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- 增加 HavingIf 方法；#1095

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2881099 2022-05-06 12:40:06 +08:00
parent 41432cde0a
commit ae1b053189
2 changed files with 9 additions and 1 deletions
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9
FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs
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@ -19,11 +19,18 @@ namespace FreeSql
#endif #endif
/// <summary> /// <summary>
/// 按聚合条件过滤，Where(a => a.Count() > 10) /// 按聚合条件过滤，Having(a => a.Count() > 10)
/// </summary> /// </summary>
/// <param name="exp">lambda表达式</param> /// <param name="exp">lambda表达式</param>
/// <returns></returns> /// <returns></returns>
ISelectGrouping<TKey, TValue> Having(Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp); ISelectGrouping<TKey, TValue> Having(Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp);
/// <summary>
/// 按聚合条件过滤，HavingIf(true, a => a.Count() > 10)
/// </summary>
/// <param name="condition">true 时生效</param>
/// <param name="exp">lambda表达式</param>
/// <returns></returns>
ISelectGrouping<TKey, TValue> HavingIf(bool condition, Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp);
/// <summary> /// <summary>
/// 按列排序，OrderBy(a => a.Time) /// 按列排序，OrderBy(a => a.Time)

1
FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs
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@ -226,6 +226,7 @@ namespace FreeSql.Internal.CommonProvider
return this; return this;
} }
public ISelectGrouping<TKey, TValue> HavingIf(bool condition, Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp) => condition ? Having(exp) : this;
public ISelectGrouping<TKey, TValue> Having(Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp) public ISelectGrouping<TKey, TValue> Having(Expression<Func<ISelectGroupingAggregate<TKey, TValue>, bool>> exp)
{ {
_lambdaParameter = exp?.Parameters[0]; _lambdaParameter = exp?.Parameters[0];