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- 增加 ISelect.ToChunk 实现分块查询数据，减少数据过大时内存占用；

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28810
2019-09-10 16:01:01 +08:00
parent e0a23accb0
commit 564e1951d8
4 changed files with 99 additions and 0 deletions
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8
FreeSql/FreeSql.xml
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@@ -787,6 +787,14 @@
<param name="includeNestedMembers">false: 返回 2级 LeftJoin/InnerJoin/RightJoin 对象；true: 返回所有 LeftJoin/InnerJoin/RightJoin 的导航数据</param>
<returns></returns>
</member>
<member name="M:FreeSql.ISelect0`2.ToChunk(System.Int32,System.Action{System.Collections.Generic.List{`1}},System.Boolean)">
<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>
<param name="size">数据块的大小</param>
<param name="done">处理数据块</param>
<param name="includeNestedMembers">false: 返回 2级 LeftJoin/InnerJoin/RightJoin 对象；true: 返回所有 LeftJoin/InnerJoin/RightJoin 的导航数据</param>
</member>
<member name="M:FreeSql.ISelect0`2.ToList``1(System.String)">
<summary>
执行SQL查询，返回 field 指定字段的记录，并以元组或基础类型(int,string,long)接收，记录不存在时返回 Count 为 0 的列表