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db.Queryable.Includes.Select.ToList

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sunkaixuan 2023-05-04 08:44:11 +08:00
parent aa88be7e93
commit 7c5bdeeb9d
1 changed files with 64 additions and 44 deletions
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108
Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
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@ -572,43 +572,53 @@ namespace SqlSugar
var navInfo = this.QueryBuilder.AppendNavInfo;
var entityColumns = this.EntityInfo.Columns;
var pkColumns = entityColumns.Where(it => it.IsPrimarykey);
foreach (var item in pkColumns)
{
navInfo.AppendProperties.Add(item.PropertyName,item.DbColumnName);
}
AddAppendProperties(navManages, navInfo, entityColumns, pkColumns);
AddMappingNavProperties(dic, navInfo, entityColumns);
}
private static void AddMappingNavProperties(Dictionary<string, Expression> dic, AppendNavInfo navInfo, List<EntityColumnInfo> entityColumns)
{
foreach (var item in dic)
{
var value=item.Value;
var value = item.Value;
var expressionTree = new ExpressionTreeVisitor().GetExpressions(value);
if (expressionTree.Any())
{
var name = ExpressionTool.GetMemberName(expressionTree.First());
if (name !=null&& entityColumns.Any(it=>it.Navigat!=null&&it.PropertyName==name))
if (name != null && entityColumns.Any(it => it.Navigat != null && it.PropertyName == name))
{
var mappingNavColumnInfo = new MappingNavColumnInfo()
var mappingNavColumnInfo = new MappingNavColumnInfo()
{
ExpressionList= expressionTree ,
Name=name
ExpressionList = expressionTree,
Name = name
};
navInfo.MappingNavProperties.Add(item.Key,mappingNavColumnInfo);
navInfo.MappingNavProperties.Add(item.Key, mappingNavColumnInfo);
}
}
}
}
private static void AddAppendProperties(IEnumerable<NavigatManager<T>> navManages, AppendNavInfo navInfo, List<EntityColumnInfo> entityColumns, IEnumerable<EntityColumnInfo> pkColumns)
{
foreach (var item in pkColumns)
{
navInfo.AppendProperties.Add(item.PropertyName, item.DbColumnName);
}
foreach (var item in navManages)
{
var navName =ExpressionTool.GetMemberName(item.Expressions.First());
var navColumn= entityColumns.Where(it=>it.IsPrimarykey==false).Where(it=>it.Navigat!=null).FirstOrDefault(it => it.PropertyName == navName);
if (navColumn != null&& navColumn.Navigat.NavigatType!=NavigateType.ManyToMany)
var navName = ExpressionTool.GetMemberName(item.Expressions.First());
var navColumn = entityColumns.Where(it => it.IsPrimarykey == false).Where(it => it.Navigat != null).FirstOrDefault(it => it.PropertyName == navName);
if (navColumn != null && navColumn.Navigat.NavigatType != NavigateType.ManyToMany)
{
var name1 = navColumn.Navigat.Name;
var name2 = navColumn.Navigat.Name2;
var name1Column = entityColumns.FirstOrDefault(it => it.PropertyName == name1);
var name2Column = entityColumns.FirstOrDefault(it => it.PropertyName == name1);
if (name1Column!=null)
if (name1Column != null)
{
if(!navInfo.AppendProperties.ContainsKey(name1Column.PropertyName))
navInfo.AppendProperties.Add(name1Column.PropertyName,name1Column.DbColumnName);
if (!navInfo.AppendProperties.ContainsKey(name1Column.PropertyName))
navInfo.AppendProperties.Add(name1Column.PropertyName, name1Column.DbColumnName);
}
if (name2Column != null)
{
@ -631,34 +641,9 @@ namespace SqlSugar
if (this.QueryBuilder.Includes != null)
{
var managers = (this.QueryBuilder.Includes as List<object>);
if (this.QueryBuilder.SelectValue.HasValue() && this.QueryBuilder.NoCheckInclude == false)
if (IsSelectNavQuery())
{
foreach (var it in managers)
{
var manager =it;
var p= it.GetType().GetProperty("RootList");
var tType = it.GetType().GenericTypeArguments[0];
var columns = this.Context.EntityMaintenance.GetEntityInfo(tType).Columns;
var listType = typeof(List<>).MakeGenericType(tType);
var outList = Activator.CreateInstance(listType);
p.SetValue(it, outList);
var index = 0;
foreach (var item in result)
{
var addItem = Activator.CreateInstance(tType);
var appendResult=this.QueryBuilder.AppendNavInfo.Result[index];
foreach (var kv in appendResult.result)
{
var propertyName=kv.Key.Replace("SugarNav_", "");
var propertyInfo = columns.First(i => i.PropertyName == propertyName).PropertyInfo;
propertyInfo.SetValue(addItem, kv.Value);
}
(outList as IList).Add(addItem);
index++;
}
it.GetType().GetMethod("Execute").Invoke(it,null);
}
SelectNavQuery(result, managers);
}
else
{
@ -671,6 +656,41 @@ namespace SqlSugar
}
}
}
private void SelectNavQuery<TResult>(List<TResult> result, List<object> managers)
{
foreach (var it in managers)
{
var manager = it;
var p = it.GetType().GetProperty("RootList");
var tType = it.GetType().GenericTypeArguments[0];
var columns = this.Context.EntityMaintenance.GetEntityInfo(tType).Columns;
var listType = typeof(List<>).MakeGenericType(tType);
var outList = Activator.CreateInstance(listType);
p.SetValue(it, outList);
var index = 0;
foreach (var item in result)
{
var addItem = Activator.CreateInstance(tType);
var appendResult = this.QueryBuilder.AppendNavInfo.Result[index];
foreach (var kv in appendResult.result)
{
var propertyName = kv.Key.Replace("SugarNav_", "");
var propertyInfo = columns.First(i => i.PropertyName == propertyName).PropertyInfo;
propertyInfo.SetValue(addItem, kv.Value);
}
(outList as IList).Add(addItem);
index++;
}
it.GetType().GetMethod("Execute").Invoke(it, null);
}
}
private bool IsSelectNavQuery()
{
return this.QueryBuilder.SelectValue.HasValue() && this.QueryBuilder.NoCheckInclude == false;
}
protected void _Mapper<TResult>(List<TResult> result)
{
if (this.EntityInfo.Columns.Any(it => it.IsTranscoding))