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完善聚合查询语法

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28810
2018-12-27 20:15:24 +08:00
parent c35c69cf20
commit 8d55cccc9a
22 changed files with 122 additions and 9 deletions
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3
FreeSql/Interface/Curd/ISelect/ISelect3.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3> : ISelect0<ISelect<T1, T2, T3>, T1> where T1 : class where T2 : class where T3 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, TMember>> column);