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Code Issues Releases Activity

orm #276

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This commit is contained in:
slene 2013-11-08 22:19:01 +08:00
parent 558738ade8
commit 167ad203cb
2 changed files with 37 additions and 6 deletions
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30
orm/db.go
View File

@ -705,8 +705,14 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
ind.Set(mind)
} else {
if cnt == 0 {
// you can use a empty & caped container list
// orm will not replace it
if ind.Len() != 0 {
// if container is not empty
// create a new one
slice = reflect.New(ind.Type()).Elem()
}
}
if isPtr {
slice = reflect.Append(slice, mind.Addr())
@ -718,8 +724,16 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
cnt++
}
if one == false && cnt > 0 {
if one == false {
if cnt > 0 {
ind.Set(slice)
} else {
// when a result is empty and container is nil
// to set a empty container
if ind.IsNil() {
ind.Set(reflect.MakeSlice(ind.Type(), 0, 0))
}
}
}
return cnt, nil
@ -1058,12 +1072,24 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
)
typ := 0
switch container.(type) {
switch v := container.(type) {
case *[]Params:
d := *v
if len(d) == 0 {
maps = d
}
typ = 1
case *[]ParamsList:
d := *v
if len(d) == 0 {
lists = d
}
typ = 2
case *ParamsList:
d := *v
if len(d) == 0 {
list = d
}
typ = 3
default:
panic(fmt.Errorf("unsupport read values type `%T`", container))

9
orm/orm_test.go
View File

@ -696,8 +696,13 @@ func TestAll(t *testing.T) {
qs = dORM.QueryTable("user")
num, err = qs.Filter("user_name", "nothing").All(&users)
throwFail(t, err)
throwFail(t, AssertIs(num, 0))
throwFailNow(t, err)
throwFailNow(t, AssertIs(num, 0))
var users3 []*User
qs = dORM.QueryTable("user")
num, err = qs.Filter("user_name", "nothing").All(&users3)
throwFailNow(t, AssertIs(users3 == nil, false))
}
func TestOne(t *testing.T) {