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- 增加 IInsert.ToDataTable 方法，为 BulkCopy 操作提供数据，该文件处理了(表名、字段名、类型）映射和忽略列；

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28810
2019-12-20 21:53:44 +08:00
parent ab1d0a2cb5
commit c268970c71
4 changed files with 173 additions and 0 deletions
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131
FreeSql/FreeSql.xml
View File

@@ -2178,6 +2178,137 @@
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
</summary>
<param name="readerHander"></param>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.String,System.Object)">
<summary>
查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object)">
<summary>
查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object)">
<summary>
查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object)">
<summary>
查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object)">
<summary>
在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object)">
<summary>
在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })
</summary>
<typeparam name="T"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T1"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object)">
<summary>
执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new { age = 25 })
</summary>
<typeparam name="T1"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="P:FreeSql.IAop.ParseExpression">
<summary>
可自定义解析表达式

10
FreeSql/Interface/Curd/IInsert.cs
View File

@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Linq.Expressions;
using System.Threading.Tasks;
@@ -115,6 +116,15 @@ namespace FreeSql
/// <returns></returns>
List<T1> ExecuteInserted();
/// <summary>
/// 返回 DataTable 以便做 BulkCopy 数据做准备<para></para>
/// 此方法会处理：<para></para>
/// 类型、表名、字段名映射<para></para>
/// IgnoreColumns、InsertColumns
/// </summary>
/// <returns></returns>
DataTable ToDataTable();
#if net40
#else
Task<int> ExecuteAffrowsAsync();

25
FreeSql/Internal/CommonProvider/InsertProvider.cs
View File

@@ -464,6 +464,31 @@ namespace FreeSql.Internal.CommonProvider
_params = specialParams.ToArray();
return sb.ToString();
}
public DataTable ToDataTable()
{
var dt = new DataTable();
dt.TableName = TableRuleInvoke();
foreach (var col in _table.ColumnsByPosition)
{
if (col.Attribute.IsIdentity && _insertIdentity == false) continue;
if (col.Attribute.IsIdentity == false && _ignore.ContainsKey(col.Attribute.Name)) continue;
dt.Columns.Add(col.Attribute.Name, col.Attribute.MapType);
}
foreach (var d in _source)
{
var row = new object[dt.Columns.Count];
var rowIndex = 0;
foreach (var col in _table.ColumnsByPosition)
{
if (col.Attribute.IsIdentity && _insertIdentity == false) continue;
if (col.Attribute.IsIdentity == false && _ignore.ContainsKey(col.Attribute.Name)) continue;
row[rowIndex++] = col.GetMapValue(d);
}
dt.Rows.Add(row);
}
return dt;
}
}
}