Method DropColumn

migrator/migrator.go:397–409

DropColumn drop value's `name` column

(value interface{}, name string)

// DropColumn drop value's `name` column
func (m Migrator) DropColumn(value interface{}, name string) error {
	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
		if stmt.Schema != nil {
			if field := stmt.Schema.LookUpField(name); field != nil {
				name = field.DBName
			}
		}

		return m.DB.Exec(
			"ALTER TABLE ? DROP COLUMN ?", m.CurrentTable(stmt), clause.Column{Name: name},
		).Error
	})
}

// AlterColumn alter value's `field` column's type based on schema definition
func (m Migrator) AlterColumn(value interface{}, field string) error {