public void Select()
{
var item = new TestQueryableLinqToSql {
name = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSql>().AppendData(item).ExecuteAffrows();
var t1 = (from a in g.sqlite.Select <TestQueryableLinqToSql>().AsQueryable()
where a.id == item.id
select new { a.id }).ToList();
Assert.True(t1.Any());
Assert.Equal(item.id, t1[0].id);
}
public void LeftJoin()
{
var item = new TestQueryableLinqToSql {
name = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSql>().AppendData(item).ExecuteAffrows();
var comment = new TestQueryableLinqToSqlComment {
TestLinqToSqlId = item.id, text = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSqlComment>().AppendData(comment).ExecuteAffrows();
var t1 = (from a in g.sqlite.Select <TestQueryableLinqToSql>().AsQueryable()
join b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable() 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 <TestQueryableLinqToSql>().AsQueryable()
join b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable() 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 <TestQueryableLinqToSql>().AsQueryable()
join b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable() 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);
}
public void From()
{
var item = new TestQueryableLinqToSql {
name = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSql>().AppendData(item).ExecuteAffrows();
var comment = new TestQueryableLinqToSqlComment {
TestLinqToSqlId = item.id, text = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSqlComment>().AppendData(comment).ExecuteAffrows();
var t1 = (from a in g.sqlite.Select <TestQueryableLinqToSql>().AsQueryable()
from b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable()
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 <TestQueryableLinqToSql>().AsQueryable()
from b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable()
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 <TestQueryableLinqToSql>().AsQueryable()
from b in g.sqlite.Select <TestQueryableLinqToSqlComment>().AsQueryable()
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);
}
public void CaseWhen()
{
var item = new TestQueryableLinqToSql {
name = Guid.NewGuid().ToString()
};
g.sqlite.Insert <TestQueryableLinqToSql>().AppendData(item).ExecuteAffrows();
var t1 = (from a in g.sqlite.Select <TestQueryableLinqToSql>().AsQueryable()
where a.id == item.id
select new
{
a.id,
a.name,
testsub = new
{
time = a.click > 10 ? "大于" : "小于或等于"
}
}).ToList();
Assert.True(t1.Any());
Assert.Equal(item.id, t1[0].id);
Assert.Equal("小于或等于", t1[0].testsub.time);
}
