Open
Description
Document Link
https://gorm.io/docs/preload.html#Embedded-Preloading
Your Question
The examples about nested struct are very confusing and have some errors.
the doc's here:
type Address struct {
CountryID
int Country
Country
}
type Org struct {
PostalAddress Address `gorm:"embedded;embeddedPrefix:postal_address_"`
VisitingAddress Address `gorm:"embedded;embeddedPrefix:visiting_address_"`
Address struct {
ID int
Address
}
}
// Only preload Org.Address and Org.Address.Country
db.Preload("Address.Country") // "Address" is has_one, "Country" is belongs_to (nested association)
>>> Comment is wrong, should be PostalAddress
// Only preload Org.VisitingAddress
db.Preload("PostalAddress.Country") // "PostalAddress.Country" is belongs_to (embedded association)
>>> Comment is wrong, where's the NestedAddress?
// Only preload Org.NestedAddress
db.Preload("NestedAddress.Address.Country") // "NestedAddress.Address.Country" is belongs_to (embedded association)
// All preloaded include "Address" but exclude "Address.Country", because it won't preload nested associations.db.Preload(clause.Associations)
If no "embedded" tag on field "Org.Address"，the generated sql‘s table name will be empty string, please give a more detailed example.