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- 修复 实体类拥有构造参数时，ToList\<DTO\> 映射查询无效的 bug；

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This commit is contained in:
2881099 2020-11-12 05:11:05 +08:00
parent dad05d83c9
commit 4ef38817ff
2 changed files with 6 additions and 3 deletions
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3
FreeSql.Tests/FreeSql.Tests/UnitTest4.cs
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@ -15,6 +15,7 @@ namespace FreeSql.Tests
{ {
public ts_record parent { get; set; } public ts_record parent { get; set; }
} }
public record ts_record_dto(DateTime Date, int TemperatureC, string Summary);
[Fact] [Fact]
public void LeftJoinNull01() public void LeftJoinNull01()
@ -24,6 +25,8 @@ namespace FreeSql.Tests
fsql.Delete<ts_record>().Where("1=1").ExecuteAffrows(); fsql.Delete<ts_record>().Where("1=1").ExecuteAffrows();
fsql.Insert(new ts_record(DateTime.Now, 1, 2, "123")).ExecuteAffrows(); fsql.Insert(new ts_record(DateTime.Now, 1, 2, "123")).ExecuteAffrows();
var fores = fsql.Select<ts_record>().ToList(); var fores = fsql.Select<ts_record>().ToList();
var fores_dtos1 = fsql.Select<ts_record>().ToList<ts_record_dto>();
var fores_dtos2 = fsql.Select<ts_record>().ToList(a => new ts_record_dto(a.Date, a.TemperatureC, a.Summary));

6
FreeSql/Internal/CommonExpression.cs
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@ -273,9 +273,9 @@ namespace FreeSql.Internal
{ {
if (a.NodeType != ExpressionType.Constant) return true; if (a.NodeType != ExpressionType.Constant) return true;
var constVal = (a as ConstantExpression)?.Value; var constVal = (a as ConstantExpression)?.Value;
if (constVal == null) return true; if (constVal == null) return false; //- 修复 实体类拥有构造参数时，ToList\<DTO\> 映射查询无效的 bug；
if (object.Equals(constVal, a.Type.CreateInstanceGetDefaultValue()) == false) return true; if (object.Equals(constVal, a.Type.CreateInstanceGetDefaultValue())) return false;
return false; return true;
}) })
)) ))
{ {