made sure that all timestamp columns are defaulted and update as expe…

…cted

server/backend/migration/20240319000000.go

@@ -0,0 +1,29 @@
+package migration
+
+import (
+	"fmt"
+	"github.com/go-gormigrate/gormigrate/v2"
+	"gorm.io/gorm"
+)
+
+// migrate20240319000000
+// made sure that all timestamp columns are defaulted and update as expected
+func migrate20240319000000() *gormigrate.Migration {
+	return &gormigrate.Migration{
+		ID: "20240319000000",
+		Migrate: func(tx *gorm.DB) error {
+			tables := []string{"cafeteria_rating", "canteen_head_count", "dish_rating"}
+			for _, t := range tables {
+				tx.Exec(fmt.Sprintf("alter table `%s` modify timestamp timestamp default current_timestamp() not null on update current_timestamp()", t))
+			}
+			return nil
+		},
+		Rollback: func(tx *gorm.DB) error {
+			tables := []string{"cafeteria_rating", "canteen_head_count", "dish_rating"}
+			for _, t := range tables {
+				tx.Exec(fmt.Sprintf("alter table `%s` modify timestamp timestamp not null", t))
+			}
+			return nil
+		},
+	}
+}

server/backend/migration/migration.go

@@ -75,6 +75,7 @@ func manualMigrate(db *gorm.DB) error {
 		migrate20240312000000(),
 		migrate20240316000000(),
 		migrate20240317000000(),
+		migrate20240319000000(),
 	}
 	return gormigrate.New(db, gormigrateOptions, migrations).Migrate()
 }