gorm - Query many-to-many with createCriteria in Grails -


how query many-to-many using createcriteria? here models,

class role {     string name     static hasmany = [users: user] } class user {     string name     string email }

and have 3 tables generated gorm in database,

role              role_user                  user  ---------------   -------------------------  --------------------------------- |id  |name    |   |role_users_id |user_id |  |id |name     |email            | ---------------   -------------------------  --------------------------------- |1   |owner   |   |1             |1       |  |1  |harry    |harry@mail.com   | |2   |designer|   |2             |2       |  |2  |hermione |hermione@mail.com| |3   |cleaner |   |3             |3       |  |3  |ron      |ron@mail.com     | ---------------   -------------------------  ---------------------------------

i want users 'owner' , 'designer' , have use createcriteria because going use pagination.

using relationships it's hard query based on user table can want following: 

list<user> users = []  role.withcriteria {      or {         eq( "name", "owner")        eq( "name", "designer")       } }.each { users += it.users }

if willing change schema , add role role user, can following: 

list<user> users = user.createcriteria().list() {      role {         eq( "name", "owner")        eq( "name", "designer")      } }

fyi syntax of createcriteria same withcriteria.


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