I've come across and issue where when trying to convert a Gorm Model, which has a field of gorm.io/datatypes/JSON, and a value similar to ["a", "b", "c"].
It looks as though the assignment of the fieldType variable on line 1310 of mapstructure.go using reflection is incorrectly returning an integer type, and not a string. Given the ability to have json arrays with [1, "2"] - it might be better just to allow for a an interface{} when looking at arrays/json?
The resultant output is
2022/10/07 10:49:49 Unable to decode MyObject object: 5 error(s) decoding:
* 'my_field[0]' expected type 'uint8', got unconvertible type 'string', value: 'a'
* 'my_field[1]' expected type 'uint8', got unconvertible type 'string', value: 'b'
* 'my_field[2]' expected type 'uint8', got unconvertible type 'string', value: 'c'
Example Gorm Model
type Video struct {
ID uint `gorm:"primaryKey; type:bigint; not null;" json:"id"`
MyField datatypes.JSON `gorm:"type:jsonb;default:'[]';" json:"my_field" mapstructure:"my_field"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
Hello,
I've come across and issue where when trying to convert a Gorm Model, which has a field of
gorm.io/datatypes/JSON, and a value similar to["a", "b", "c"].It looks as though the assignment of the fieldType variable on line 1310 of
mapstructure.gousing reflection is incorrectly returning an integer type, and not a string. Given the ability to have json arrays with [1, "2"] - it might be better just to allow for a an interface{} when looking at arrays/json?The resultant output is
Example Gorm Model
All the best, Ally