Answers for "join right linq"

SQL
2

linq join

var id = 1;
var query =
   from post in database.Posts
   join meta in database.Post_Metas on post.ID equals meta.Post_ID
   where post.ID == id
   select new { Post = post, Meta = meta };
Posted by: Guest on April-08-2020
0

linq left join

IQueryable<Job> jobs = (from j in _db.Jobs

                join jt in _db.JobTranslators on j.Id equals jt.JobId into jts
                from jtResult in jts.DefaultIfEmpty()

                join jr in _db.JobRevisors on jtResult.Id equals jr.JobId into jrs
                from jrResult in jrs.DefaultIfEmpty()


                join u in _db.Users on jtResult.UserId equals u.Id into jtU
                from jtUResult in jtU.DefaultIfEmpty()

                where jtUResult.Id == userId

                orderby j.Id

                select j).Concat(
                from j in _db.Jobs

                join jt in _db.JobTranslators on j.Id equals jt.JobId into jts
                from jtResult in jts.DefaultIfEmpty()

                join jr in _db.JobRevisors on jtResult.Id equals jr.JobId into jrs
                from jrResult in jrs.DefaultIfEmpty()

                join u in _db.Users on jrResult.UserId equals u.Id into jrU
                from jrUResult in jrU.DefaultIfEmpty()

                where jtUResult.Id == userId

                orderby j.Id

                select j
                ).Distinct()
Posted by: Guest on July-20-2021

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