38 lines
1.6 KiB
C#
38 lines
1.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SqlSugar
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{
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public partial class DeleteNavProvider<Root, T> where T : class, new() where Root : class, new()
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{
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private void DeleteOneToOne<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
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{
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var parentEntity = _ParentEntity;
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var parentList = _ParentList.Cast<T>().ToList();
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var parentColumn = parentEntity.Columns.FirstOrDefault(it => it.PropertyName == nav.Navigat.Name);
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var parentPkColumn = parentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
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EntityColumnInfo thisPkColumn = GetPkColumnByNav(thisEntity, nav);
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Check.Exception(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
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if (!_IsDeletedParant)
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SetContext(() => this._Context.Deleteable(parentList).ExecuteCommand());
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var ids = _ParentList.Select(it => parentColumn.PropertyInfo.GetValue(it)).ToList();
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List<TChild> childList = this._Context.Queryable<TChild>().In(thisPkColumn.DbColumnName, ids).ToList();
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this._ParentList = childList.Cast<object>().ToList();
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this._ParentPkColumn = thisPkColumn;
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this._IsDeletedParant = true;
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SetContext(() => this._Context.Deleteable(childList).ExecuteCommand());
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}
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}
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}
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