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- 优化 ServerTime 与 IUpdate.Set 指定更新的问题；#1251

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This commit is contained in:
2881099
2022-09-20 12:23:51 +08:00
parent 0e6945cf76
commit f8f31df120
4 changed files with 93 additions and 3 deletions
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61
Examples/base_entity/Program.cs
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@ -351,6 +351,21 @@ namespace base_entity
public int aa { get; set; }
}
public class JoinConditionAttribute : Attribute
{
public string Condition { get; set; }
public JoinConditionAttribute(string condition) => Condition = condition;
}
public class JoinTest01
{
public int id { get; set; }
public string code { get; set; }
public string parentcode { get; set; }
public string name { get; set; }
[JoinCondition("a.parentcode = b.code")]
public JoinTest01 Parent { get; set; }
}
static void Main(string[] args)
{
@ -409,6 +424,52 @@ namespace base_entity
BaseEntity.Initialization(fsql, () => _asyncUow.Value);
#endregion
fsql.Aop.ParseExpression += (_, e) =>
{
if (e.Expression is MemberExpression memExp == false) return;
ParameterExpression parmExp = null;
var exps = new List<MemberExpression>();
exps.Add(memExp);
while (memExp.Expression != null)
{
if (memExp.Expression is MemberExpression parentExp)
{
exps.Add(parentExp);
memExp = parentExp;
if (fsql.CodeFirst.GetTableByEntity(memExp.Type) == null) return;
continue;
}
if (memExp.Expression is ParameterExpression parmExp2)
{
parmExp = parmExp2;
break;
}
return;
}
if (parmExp == null) return;
var oldTables = e.Tables.ToArray();
var result = e.FreeParse(e.Expression);
for (var a = oldTables.Length; a < e.Tables.Count; a++)
{
if (string.IsNullOrEmpty(e.Tables[a].NavigateCondition) == false) continue;
var parentTableAlias = e.Tables[a].Alias?.Split(new[] { "__" }, StringSplitOptions.None);
if (parentTableAlias == null || parentTableAlias.Length <= 1) continue;
var parentTable = e.Tables.Where(c => c.Alias == string.Join("__", parentTableAlias.Take(parentTableAlias.Length - 1))).FirstOrDefault();
if (parentTable == null || parentTable.Table.Properties.TryGetValue(parentTableAlias.Last(), out var navProp) == false) continue;
var joinAttr = navProp.GetCustomAttribute<JoinConditionAttribute>();
if (joinAttr == null) continue;
e.Tables[a].NavigateCondition = joinAttr.Condition
.Replace("a.", e.Tables[a].Alias + ".")
.Replace("b.", parentTable.Alias + ".");
}
e.Result = result;
};
var joinsql1 = fsql.Select<JoinTest01>()
.Include(a => a.Parent.Parent)
.Where(a => a.Parent.Parent.code == "001")
.ToSql();
fsql.Aop.ConfigEntity += (_, e) =>
{
Console.WriteLine("Aop.ConfigEntity: " + e.ModifyResult.Name);