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sunkaixuan 2022-04-21 17:34:52 +08:00
parent c3b7a169c8
commit 2cb2520b4e
1 changed files with 5 additions and 1 deletions
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6
Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
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@ -1332,6 +1332,10 @@ namespace SqlSugar
} }
public List<T> SetContext<ParameterT>(Expression<Func<T, object>> thisFiled, Expression<Func<object>> mappingFiled, ParameterT parameter) public List<T> SetContext<ParameterT>(Expression<Func<T, object>> thisFiled, Expression<Func<object>> mappingFiled, ParameterT parameter)
{ {
if (parameter == null)
{
return new List<T>();
}
List<T> result = new List<T>(); List<T> result = new List<T>();
var entity = this.Context.EntityMaintenance.GetEntityInfo<ParameterT>(); var entity = this.Context.EntityMaintenance.GetEntityInfo<ParameterT>();
var queryableContext = this.Context.TempItems["Queryable_To_Context"] as MapperContext<ParameterT>; var queryableContext = this.Context.TempItems["Queryable_To_Context"] as MapperContext<ParameterT>;
@ -1346,7 +1350,7 @@ namespace SqlSugar
pkName = ((mappingFiled as LambdaExpression).Body as MemberExpression).Member.Name; pkName = ((mappingFiled as LambdaExpression).Body as MemberExpression).Member.Name;
} }
var key = thisFiled.ToString() +typeof(ParameterT).FullName + typeof(T).FullName; var key = thisFiled.ToString() +typeof(ParameterT).FullName + typeof(T).FullName;
var ids = list.Select(it => it.GetType().GetProperty(pkName).GetValue(it)).ToArray(); var ids = list.Where(it=>it!=null).Select(it => it.GetType().GetProperty(pkName).GetValue(it)).Distinct().ToArray();
if (queryableContext.TempChildLists == null) if (queryableContext.TempChildLists == null)
queryableContext.TempChildLists = new Dictionary<string, object>(); queryableContext.TempChildLists = new Dictionary<string, object>();
if (list != null && queryableContext.TempChildLists.ContainsKey(key)) if (list != null && queryableContext.TempChildLists.ContainsKey(key))