add deleted condition for Update operation (#1249)

session_update.go

@@ -244,7 +244,9 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 	}
 
 	var autoCond builder.Cond
-	if !session.statement.noAutoCondition && len(condiBean) > 0 {
+	if !session.statement.noAutoCondition {
+		condBeanIsStruct := false
+		if len(condiBean) > 0 {
 			if c, ok := condiBean[0].(map[string]interface{}); ok {
 				autoCond = builder.Eq(c)
 			} else {
@@ -259,12 +261,26 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 					if err != nil {
 						return 0, err
 					}
+					condBeanIsStruct = true
 				} else {
 					return 0, ErrConditionType
 				}
 			}
 		}
 
+		if !condBeanIsStruct && table != nil {
+			if col := table.DeletedColumn(); col != nil && !session.statement.unscoped { // tag "deleted" is enabled
+				autoCond1 := session.engine.CondDeleted(session.engine.Quote(col.Name))
+
+				if autoCond == nil {
+					autoCond = autoCond1
+				} else {
+					autoCond = autoCond.And(autoCond1)
+				}
+			}
+		}
+	}
+
 	st := &session.statement
 
 	var sqlStr string

session_update_test.go

@@ -1349,3 +1349,44 @@ func TestWhereCondErrorWhenUpdate(t *testing.T) {
 	assert.Error(t, err)
 	assert.EqualValues(t, ErrConditionType, err)
 }
+
+func TestUpdateDeleted(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	type UpdateDeletedStruct struct {
+		Id        int64
+		Name      string
+		DeletedAt time.Time `xorm:"deleted"`
+	}
+
+	assertSync(t, new(UpdateDeletedStruct))
+
+	var s = UpdateDeletedStruct{
+		Name: "test",
+	}
+	cnt, err := testEngine.Insert(&s)
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+
+	cnt, err = testEngine.ID(s.Id).Delete(&UpdateDeletedStruct{})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+
+	cnt, err = testEngine.ID(s.Id).Update(&UpdateDeletedStruct{
+		Name: "test1",
+	})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 0, cnt)
+
+	cnt, err = testEngine.Table(&UpdateDeletedStruct{}).ID(s.Id).Update(map[string]interface{}{
+		"name": "test1",
+	})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 0, cnt)
+
+	cnt, err = testEngine.ID(s.Id).Unscoped().Update(&UpdateDeletedStruct{
+		Name: "test1",
+	})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+}