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- 优化未发布的功能 IFreeSql.InsertOrUpdate

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This commit is contained in:
28810
2020-05-23 18:17:54 +08:00
parent 45f06c3025
commit 511d8f909a
26 changed files with 1948 additions and 184 deletions
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8
FreeSql/FreeSql.xml
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@ -2994,6 +2994,13 @@
<param name="database"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.CommonProvider.InsertOrUpdateProvider`1.SplitSourceByIdentityValueIsNull(System.Collections.Generic.List{`0})">
<summary>
如果实体类有自增属性，分成两个 List，有值的Item1 merge，无值的Item2 insert
</summary>
<param name="source"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.CommonProvider.InsertProvider`1.IgnoreCanInsert">
<summary>
AsType, Ctor, ClearData 三处地方需要重新加载
@ -3770,6 +3777,7 @@
Oracle: merge into<para></para>
Sqlite: replace into<para></para>
Dameng: merge into<para></para>
注意：还可以使用 FreeSql.Repository 的 InsertOrUpdate 方法
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>

134
FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs
View File

@ -25,6 +25,7 @@ namespace FreeSql.Internal.CommonProvider
protected DbParameter[] _params;
protected DbTransaction _transaction;
protected DbConnection _connection;
public ColumnInfo IdentityColumn { get; }
public InsertOrUpdateProvider(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
{
@ -33,6 +34,7 @@ namespace FreeSql.Internal.CommonProvider
_commonExpression = commonExpression;
_table = _commonUtils.GetTableByEntity(typeof(T1));
if (_orm.CodeFirst.IsAutoSyncStructure && typeof(T1) != typeof(object)) _orm.CodeFirst.SyncStructure<T1>();
IdentityColumn = _table.Primarys.Where(a => a.Attribute.IsIdentity).FirstOrDefault();
}
protected void ClearData()
@ -130,11 +132,10 @@ namespace FreeSql.Internal.CommonProvider
return this;
}
public void WriteSourceSelectUnionAll(StringBuilder sb)
public void WriteSourceSelectUnionAll(List<T1> source, StringBuilder sb, List<DbParameter> dbParams)
{
var specialParams = new List<DbParameter>();
var didx = 0;
foreach (var d in _source)
foreach (var d in source)
{
if (didx > 0) sb.Append(" \r\nUNION ALL\r\n ");
sb.Append("SELECT ");
@ -147,7 +148,7 @@ namespace FreeSql.Internal.CommonProvider
else
{
object val = col.GetMapValue(d);
sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.Attribute.MapType, val));
sb.Append(_commonUtils.GetNoneParamaterSqlValue(dbParams, col.Attribute.MapType, val));
}
if (didx == 0) sb.Append(" as ").Append(col.Attribute.Name);
++colidx2;
@ -163,11 +164,82 @@ namespace FreeSql.Internal.CommonProvider
}
++didx;
}
if (specialParams.Any()) _params = specialParams.ToArray();
}
byte _SplitSourceByIdentityValueIsNullFlag = 0; //防止重复计算 SplitSource
/// <summary>
/// 如果实体类有自增属性，分成两个 List，有值的Item1 merge，无值的Item2 insert
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public NaviteTuple<List<T1>, List<T1>> SplitSourceByIdentityValueIsNull(List<T1> source)
{
if (_SplitSourceByIdentityValueIsNullFlag == 1) return NaviteTuple.Create(source, new List<T1>());
if (_SplitSourceByIdentityValueIsNullFlag == 2) return NaviteTuple.Create(new List<T1>(), source);
if (IdentityColumn == null) return NaviteTuple.Create(source, new List<T1>());
var ret = NaviteTuple.Create(new List<T1>(), new List<T1>());
foreach (var item in source)
{
if (object.Equals(_orm.GetEntityValueWithPropertyName(_table.Type, item, IdentityColumn.CsName), IdentityColumn.CsType.CreateInstanceGetDefaultValue()))
ret.Item2.Add(item); //自增无值的，记录为直接插入
else
ret.Item1.Add(item);
}
return ret;
}
public abstract string ToSql();
public int ExecuteAffrows()
{
var affrows = 0;
var ss = SplitSourceByIdentityValueIsNull(_source);
try
{
if (_transaction != null)
{
_source = ss.Item1;
_SplitSourceByIdentityValueIsNullFlag = 1;
affrows += this.RawExecuteAffrows();
_source = ss.Item2;
_SplitSourceByIdentityValueIsNullFlag = 2;
affrows += this.RawExecuteAffrows();
}
else
{
using (var conn = _orm.Ado.MasterPool.Get())
{
_transaction = conn.Value.BeginTransaction();
var transBefore = new Aop.TraceBeforeEventArgs("BeginTransaction", null);
_orm.Aop.TraceBeforeHandler?.Invoke(this, transBefore);
try
{
_source = ss.Item1;
_SplitSourceByIdentityValueIsNullFlag = 1;
affrows += this.RawExecuteAffrows();
_source = ss.Item2;
_SplitSourceByIdentityValueIsNullFlag = 2;
affrows += this.RawExecuteAffrows();
_transaction.Commit();
_orm.Aop.TraceAfterHandler?.Invoke(this, new Aop.TraceAfterEventArgs(transBefore, "提交", null));
}
catch (Exception ex)
{
_transaction.Rollback();
_orm.Aop.TraceAfterHandler?.Invoke(this, new Aop.TraceAfterEventArgs(transBefore, "回滚", ex));
throw ex;
}
_transaction = null;
}
}
}
finally
{
_SplitSourceByIdentityValueIsNullFlag = 0;
ClearData();
}
return affrows;
}
public int RawExecuteAffrows()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
@ -193,7 +265,7 @@ namespace FreeSql.Internal.CommonProvider
}
#if net40
#else
async public Task<int> ExecuteAffrowsAsync()
async public Task<int> RawExecuteAffrowsAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
@ -217,6 +289,56 @@ namespace FreeSql.Internal.CommonProvider
}
return affrows;
}
async public Task<int> ExecuteAffrowsAsync()
{
var affrows = 0;
var ss = SplitSourceByIdentityValueIsNull(_source);
try
{
if (_transaction != null)
{
_source = ss.Item1;
_SplitSourceByIdentityValueIsNullFlag = 1;
affrows += await this.RawExecuteAffrowsAsync();
_source = ss.Item2;
_SplitSourceByIdentityValueIsNullFlag = 2;
affrows += await this.RawExecuteAffrowsAsync();
}
else
{
using (var conn = await _orm.Ado.MasterPool.GetAsync())
{
_transaction = conn.Value.BeginTransaction();
var transBefore = new Aop.TraceBeforeEventArgs("BeginTransaction", null);
_orm.Aop.TraceBeforeHandler?.Invoke(this, transBefore);
try
{
_source = ss.Item1;
_SplitSourceByIdentityValueIsNullFlag = 1;
affrows += await this.RawExecuteAffrowsAsync();
_source = ss.Item2;
_SplitSourceByIdentityValueIsNullFlag = 2;
affrows += await this.RawExecuteAffrowsAsync();
_transaction.Commit();
_orm.Aop.TraceAfterHandler?.Invoke(this, new Aop.TraceAfterEventArgs(transBefore, "提交", null));
}
catch (Exception ex)
{
_transaction.Rollback();
_orm.Aop.TraceAfterHandler?.Invoke(this, new Aop.TraceAfterEventArgs(transBefore, "回滚", ex));
throw ex;
}
_transaction = null;
}
}
}
finally
{
_SplitSourceByIdentityValueIsNullFlag = 0;
ClearData();
}
return affrows;
}
#endif
}
}