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- 修复 v3.2.688 WithTempQuery 场景的 DTO 映射查询；

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This commit is contained in:
2881099 2023-02-28 18:50:08 +08:00
parent 74567733a7
commit 62408b2ba7
1 changed files with 78 additions and 54 deletions
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56
FreeSql/Internal/CommonExpression.cs
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@ -330,7 +330,10 @@ namespace FreeSql.Internal
{
if (diymemexp != null && dtTb.Parameter != null)
{
var dbTbExp = MatchDtoProperty(dtTb, dtoProp);
var isBreaked = false;
var dbTbExps = MatchDtoPropertys(dtTb, dtoProp); //嵌套查询临时类，可能匹配到多个 DTO
foreach (var dbTbExp in dbTbExps)
{
if (dbTbExp?.Any() == true)
{
var dbfield = diymemexp.ParseExp(dbTbExp);
@ -352,10 +355,13 @@ namespace FreeSql.Internal
diychild.DbNestedField = $"as{++index}";
field.Append(_common.FieldAsAlias(diychild.DbNestedField));
}
isBreaked = true;
break;
}
}
}
if (isBreaked) break;
}
continue;
}
if (trydtocol.Attribute.IsIgnore == true) continue;
@ -456,7 +462,10 @@ namespace FreeSql.Internal
{
if (diymemexp != null && dtTb.Parameter != null)
{
var dbTbExp = MatchDtoProperty(dtTb, dtoProp);
var isBreaked = false;
var dbTbExps = MatchDtoPropertys(dtTb, dtoProp); //嵌套查询临时类，可能匹配到多个 DTO
foreach (var dbTbExp in dbTbExps)
{
if (dbTbExp?.Any() == true)
{
var dbfield = diymemexp.ParseExp(dbTbExp);
@ -478,10 +487,13 @@ namespace FreeSql.Internal
diychild.DbNestedField = $"as{++index}";
field.Append(_common.FieldAsAlias(diychild.DbNestedField));
}
isBreaked = true;
break;
}
}
}
if (isBreaked) break;
}
continue;
}
if (trydtocol.Attribute.IsIgnore == true) continue;
@ -2498,20 +2510,12 @@ namespace FreeSql.Internal
//return string.Concat(_ado.AddslashesProcessParam(obj, mapType, mapColumn));
}
public static Expression[] MatchDtoProperty(SelectTableInfo tb, PropertyInfo dtoProp)
public List<Expression[]> MatchDtoPropertys(SelectTableInfo tb, PropertyInfo dtoProp)
{
if (tb == null || dtoProp == null || tb.Parameter == null) return null;
var exp = LocalMatch(tb.Parameter.Type, tb.Parameter);
if (exp == null) return null;
var exps = new Stack<Expression>();
while (true)
{
exps.Push(exp);
exp = (exp as MemberExpression).Expression;
if (exp.NodeType == ExpressionType.Parameter) break;
}
if (exps.Any()) return exps.ToArray();
return null;
var retList = new List<Expression[]>();
LocalMatch(tb.Parameter.Type, tb.Parameter);
return retList;
Expression LocalMatch(Type type, Expression memExp)
{
@ -2522,12 +2526,32 @@ namespace FreeSql.Internal
{
foreach (var typeProp in typeProps.Values)
{
if (Utils.dicExecuteArrayRowReadClassOrTuple.ContainsKey(type)) return null;
if (Utils.dicExecuteArrayRowReadClassOrTuple.ContainsKey(typeProp.PropertyType)) continue;
if (typeProp.PropertyType.IsAnonymousType() || _common.GetTableByEntity(typeProp.PropertyType)?.Columns.Any() == true)
{
var nextExp = Expression.MakeMemberAccess(memExp, typeProp);
var ret = LocalMatch(typeProp.PropertyType, nextExp);
if (ret != null) return ret;
if (ret != null)
{
var expPath = LocalGetExpressionPath(ret);
if (expPath != null) retList.Add(expPath);
}
}
}
}
return null;
}
Expression[] LocalGetExpressionPath(Expression exp)
{
if (exp == null) return null;
var exps = new Stack<Expression>();
while (true)
{
exps.Push(exp);
exp = (exp as MemberExpression).Expression;
if (exp.NodeType == ExpressionType.Parameter) break;
}
if (exps.Any()) return exps.ToArray();
return null;
}
}