improve ScanList for package gdb; improve Structs for package gconv

This commit is contained in:
jianchenma 2021-02-05 17:42:05 +08:00
parent 72251b880a
commit 8ae0bd148b
4 changed files with 363 additions and 25 deletions

View File

@ -207,7 +207,12 @@ func (r Result) ScanList(listPointer interface{}, bindToAttrName string, relatio
}
case reflect.Ptr:
e := reflect.New(bindToAttrType.Elem()).Elem()
var element reflect.Value
if bindToAttrValue.IsNil() {
element = reflect.New(bindToAttrType.Elem()).Elem()
} else {
element = bindToAttrValue.Elem()
}
if len(relationDataMap) > 0 {
relationFromAttrField = relationFromAttrValue.FieldByName(relationBindToSubAttrName)
if relationFromAttrField.IsValid() {
@ -216,7 +221,7 @@ func (r Result) ScanList(listPointer interface{}, bindToAttrName string, relatio
// There's no relational data.
continue
}
if err = gconv.Struct(v, e); err != nil {
if err = gconv.Struct(v, element); err != nil {
return err
}
} else {
@ -229,14 +234,13 @@ func (r Result) ScanList(listPointer interface{}, bindToAttrName string, relatio
// There's no relational data.
continue
}
if err = gconv.Struct(v, e); err != nil {
if err = gconv.Struct(v, element); err != nil {
return err
}
}
bindToAttrValue.Set(e.Addr())
bindToAttrValue.Set(element.Addr())
case reflect.Struct:
e := reflect.New(bindToAttrType).Elem()
if len(relationDataMap) > 0 {
relationFromAttrField = relationFromAttrValue.FieldByName(relationBindToSubAttrName)
if relationFromAttrField.IsValid() {
@ -245,7 +249,7 @@ func (r Result) ScanList(listPointer interface{}, bindToAttrName string, relatio
// There's no relational data.
continue
}
if err = gconv.Struct(relationDataItem, e); err != nil {
if err = gconv.Struct(relationDataItem, bindToAttrValue); err != nil {
return err
}
} else {
@ -258,11 +262,10 @@ func (r Result) ScanList(listPointer interface{}, bindToAttrName string, relatio
// There's no relational data.
continue
}
if err = gconv.Struct(relationDataItem, e); err != nil {
if err = gconv.Struct(relationDataItem, bindToAttrValue); err != nil {
return err
}
}
bindToAttrValue.Set(e)
default:
return gerror.Newf(`unsupported attribute type: %s`, bindToAttrKind.String())

View File

@ -336,3 +336,323 @@ func TestResult_Structs1(t *testing.T) {
t.Assert(array[1].Name, "smith")
})
}
// https://github.com/gogf/gf/issues/1159
func Test_ScanList_NoRecreate_PtrAttribute(t *testing.T) {
gtest.C(t, func(t *gtest.T) {
type S1 struct {
Id int
Name string
Age int
Score int
}
type S3 struct {
One *S1
}
var (
s []*S3
err error
)
r1 := Result{
Record{
"id": gvar.New(1),
"name": gvar.New("john"),
"age": gvar.New(16),
},
Record{
"id": gvar.New(2),
"name": gvar.New("smith"),
"age": gvar.New(18),
},
}
err = r1.ScanList(&s, "One")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
r2 := Result{
Record{
"id": gvar.New(1),
"age": gvar.New(20),
},
Record{
"id": gvar.New(2),
"age": gvar.New(21),
},
}
err = r2.ScanList(&s, "One", "One", "id:Id")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 20)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 21)
})
}
// https://github.com/gogf/gf/issues/1159
func Test_ScanList_NoRecreate_StructAttribute(t *testing.T) {
gtest.C(t, func(t *gtest.T) {
type S1 struct {
Id int
Name string
Age int
Score int
}
type S3 struct {
One S1
}
var (
s []*S3
err error
)
r1 := Result{
Record{
"id": gvar.New(1),
"name": gvar.New("john"),
"age": gvar.New(16),
},
Record{
"id": gvar.New(2),
"name": gvar.New("smith"),
"age": gvar.New(18),
},
}
err = r1.ScanList(&s, "One")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
r2 := Result{
Record{
"id": gvar.New(1),
"age": gvar.New(20),
},
Record{
"id": gvar.New(2),
"age": gvar.New(21),
},
}
err = r2.ScanList(&s, "One", "One", "id:Id")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 20)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 21)
})
}
// https://github.com/gogf/gf/issues/1159
func Test_ScanList_NoRecreate_SliceAttribute_Ptr(t *testing.T) {
gtest.C(t, func(t *gtest.T) {
type S1 struct {
Id int
Name string
Age int
Score int
}
type S2 struct {
Id int
Pid int
Name string
Age int
Score int
}
type S3 struct {
One *S1
Many []*S2
}
var (
s []*S3
err error
)
r1 := Result{
Record{
"id": gvar.New(1),
"name": gvar.New("john"),
"age": gvar.New(16),
},
Record{
"id": gvar.New(2),
"name": gvar.New("smith"),
"age": gvar.New(18),
},
}
err = r1.ScanList(&s, "One")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
r2 := Result{
Record{
"id": gvar.New(100),
"pid": gvar.New(1),
"age": gvar.New(30),
"name": gvar.New("john"),
},
Record{
"id": gvar.New(200),
"pid": gvar.New(1),
"age": gvar.New(31),
"name": gvar.New("smith"),
},
}
err = r2.ScanList(&s, "Many", "One", "pid:Id")
//fmt.Printf("%+v", err)
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(len(s[0].Many), 2)
t.Assert(s[0].Many[0].Name, "john")
t.Assert(s[0].Many[0].Age, 30)
t.Assert(s[0].Many[1].Name, "smith")
t.Assert(s[0].Many[1].Age, 31)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
t.Assert(len(s[1].Many), 0)
r3 := Result{
Record{
"id": gvar.New(100),
"pid": gvar.New(1),
"age": gvar.New(40),
},
Record{
"id": gvar.New(200),
"pid": gvar.New(1),
"age": gvar.New(41),
},
}
err = r3.ScanList(&s, "Many", "One", "pid:Id")
//fmt.Printf("%+v", err)
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(len(s[0].Many), 2)
t.Assert(s[0].Many[0].Name, "john")
t.Assert(s[0].Many[0].Age, 40)
t.Assert(s[0].Many[1].Name, "smith")
t.Assert(s[0].Many[1].Age, 41)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
t.Assert(len(s[1].Many), 0)
})
}
// https://github.com/gogf/gf/issues/1159
func Test_ScanList_NoRecreate_SliceAttribute_Struct(t *testing.T) {
gtest.C(t, func(t *gtest.T) {
type S1 struct {
Id int
Name string
Age int
Score int
}
type S2 struct {
Id int
Pid int
Name string
Age int
Score int
}
type S3 struct {
One S1
Many []S2
}
var (
s []S3
err error
)
r1 := Result{
Record{
"id": gvar.New(1),
"name": gvar.New("john"),
"age": gvar.New(16),
},
Record{
"id": gvar.New(2),
"name": gvar.New("smith"),
"age": gvar.New(18),
},
}
err = r1.ScanList(&s, "One")
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
r2 := Result{
Record{
"id": gvar.New(100),
"pid": gvar.New(1),
"age": gvar.New(30),
"name": gvar.New("john"),
},
Record{
"id": gvar.New(200),
"pid": gvar.New(1),
"age": gvar.New(31),
"name": gvar.New("smith"),
},
}
err = r2.ScanList(&s, "Many", "One", "pid:Id")
//fmt.Printf("%+v", err)
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(len(s[0].Many), 2)
t.Assert(s[0].Many[0].Name, "john")
t.Assert(s[0].Many[0].Age, 30)
t.Assert(s[0].Many[1].Name, "smith")
t.Assert(s[0].Many[1].Age, 31)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
t.Assert(len(s[1].Many), 0)
r3 := Result{
Record{
"id": gvar.New(100),
"pid": gvar.New(1),
"age": gvar.New(40),
},
Record{
"id": gvar.New(200),
"pid": gvar.New(1),
"age": gvar.New(41),
},
}
err = r3.ScanList(&s, "Many", "One", "pid:Id")
//fmt.Printf("%+v", err)
t.Assert(err, nil)
t.Assert(len(s), 2)
t.Assert(s[0].One.Name, "john")
t.Assert(s[0].One.Age, 16)
t.Assert(len(s[0].Many), 2)
t.Assert(s[0].Many[0].Name, "john")
t.Assert(s[0].Many[0].Age, 40)
t.Assert(s[0].Many[1].Name, "smith")
t.Assert(s[0].Many[1].Age, 41)
t.Assert(s[1].One.Name, "smith")
t.Assert(s[1].One.Age, 18)
t.Assert(len(s[1].Many), 0)
})
}

View File

@ -467,7 +467,7 @@ CREATE TABLE %s (
}
func Test_SoftDelete(t *testing.T) {
table := "time_test_table"
table := "time_test_table_" + gtime.TimestampNanoStr()
if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
id int(11) NOT NULL,
@ -606,7 +606,7 @@ CREATE TABLE %s (
}
func Test_SoftDelete_WhereAndOr(t *testing.T) {
table := "time_test_table"
table := "time_test_table_" + gtime.TimestampNanoStr()
if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
id int(11) NOT NULL,
@ -648,7 +648,7 @@ CREATE TABLE %s (
}
func Test_CreateUpdateTime_Struct(t *testing.T) {
table := "time_test_table"
table := "time_test_table_" + gtime.TimestampNanoStr()
if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
id int(11) NOT NULL,

View File

@ -91,27 +91,42 @@ func doStructs(params interface{}, pointer interface{}, mapping ...map[string]st
return nil
}
var (
array = reflect.MakeSlice(pointerRv.Type().Elem(), len(paramsMaps), len(paramsMaps))
itemType = array.Index(0).Type()
reflectElemArray = reflect.MakeSlice(pointerRv.Type().Elem(), len(paramsMaps), len(paramsMaps))
itemType = reflectElemArray.Index(0).Type()
itemTypeKind = itemType.Kind()
pointerRvElem = pointerRv.Elem()
pointerRvLength = pointerRvElem.Len()
)
if itemTypeKind == reflect.Ptr {
// Pointer element.
for i := 0; i < len(paramsMaps); i++ {
if itemType.Kind() == reflect.Ptr {
// Slice element is type pointer.
e := reflect.New(itemType.Elem()).Elem()
if err = Struct(paramsMaps[i], e, mapping...); err != nil {
return err
}
array.Index(i).Set(e.Addr())
var tempReflectValue reflect.Value
if i < pointerRvLength {
tempReflectValue = pointerRvElem.Index(i).Elem()
} else {
// Slice element is not type of pointer.
e := reflect.New(itemType).Elem()
if err = Struct(paramsMaps[i], e, mapping...); err != nil {
tempReflectValue = reflect.New(itemType.Elem()).Elem()
}
if err = Struct(paramsMaps[i], tempReflectValue, mapping...); err != nil {
return err
}
array.Index(i).Set(e)
reflectElemArray.Index(i).Set(tempReflectValue.Addr())
}
} else {
// Struct element.
for i := 0; i < len(paramsMaps); i++ {
var tempReflectValue reflect.Value
if i < pointerRvLength {
tempReflectValue = pointerRvElem.Index(i)
} else {
tempReflectValue = reflect.New(itemType).Elem()
}
if err = Struct(paramsMaps[i], tempReflectValue, mapping...); err != nil {
return err
}
reflectElemArray.Index(i).Set(tempReflectValue)
}
}
pointerRv.Elem().Set(array)
pointerRv.Elem().Set(reflectElemArray)
return nil
}