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

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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
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18
FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs
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@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
@ -950,8 +950,8 @@ 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
{
@ -967,8 +967,8 @@ 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
{
@ -984,8 +984,8 @@ 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
{
@ -1001,8 +1001,8 @@ 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
{