Interface ISelectGroupingAggregate<TKey>

Namespace: FreeSql

Assembly: FreeSql.dll

Syntax

public interface ISelectGroupingAggregate<TKey>

Type Parameters

Name	Description
TKey

Properties

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Key

分组的数据

Declaration

TKey Key { get; set; }

Property Value

Type	Description
TKey

Methods

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Avg<T3>(T3)

平均值

Declaration

decimal Avg<T3>(T3 column)

Parameters

Type	Name	Description
T3	column

Returns

Type	Description
System.Decimal

Type Parameters

Name	Description
T3

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Count()

记录总数

Declaration

int Count()

Returns

Type	Description
System.Int32

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Count<T3>(T3)

Declaration

int Count<T3>(T3 column)

Parameters

Type	Name	Description
T3	column

Returns

Type	Description
System.Int32

Type Parameters

Name	Description
T3

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Max<T3>(T3)

最大值

Declaration

T3 Max<T3>(T3 column)

Parameters

Type	Name	Description
T3	column

Returns

Type	Description
T3

Type Parameters

Name	Description
T3

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Min<T3>(T3)

最小值

Declaration

T3 Min<T3>(T3 column)

Parameters

Type	Name	Description
T3	column

Returns

Type	Description
T3

Type Parameters

Name	Description
T3

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Sum<T3>(T3)

求和

Declaration

decimal Sum<T3>(T3 column)

Parameters

Type	Name	Description
T3	column

Returns

Type	Description
System.Decimal

Type Parameters

Name	Description
T3