chka opened a new issue, #14405:
URL: https://github.com/apache/grails-core/issues/14405
I have the following self referencing domain class:
package com.test
import org.bson.types.ObjectId
class Category {
ObjectId id
String name
Category parent = null
static hasMany = [childs: Category]
static mappedBy = [ childs: 'childs' ]
}
Then, I create 2 "Category" objects, where the 2nd object becomes child of
the first, like this:
def c1 = Category.findByName('category1') ?: new Category(name:
'category1').save(failOnError: true)
def c2 = Category.findByName('category2') ?: new Category(name:
'category2', parent: c1).save(failOnError: true)
c1.addToChilds(c2).save(failOnError: true)
The outcome, is not what I expect and it appears that both objects become
the child of the another:
{
"_id" : ObjectId("5b8d0ba306425e3ee4ff5cf9"),
"name" : "category1",
"version" : NumberLong(0),
"childs" : [
ObjectId("5b8d0ba306425e3ee4ff5cfa")
]
}
{
"_id" : ObjectId("5b8d0ba306425e3ee4ff5cfa"),
"name" : "category2",
"version" : NumberLong(0),
"childs" : [
ObjectId("5b8d0ba306425e3ee4ff5cf9")
],
"parent" : ObjectId("5b8d0ba306425e3ee4ff5cf9")
}
And while I can simply ignore children that are also parents, why I get this
odd behavior?
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