feat: Safety option for skip column changes

itering · Sep 28, 2021 · 61f417b · 61f417b
1 parent 9e50088
commit 61f417b
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 0 deletions.
diff --git a/gorm.go b/gorm.go
@@ -39,6 +39,8 @@ type Config struct {
 	DisableForeignKeyConstraintWhenMigrating bool
 	// DisableNestedTransaction disable nested transaction
 	DisableNestedTransaction bool
+	// SafetyAutoMigration disable columns alter when it exists
+	SafetyAutoMigration bool
 	// AllowGlobalUpdate allow global update
 	AllowGlobalUpdate bool
 	// QueryFields executes the SQL query with all fields of the table

diff --git a/migrator/migrator.go b/migrator/migrator.go
@@ -112,6 +112,8 @@ func (m Migrator) AutoMigrate(values ...interface{}) error {
 						if err := tx.Migrator().AddColumn(value, field.DBName); err != nil {
 							return err
 						}
+					} else if m.DB.SafetyAutoMigration {
+						// skip MigrationColumn
 					} else if err := m.DB.Migrator().MigrateColumn(value, field, foundColumn); err != nil {
 						// found, smart migrate
 						return err