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feat(scan): add Scanner interface (#2317)

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Signed-off-by: monkey92t <golang@88.com>
This commit is contained in:
Monkey
2022-12-24 22:29:45 +08:00
committed by GitHub
parent 7c4b924350
commit a4336cbd43
5 changed files with 94 additions and 10 deletions
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24
internal/hscan/structmap.go
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@@ -84,7 +84,29 @@ func (s StructValue) Scan(key string, value string) error {
if !ok {
return nil
}
if err := field.fn(s.value.Field(field.index), value); err != nil {
v := s.value.Field(field.index)
isPtr := v.Kind() == reflect.Pointer
if isPtr && v.IsNil() {
v.Set(reflect.New(v.Type().Elem()))
}
if !isPtr && v.Type().Name() != "" && v.CanAddr() {
v = v.Addr()
isPtr = true
}
if isPtr && v.Type().NumMethod() > 0 && v.CanInterface() {
if scan, ok := v.Interface().(Scanner); ok {
return scan.ScanRedis(value)
}
}
if isPtr {
v = v.Elem()
}
if err := field.fn(v, value); err != nil {
t := s.value.Type()
return fmt.Errorf("cannot scan redis.result %s into struct field %s.%s of type %s, error-%s",
value, t.Name(), t.Field(field.index).Name, t.Field(field.index).Type, err.Error())