mirror of
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40 lines
2.1 KiB
C#
40 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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namespace FreeSql {
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public interface ISelect<T1, T2, T3> : ISelect0<ISelect<T1, T2, T3>, T1> where T1 : class where T2 : class where T3 : class {
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bool Any(Expression<Func<T1, T2, T3, bool>> exp);
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Task<bool> AnyAsync(Expression<Func<T1, T2, T3, bool>> exp);
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DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
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Task<DataTable> ToDataTableAsync<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
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List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
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Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
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string ToSql<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
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TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, TReturn>> select);
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Task<TReturn> ToAggregateAsync<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, ISelectGroupingAggregate<T2>, ISelectGroupingAggregate<T3>, TReturn>> select);
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TMember Sum<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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Task<TMember> SumAsync<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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TMember Min<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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Task<TMember> MinAsync<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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TMember Max<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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Task<TMember> MaxAsync<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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TMember Avg<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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Task<TMember> AvgAsync<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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ISelect<T1, T2, T3> Where(Expression<Func<T1, T2, T3, bool>> exp);
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ISelect<T1, T2, T3> WhereIf(bool condition, Expression<Func<T1, T2, T3, bool>> exp);
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ISelectGrouping<TKey, (T1, T2, T3)> GroupBy<TKey>(Expression<Func<T1, T2, T3, TKey>> exp);
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ISelect<T1, T2, T3> OrderBy<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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ISelect<T1, T2, T3> OrderByDescending<TMember>(Expression<Func<T1, T2, T3, TMember>> column);
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}
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} |