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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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8
FreeSql/Interface/Curd/ISelect/ISelect1.cs
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@ -20,6 +20,14 @@ namespace FreeSql {
/// <returns></returns>
string ToSql<TReturn>(Expression<Func<T1, TReturn>> select);
/// <summary>
/// 执行SQL查询，返回指定字段的聚合结果
/// </summary>
/// <typeparam name="TReturn"></typeparam>
/// <param name="select"></param>
/// <returns></returns>
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, TReturn>> select);
/// <summary>
/// 求和
/// </summary>

3
FreeSql/Interface/Curd/ISelect/ISelect10.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, ISelectGroupingAggregate<T6>, ISelectGroupingAggregate<T7>, ISelectGroupingAggregate<T8>, ISelectGroupingAggregate<T9>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TMember>> column);

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);

3
FreeSql/Interface/Curd/ISelect/ISelect4.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4> : ISelect0<ISelect<T1, T2, T3, T4>, T1> where T1 : class where T2 : class where T3 : class where T4 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, TMember>> column);

3
FreeSql/Interface/Curd/ISelect/ISelect5.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5> : ISelect0<ISelect<T1, T2, T3, T4, T5>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, TMember>> column);

3
FreeSql/Interface/Curd/ISelect/ISelect6.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5, T6> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, ISelectGroupingAggregate<T6>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, TMember>> column);

3
FreeSql/Interface/Curd/ISelect/ISelect7.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5, T6, T7> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, ISelectGroupingAggregate<T6>, ISelectGroupingAggregate<T7>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TMember>> column);

3
FreeSql/Interface/Curd/ISelect/ISelect8.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, ISelectGroupingAggregate<T6>, ISelectGroupingAggregate<T7>, ISelectGroupingAggregate<T8>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TMember>> column);

3
FreeSql/Interface/Curd/ISelect/ISelect9.cs
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@ -6,6 +6,9 @@ namespace FreeSql {
public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class {
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, ISelectGroupingAggregate<T4>, ISelectGroupingAggregate<T5>, ISelectGroupingAggregate<T6>, ISelectGroupingAggregate<T7>, ISelectGroupingAggregate<T8>, ISelectGroupingAggregate<T9>, TReturn>> select);
TMember Sum<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TMember>> column);
TMember Min<TMember>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TMember>> column);

30
FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs
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@ -44,11 +44,41 @@ namespace FreeSql {
}
public interface ISelectGroupingAggregate<T1> {
/// <summary>
/// 分组的数据
/// </summary>
T1 Key { get; set; }
/// <summary>
/// 记录总数
/// </summary>
/// <returns></returns>
int Count();
/// <summary>
/// 求和
/// </summary>
/// <typeparam name="T3"></typeparam>
/// <param name="column"></param>
/// <returns></returns>
T3 Sum<T3>(T3 column);
/// <summary>
/// 平均值
/// </summary>
/// <typeparam name="T3"></typeparam>
/// <param name="column"></param>
/// <returns></returns>
T3 Avg<T3>(T3 column);
/// <summary>
/// 最大值
/// </summary>
/// <typeparam name="T3"></typeparam>
/// <param name="column"></param>
/// <returns></returns>
T3 Max<T3>(T3 column);
/// <summary>
/// 最小值
/// </summary>
/// <param name="column"></param>
/// <returns></returns>
T3 Min<T3>(T3 column);
}
}