- 优化 子查询 sum/min/max/avg 默认加 isnull 防止为 NULL 情况;

This commit is contained in:
2881099
2022-05-10 09:28:04 +08:00
parent e2d6c890a9
commit 1b84a00696
22 changed files with 178 additions and 187 deletions

View File

@ -871,8 +871,8 @@ limit 0,10", t1);
all = a,
count = (long)select.As("b").Sum(b => b.Id)
});
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, (SELECT sum(b.""Id"")
FROM ""tb_topic22"" b) as6
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, ifnull((SELECT sum(b.""Id"")
FROM ""tb_topic22"" b), 0) as6
FROM ""tb_topic22"" a", subquery);
var subqueryList = select.ToList(a => new
{
@ -888,8 +888,8 @@ FROM ""tb_topic22"" a", subquery);
all = a,
count = select.As("b").Min(b => b.Id)
});
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, (SELECT min(b.""Id"")
FROM ""tb_topic22"" b) as6
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, ifnull((SELECT min(b.""Id"")
FROM ""tb_topic22"" b), 0) as6
FROM ""tb_topic22"" a", subquery);
var subqueryList = select.ToList(a => new
{
@ -905,8 +905,8 @@ FROM ""tb_topic22"" a", subquery);
all = a,
count = select.As("b").Max(b => b.Id)
});
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, (SELECT max(b.""Id"")
FROM ""tb_topic22"" b) as6
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, ifnull((SELECT max(b.""Id"")
FROM ""tb_topic22"" b), 0) as6
FROM ""tb_topic22"" a", subquery);
var subqueryList = select.ToList(a => new
{
@ -922,8 +922,8 @@ FROM ""tb_topic22"" a", subquery);
all = a,
count = select.As("b").Avg(b => b.Id)
});
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, (SELECT avg(b.""Id"")
FROM ""tb_topic22"" b) as6
Assert.Equal(@"SELECT a.""Id"" as1, a.""Clicks"" as2, a.""TypeGuid"" as3, a.""Title"" as4, a.""CreateTime"" as5, ifnull((SELECT avg(b.""Id"")
FROM ""tb_topic22"" b), 0) as6
FROM ""tb_topic22"" a", subquery);
var subqueryList = select.ToList(a => new
{