ptitcoutu opened a new issue, #14396:
URL: https://github.com/apache/grails-core/issues/14396
When I change an embedded object to another instance of the same class but
with some fields which have no values, those fields are not updated.
For example with a class Position and a field address with several fields as
described below :
```groovy
class Position {
Address address
static embedded = ['address']
static constraints = {
address nullable: true
}
}
class Address {
String streetAddress1
String streetAddress2
String streetAddress3
String postalCode
String city
CountryCode countryCode
String formattedAddress
static mapping = {
// No versioning, address is only a embedded object
version false
}
}
```
If I have a position with an address with city = Paris and country = FR,
when I want to update the position and I use et new address with just country =
ES in mongodb I see an address with city = Paris and country = ES.
I should have an address with just country = ES and no city.
When I try to debug my application I see that the
org.grails.datastore.mapping.mongo.engine.codecs.PersistentEntityCodec
doesn't manage correctly the embedded use case because encodeEmbeddedUpdate
call encodeUpdate with a value but without the embedded set to true. This issue
cause the property with null value to be ignored instead of being set to null.
**Workaround** : to ensure the correct behavior of the udpate I changed my
service to markDirty all the properties of my address class. It's no really
cleaned but I didn't any other solution.
**Context** :
Grails : 4.0.0
GORM : 7.0.0.RELEASE
Groovy : 2.5.6
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