- 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

@ -1070,8 +1070,8 @@ 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_topic` 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_topic` b), 0) as6
FROM `tb_topic` a", subquery);
var subqueryList = select.ToList(a => new
{
@ -1087,8 +1087,8 @@ FROM `tb_topic` 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_topic` 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_topic` b), 0) as6
FROM `tb_topic` a", subquery);
var subqueryList = select.ToList(a => new
{
@ -1104,8 +1104,8 @@ FROM `tb_topic` 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_topic` 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_topic` b), 0) as6
FROM `tb_topic` a", subquery);
var subqueryList = select.ToList(a => new
{
@ -1121,8 +1121,8 @@ FROM `tb_topic` 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_topic` 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_topic` b), 0) as6
FROM `tb_topic` a", subquery);
var subqueryList = select.ToList(a => new
{