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Updated 多表查询 (markdown)

2881099
2020-08-08 18:18:34 +08:00
parent 11ff8a3cb6
commit 9ae66b8b19
1 changed files with 6 additions and 5 deletions
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11
多表查询.md

@@ -115,11 +115,12 @@ fsql.Select<Topic>()
v1.8.0+ string.Join + ToList 实现将子查询的多行结果，拼接为一个字符串，如："1,2,3,4" v1.8.0+ string.Join + ToList 实现将子查询的多行结果，拼接为一个字符串，如："1,2,3,4"
```csharp ```csharp
fsql.Select<Topic>() fsql.Select<Topic>().ToList(a => new {
.ToList(a => new { id = a.Id,
id = a.Id, concat = string.Join(",",
concat = string.Join(",", fsql.Select<StringJoin01>().ToList(b => b.Id)) fsql.Select<StringJoin01>()
}); .ToList(b => b.Id))
});
//SELECT a.`Id`, (SELECT group_concat(b.`name` separator ',') //SELECT a.`Id`, (SELECT group_concat(b.`name` separator ',')
// FROM `StringJoin01` b) // FROM `StringJoin01` b)
//FROM `Topic` a //FROM `Topic` a