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- 修复 [JsonMap] 属性在 lambda 表达式中解析的 bug；

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This commit is contained in:
28810
2020-06-20 11:07:41 +08:00
parent f1e144daaf
commit 3d80bc0c4b
2 changed files with 31 additions and 4 deletions
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30
FreeSql/Internal/CommonExpression.cs
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@@ -80,8 +80,15 @@ namespace FreeSql.Internal
return false;
case ExpressionType.Parameter:
case ExpressionType.MemberAccess:
if (_common.GetTableByEntity(exp.Type) != null)
{ //加载表所有字段
if (_common.GetTableByEntity(exp.Type) != null &&
//判断 [JsonMap] 并非导航对象
(exp.NodeType == ExpressionType.Parameter || exp is MemberExpression expMem && (
_common.GetTableByEntity(expMem.Expression.Type)?.ColumnsByCs.ContainsKey(expMem.Member.Name) == false ||
expMem.Expression.NodeType == ExpressionType.Parameter && expMem.Expression.Type.IsAnonymousType()) //<>h__TransparentIdentifier 是 Linq To Sql 的类型判断，此时为匿名类型
)
)
{
//加载表所有字段
var map = new List<SelectColumnInfo>();
ExpressionSelectColumn_MemberAccess(_tables, map, SelectTableInfoType.From, exp, true, getSelectGroupingMapString);
var tb = parent.Table = map.First().Table.Table;
@@ -1272,9 +1279,24 @@ namespace FreeSql.Internal
var exp2Type = exp2.Type;
if (exp2Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) exp2Type = exp2Type.GetGenericArguments().LastOrDefault() ?? exp2.Type;
var tb2tmp = _common.GetTableByEntity(exp2Type);
var mp2 = exp2 as MemberExpression;
if (mp2?.Member.Name == "Key" && mp2.Expression.Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) continue;
ColumnInfo col2 = null;
if (tb2?.ColumnsByCs.TryGetValue(mp2.Member.Name, out col2) == true)
{
if (tsc._selectColumnMap != null && find2 != null)
{
tsc._selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = col2 });
return "";
}
name2 = col2.Attribute.Name;
tsc.SetMapColumnTmp(col2);
break;
}
//判断 [JsonMap] 并非导航对象，所以在上面提前判断 ColumnsByCs
var tb2tmp = _common.GetTableByEntity(exp2Type);
if (tb2tmp != null)
{
if (exp2.NodeType == ExpressionType.Parameter)
@@ -1317,7 +1339,7 @@ namespace FreeSql.Internal
throw new ArgumentException($"{tb2.DbName}.{mp2.Member.Name} 导航属性集合忘了 .AsSelect() 吗？如果在 ToList(a => a.{mp2.Member.Name}) 中使用，请移步参考 IncludeMany 文档。");
throw new ArgumentException($"{tb2.DbName} 找不到列 {mp2.Member.Name}");
}
var col2 = tb2.ColumnsByCs[mp2.Member.Name];
col2 = tb2.ColumnsByCs[mp2.Member.Name];
if (tsc._selectColumnMap != null && find2 != null)
{
tsc._selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = col2 });