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- 增加 Oracle/达梦 BulkCopy 支持；

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This commit is contained in:
2881099
2020-11-18 09:42:09 +08:00
parent 2947572f05
commit d3fd022000
10 changed files with 239 additions and 12 deletions
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4
Providers/FreeSql.Provider.Oracle/Curd/OracleInsert.cs
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@ -20,6 +20,10 @@ namespace FreeSql.Oracle.Curd
{
}
internal IFreeSql InternalOrm => _orm as IFreeSql;
internal DbConnection InternalConnection => _connection;
internal DbTransaction InternalTransaction => _transaction;
public override int ExecuteAffrows() => base.SplitExecuteAffrows(_batchValuesLimit > 0 ? _batchValuesLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 999);
public override long ExecuteIdentity() => base.SplitExecuteIdentity(_batchValuesLimit > 0 ? _batchValuesLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 999);
public override List<T1> ExecuteInserted() => base.SplitExecuteInserted(_batchValuesLimit > 0 ? _batchValuesLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 999);

4
Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
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@ -26,11 +26,11 @@
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
<PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.91" />
<PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.100" />
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'net45' or '$(TargetFramework)' == 'net40'">
<PackageReference Include="Oracle.ManagedDataAccess" Version="19.9.0" />
<PackageReference Include="Oracle.ManagedDataAccess" Version="19.10.0" />
</ItemGroup>
<ItemGroup>

95
Providers/FreeSql.Provider.Oracle/OracleExtensions.cs
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@ -1,4 +1,8 @@
public static partial class FreeSqlOracleGlobalExtensions
using FreeSql;
using Oracle.ManagedDataAccess.Client;
using System;
public static partial class FreeSqlOracleGlobalExtensions
{
/// <summary>
@ -9,4 +13,93 @@
/// <returns></returns>
public static string FormatOracle(this string that, params object[] args) => _oracleAdo.Addslashes(that, args);
static FreeSql.Oracle.OracleAdo _oracleAdo = new FreeSql.Oracle.OracleAdo();
#region ExecuteOracleBulkCopy
/// <summary>
/// Oracle CopyBulk 批量插入功能<para></para>
/// 使用 IgnoreColumns/InsertColumns 设置忽略/指定导入的列<para></para>
/// 使用 WithConnection/WithTransaction 传入连接/事务对象<para></para>
/// 提示：若本方法不能满足，请使用 IInsert&lt;T&gt;.ToDataTable 方法得到 DataTable 对象后，自行处理。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="that"></param>
/// <param name="copyOptions"></param>
/// <param name="batchSize"></param>
/// <param name="bulkCopyTimeout"></param>
public static void ExecuteOracleBulkCopy<T>(this IInsert<T> that, OracleBulkCopyOptions copyOptions = OracleBulkCopyOptions.Default, int? batchSize = null, int? bulkCopyTimeout = null) where T : class
{
var insert = that as FreeSql.Oracle.Curd.OracleInsert<T>;
if (insert == null) throw new Exception("ExecuteOracleBulkCopy 是 FreeSql.Provider.Oracle 特有的功能");
var dt = that.ToDataTable();
if (dt.Rows.Count == 0) return;
Action<OracleBulkCopy> writeToServer = bulkCopy =>
{
if (batchSize.HasValue) bulkCopy.BatchSize = batchSize.Value;
if (bulkCopyTimeout.HasValue) bulkCopy.BulkCopyTimeout = bulkCopyTimeout.Value;
bulkCopy.DestinationTableName = dt.TableName;
for (int i = 0; i < dt.Columns.Count; i++)
bulkCopy.ColumnMappings.Add(dt.Columns[i].ColumnName, dt.Columns[i].ColumnName);
bulkCopy.WriteToServer(dt);
};
try
{
if (insert.InternalConnection == null && insert.InternalTransaction == null)
{
using (var conn = insert.InternalOrm.Ado.MasterPool.Get())
{
using (var bulkCopy = copyOptions == OracleBulkCopyOptions.Default ?
new OracleBulkCopy(conn.Value as OracleConnection) :
new OracleBulkCopy(conn.Value as OracleConnection, copyOptions))
{
writeToServer(bulkCopy);
}
}
}
else if (insert.InternalTransaction != null)
{
using (var bulkCopy = copyOptions == OracleBulkCopyOptions.Default ?
new OracleBulkCopy(insert.InternalTransaction.Connection as OracleConnection) :
new OracleBulkCopy(insert.InternalTransaction.Connection as OracleConnection, copyOptions))
{
writeToServer(bulkCopy);
}
}
else if (insert.InternalConnection != null)
{
var conn = insert.InternalConnection as OracleConnection;
var isNotOpen = false;
if (conn.State != System.Data.ConnectionState.Open)
{
isNotOpen = true;
conn.Open();
}
try
{
using (var bulkCopy = copyOptions == OracleBulkCopyOptions.Default ?
new OracleBulkCopy(conn) :
new OracleBulkCopy(conn, copyOptions))
{
writeToServer(bulkCopy);
}
}
finally
{
if (isNotOpen)
conn.Close();
}
}
else
{
throw new NotImplementedException("ExecuteOracleBulkCopy 未实现错误，请反馈给作者");
}
}
finally
{
dt.Clear();
}
}
#endregion
}