interface.go

@@ -28,6 +28,7 @@ type Interface interface {
 	Delete(interface{}) (int64, error)
 	Distinct(columns ...string) *Session
 	DropIndexes(bean interface{}) error
+	DropTableCols(bean interface{}, cols ...string) error
 	Exec(sqlOrArgs ...interface{}) (sql.Result, error)
 	Exist(bean ...interface{}) (bool, error)
 	Find(interface{}, ...interface{}) error

session_schema_test.go

@@ -345,3 +345,17 @@ func TestSync2_Default(t *testing.T) {
 	assertSync(t, new(TestSync2Default))
 	assert.NoError(t, testEngine.Sync2(new(TestSync2Default)))
 }
+
+func TestDropTableCols(t *testing.T) {
+	type TestDropTableCols struct {
+		Id       int64
+		UserId   int64  `xorm:"default(1)"`
+		ToDrop   bool   `xorm:"default(true)"`
+		Name     string `xorm:"default('my_name')"`
+	}
+
+	assert.NoError(t, prepareEngine())
+	assert.NoError(t, testEngine.Sync2(new(TestDropTableCols)))
+	assert.NoError(t, testEngine.DropTableCols(new(TestDropTableCols),"name", "to_drop"))
+	//ToDo: TEST if cols still exist
+}