 100644
--- a/pkg/service/reflect.go
+++ b/pkg/service/reflect.go
@@ -27,13 +27,16 @@ func tableNameOf(record interface{}) string {
 }
 
 func placeholdersOf(record interface{}) []string {
-	vt := reflect.ValueOf(record)
 	rt := reflect.TypeOf(record)
-
 	if rt.Kind() == reflect.Ptr {
 		rt = rt.Elem()
 	}
 
+	vt := reflect.ValueOf(record)
+	if vt.Kind() == reflect.Ptr {
+		vt = vt.Elem()
+	}
+
 	if rt.Kind() != reflect.Struct {
 		return nil
 	}
@@ -60,13 +63,16 @@ func placeholdersOf(record interface{}) []string {
 }
 
 func fieldsNamesOf(record interface{}) []string {
-	vt := reflect.ValueOf(record)
 	rt := reflect.TypeOf(record)
-
 	if rt.Kind() == reflect.Ptr {
 		rt = rt.Elem()
 	}
 
+	vt := reflect.ValueOf(record)
+	if vt.Kind() == reflect.Ptr {
+		vt = vt.Elem()
+	}
+
 	if rt.Kind() != reflect.Struct {
 		return nil
 	}