I have a non-Grails specific question, but I intend to implement it with it. Anyway. I would like to ha开发者_开发问答ve a One-to-Many domain class relationship, but I would like the Many part to be o
I\'m trying to select all records from table A which are related to X certain records in table B (m:n relationship).
I am trying to run a workflow on the creation of a 1:n relationship. I have a Contact entity, and PortalRole entity. When I associate the PortalRole with the contact I would like to trigger a workflo
here are some question after I have looked at wikipedia: Association: \"Association represents the static relationship shared among the objects of two classes.\", does this mean aggregation and compo
I\'m having the case where I have the database of items. Each item can have multiple locations. Now 2 questions:
I need your help to figure out how to make a query. My idea was to build a credit system to reward users.
I have two tables: TABLE NAME: TABLE_A A_ID A_CODE A_DESC TABLE NAME: TABLE_B B_ID B_TABLE_A_PARENT_ID B_TABLE_A_CHILD_ID
I am having some trouble finding a good answer to my question on rails relationship creation. If I already ran the initial migration for my user model and my comment model Without declaring a relati
We have the following mapping: @Entity public class A { private B b; @OneToOne public B getB() { return b; }
I am using JPA 2 with following jars on class path [INFO] +- org.aspectj:aspectjrt:jar:1.6.9:compile [INFO] +- org.aspectj:aspectjweaver:jar:1.6.9:compile
加载中,请稍侯......