Beispiel #1
0
        public void From()
        {
            var item = new TestLinqToSql {
                name = Guid.NewGuid().ToString()
            };

            g.sqlite.Insert <TestLinqToSql>().AppendData(item).ExecuteAffrows();
            var comment = new TestLinqToSqlComment {
                TestLinqToSqlId = item.id, text = Guid.NewGuid().ToString()
            };

            g.sqlite.Insert <TestLinqToSqlComment>().AppendData(comment).ExecuteAffrows();

            var t1 = (from a in g.sqlite.Select <TestLinqToSql>()
                      from b in g.sqlite.Select <TestLinqToSqlComment>()
                      where a.id == b.TestLinqToSqlId
                      select a).ToList();

            Assert.True(t1.Any());
            //Assert.Equal(item.id, t1[0].id);

            var t2 = (from a in g.sqlite.Select <TestLinqToSql>()
                      from b in g.sqlite.Select <TestLinqToSqlComment>()
                      where a.id == b.TestLinqToSqlId
                      select new { a.id, bid = b.id }).ToList();

            Assert.True(t2.Any());
            //Assert.Equal(item.id, t2[0].id);
            //Assert.Equal(comment.id, t2[0].bid);

            var t3 = (from a in g.sqlite.Select <TestLinqToSql>()
                      from b in g.sqlite.Select <TestLinqToSqlComment>()
                      where a.id == b.TestLinqToSqlId
                      where a.id == item.id
                      select new { a.id, bid = b.id }).ToList();

            Assert.True(t3.Any());
            Assert.Equal(item.id, t3[0].id);
            Assert.Equal(comment.id, t3[0].bid);
        }
Beispiel #2
0
        public void LeftJoin()
        {
            var item = new TestLinqToSql {
                name = Guid.NewGuid().ToString()
            };

            g.sqlite.Insert <TestLinqToSql>().AppendData(item).ExecuteAffrows();
            var comment = new TestLinqToSqlComment {
                TestLinqToSqlId = item.id, text = Guid.NewGuid().ToString()
            };

            g.sqlite.Insert <TestLinqToSqlComment>().AppendData(comment).ExecuteAffrows();

            var t1 = (from a in g.sqlite.Select <TestLinqToSql>()
                      join b in g.sqlite.Select <TestLinqToSqlComment>() on a.id equals b.TestLinqToSqlId into temp
                      from tc in temp.DefaultIfEmpty()
                      select a).ToList();

            Assert.True(t1.Any());
            //Assert.Equal(item.id, t1[0].id);

            var t2 = (from a in g.sqlite.Select <TestLinqToSql>()
                      join b in g.sqlite.Select <TestLinqToSqlComment>() on a.id equals b.TestLinqToSqlId into temp
                      from tc in temp.DefaultIfEmpty()
                      select new { a.id, bid = tc.id }).ToList();

            Assert.True(t2.Any());
            //Assert.Equal(item.id, t2[0].id);
            //Assert.Equal(comment.id, t2[0].bid);

            var t3 = (from a in g.sqlite.Select <TestLinqToSql>()
                      join b in g.sqlite.Select <TestLinqToSqlComment>() on a.id equals b.TestLinqToSqlId into temp
                      from tc in temp.DefaultIfEmpty()
                      where a.id == item.id
                      select new { a.id, bid = tc.id }).ToList();

            Assert.True(t3.Any());
            Assert.Equal(item.id, t3[0].id);
            Assert.Equal(comment.id, t3[0].bid);
        }