fix bug on cache specify table name (#710)

cache_test.go

@@ -59,6 +59,30 @@ func TestCacheFind(t *testing.T) {
 		assert.Equal(t, inserts[i].Password, box.Password)
 	}
 
+	boxes = make([]MailBox, 0, 2)
+	assert.NoError(t, testEngine.Alias("a").Where("a.id > -1").Asc("a.id").Find(&boxes))
+	assert.EqualValues(t, 2, len(boxes))
+	for i, box := range boxes {
+		assert.Equal(t, inserts[i].Id, box.Id)
+		assert.Equal(t, inserts[i].Username, box.Username)
+		assert.Equal(t, inserts[i].Password, box.Password)
+	}
+
+	type MailBox4 struct {
+		Id       int64
+		Username string
+		Password string
+	}
+
+	boxes2 := make([]MailBox4, 0, 2)
+	assert.NoError(t, testEngine.Table("mail_box").Where("mail_box.id > -1").Asc("mail_box.id").Find(&boxes2))
+	assert.EqualValues(t, 2, len(boxes2))
+	for i, box := range boxes2 {
+		assert.Equal(t, inserts[i].Id, box.Id)
+		assert.Equal(t, inserts[i].Username, box.Username)
+		assert.Equal(t, inserts[i].Password, box.Password)
+	}
+
 	testEngine.SetDefaultCacher(oldCacher)
 }
 

session_find.go

@@ -348,7 +348,7 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 			return err
 		}
 		bean := cacher.GetBean(tableName, sid)
-		if bean == nil {
+		if bean == nil || reflect.ValueOf(bean).Elem().Type() != t {
 			ides = append(ides, id)
 			ididxes[sid] = idx
 		} else {
@@ -389,7 +389,7 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 			}
 		}
 
-		err = session.NoCache().find(beans)
+		err = session.NoCache().Table(tableName).find(beans)
 		if err != nil {
 			return err
 		}