tk/FreeSql
1
0
Fork 0
mirror of https://github.com/nsnail/FreeSql.git synced 2025-11-04 17:20:49 +08:00
Code Issues Packages Projects Releases Wiki Activity

- 完善 ToChunk 分块加载查询，应用到 ISelect`1..10 中；

Browse Source
This commit is contained in:
28810
2020-08-17 08:58:34 +08:00
parent 4acbc712d6
commit 7dd8eacce3
25 changed files with 1084 additions and 982 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
FreeSql/Interface/Curd/ISelect/ISelect1.cs
View File

@@ -1,4 +1,5 @@
using System;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
@@ -56,6 +57,14 @@ namespace FreeSql
/// <typeparam name="TDto"></typeparam>
/// <returns></returns>
List<TDto> ToList<TDto>();
/// <summary>
/// 执行SQL查询，分块返回数据，可减少内存开销。比如读取10万条数据，每次返回100条处理。
/// </summary>
/// <typeparam name="TReturn">返回类型</typeparam>
/// <param name="select">选择列</param>
/// <param name="size">数据块的大小</param>
/// <param name="done">处理数据块</param>
void ToChunk<TReturn>(Expression<Func<T1, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
/// <summary>
/// 执行SQL查询，返回指定字段的记录的第一条记录，记录不存在时返回 TReturn 默认值

1
FreeSql/Interface/Curd/ISelect/ISelect10.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect2.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect3.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect4.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect5.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect6.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect7.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect8.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);

1
FreeSql/Interface/Curd/ISelect/ISelect9.cs
View File

@@ -32,6 +32,7 @@ namespace FreeSql
DataTable ToDataTable<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
List<TDto> ToList<TDto>();
void ToChunk<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done);
TReturn ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
TReturn First<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);