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- 修复 ToList((a,b) => new { a, b }) 当 b 为 null 的时候，应该整个 b 为 null；(导航属性没这个问题)

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This commit is contained in:
28810 2019-12-10 16:35:11 +08:00
parent d8fd20b8f9
commit 82376eecb4
4 changed files with 51 additions and 11 deletions
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32
FreeSql.Tests/FreeSql.Tests/UnitTest2.cs
View File

@ -227,9 +227,41 @@ namespace FreeSql.Tests
public decimal rowstate { get; set; }
}
public class otot1
{
[Column(IsIdentity = true)]
public int id { get; set; }
public string name { get; set; }
public otot2 t2 { get; set; }
}
public class otot2
{
[Column(IsIdentity = true)]
public int id { get; set; }
public string title { get; set; }
}
[Fact]
public void Test02()
{
g.sqlite.Insert(new otot1 { name = "otot1_name1" }).ExecuteAffrows();
var otolst1 = g.sqlite.Select<otot1>()
.LeftJoin(a => a.id == a.t2.id)
.ToList();
var otolst2 = g.sqlite.Select<otot1, otot2>()
.LeftJoin((a, b) => a.id == b.id)
.ToList((a, b) => new
{
a,
b
});
var testcf = g.sqlite.CodeFirst.GetComparisonDDLStatements(typeof(dfDto2), "main.test2");

15
FreeSql/Internal/CommonExpression.cs
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@ -80,6 +80,7 @@ namespace FreeSql.Internal
var tb = parent.Table = map.First().Table.Table;
parent.Consturctor = tb.Type.GetConstructor(new Type[0]);
parent.ConsturctorType = ReadAnonymousTypeInfoConsturctorType.Properties;
parent.IsEntity = true;
for (var idx = 0; idx < map.Count; idx++)
{
var child = new ReadAnonymousTypeInfo
@ -220,7 +221,7 @@ namespace FreeSql.Internal
if (index >= 0) field.Append(" as").Append(++index);
return false;
}
public object ReadAnonymous(ReadAnonymousTypeInfo parent, DbDataReader dr, ref int index, bool notRead)
public object ReadAnonymous(ReadAnonymousTypeInfo parent, DbDataReader dr, ref int index, bool notRead, ReadAnonymousDbValueRef dbValue)
{
if (parent.Childs.Any() == false)
{
@ -232,6 +233,7 @@ namespace FreeSql.Internal
return Utils.GetDataReaderValue(parent.CsType, null);
}
object objval = dr.GetValue(++index);
if (dbValue != null) dbValue.DbValue = objval == DBNull.Value ? null : objval;
if (parent.CsType != parent.MapType)
objval = Utils.GetDataReaderValue(parent.MapType, objval);
objval = Utils.GetDataReaderValue(parent.CsType, objval);
@ -245,7 +247,7 @@ namespace FreeSql.Internal
var args = new object[parent.Childs.Count];
for (var a = 0; a < parent.Childs.Count; a++)
{
var objval = ReadAnonymous(parent.Childs[a], dr, ref index, notRead);
var objval = ReadAnonymous(parent.Childs[a], dr, ref index, notRead, null);
if (notRead == false)
args[a] = objval;
}
@ -256,8 +258,9 @@ namespace FreeSql.Internal
for (var b = 0; b < parent.Childs.Count; b++)
{
var prop = parent.Childs[b].Property;
var objval = ReadAnonymous(parent.Childs[b], dr, ref index, notRead);
if (isnull == false && objval == null && parent.Table != null && parent.Table.ColumnsByCs.TryGetValue(parent.Childs[b].CsName, out var trycol) && trycol.Attribute.IsPrimary)
var dbval = parent.IsEntity ? new ReadAnonymousDbValueRef() : null;
var objval = ReadAnonymous(parent.Childs[b], dr, ref index, notRead, dbval);
if (isnull == false && parent.IsEntity && dbval.DbValue == null && parent.Table != null && parent.Table.ColumnsByCs.TryGetValue(parent.Childs[b].CsName, out var trycol) && trycol.Attribute.IsPrimary)
isnull = true;
if (isnull == false && prop.CanWrite)
prop.SetValue(ret, objval, null);
@ -266,6 +269,10 @@ namespace FreeSql.Internal
}
return null;
}
public class ReadAnonymousDbValueRef
{
public object DbValue { get; set; }
}
public ColumnInfo SearchColumnByField(List<SelectTableInfo> _tables, TableInfo currentTable, string field)
{

14
FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs
View File

@ -352,7 +352,7 @@ namespace FreeSql.Internal.CommonProvider
{
var idx = af.FieldCount - 1;
foreach (var other in otherData)
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false));
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false, null));
}
}, CommandType.Text, sql, dbParms);
}
@ -405,7 +405,7 @@ namespace FreeSql.Internal.CommonProvider
{
var idx = af.FieldCount - 1;
foreach (var other in otherData)
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false));
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false, null));
}
if (chunkSize > 0 && chunkSize == ret.Count)
{
@ -487,10 +487,10 @@ namespace FreeSql.Internal.CommonProvider
_orm.Ado.ExecuteReader(_connection, _transaction, dr =>
{
var index = -1;
ret.Add((TReturn)_commonExpression.ReadAnonymous(af.map, dr, ref index, false));
ret.Add((TReturn)_commonExpression.ReadAnonymous(af.map, dr, ref index, false, null));
if (otherData != null)
foreach (var other in otherData)
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref index, false));
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref index, false, null));
}, CommandType.Text, sql, dbParms);
}
catch (Exception ex)
@ -1151,7 +1151,7 @@ namespace FreeSql.Internal.CommonProvider
{
var idx = af.FieldCount - 1;
foreach (var other in otherData)
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false));
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref idx, false, null));
}
return Task.FromResult(false);
}, CommandType.Text, sql, dbParms);
@ -1214,10 +1214,10 @@ namespace FreeSql.Internal.CommonProvider
await _orm.Ado.ExecuteReaderAsync(_connection, _transaction, dr =>
{
var index = -1;
ret.Add((TReturn)_commonExpression.ReadAnonymous(af.map, dr, ref index, false));
ret.Add((TReturn)_commonExpression.ReadAnonymous(af.map, dr, ref index, false, null));
if (otherData != null)
foreach (var other in otherData)
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref index, false));
other.retlist.Add(_commonExpression.ReadAnonymous(other.read, dr, ref index, false, null));
return Task.FromResult(false);
}, CommandType.Text, sql, dbParms);
}

1
FreeSql/Internal/Model/ReadAnonymousTypeInfo.cs
View File

@ -16,6 +16,7 @@ namespace FreeSql.Internal.Model
public ReadAnonymousTypeInfoConsturctorType ConsturctorType { get; set; }
public List<ReadAnonymousTypeInfo> Childs = new List<ReadAnonymousTypeInfo>();
public TableInfo Table { get; set; }
public bool IsEntity { get; set; }
}
public enum ReadAnonymousTypeInfoConsturctorType { Arguments, Properties }
}