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修复 .From 多表查询别名的匹配 bug

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This commit is contained in:
28810 2019-07-17 18:01:52 +08:00
parent a5f524d154
commit 558d154486
2 changed files with 29 additions and 2 deletions
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22
FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
View File

@ -283,6 +283,8 @@ namespace FreeSql.Tests
[Navigate("TbId")]
public virtual ICollection<TaskBuildInfo> Builds { get; set; }
public Templates Templates { get; set; }
public TaskBuild Parent { get; set; }
}
public class SqlFunc
@ -296,6 +298,26 @@ namespace FreeSql.Tests
[Fact]
public void Test1()
{
var sqksdkfjl = g.sqlite.Select<TaskBuild>()
.LeftJoin(a => a.Templates.Id2 == a.TemplatesId)
.LeftJoin(a => a.Parent.Id == a.Id)
.LeftJoin(a => a.Parent.Templates.Id2 == a.Parent.TemplatesId)
.ToSql(a => new
{
code1 = a.Templates.Code,
code2 = a.Parent.Templates.Code
});
var sqksdkfjl2223 = g.sqlite.Select<TaskBuild>().From<TaskBuild, Templates, Templates>((s1, tb2, b1, b2) => s1
.LeftJoin(a => a.Id == tb2.TemplatesId)
.LeftJoin(a => a.TemplatesId == b1.Id2)
.LeftJoin(a => a.TemplatesId == b2.Id2)
).ToSql((a, tb2, b1, b2) => new
{
code1 = b1.Code,
code2 = b2.Code
});
var teklksjdg = g.sqlite.Select<ZX.Model.CustomerCheckupGroup>()

7
FreeSql/Internal/CommonExpression.cs
View File

@ -8,6 +8,7 @@ using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Internal
{
@ -341,6 +342,7 @@ namespace FreeSql.Internal
return GetBoolString(sql);
return sql;
}
static ConcurrentDictionary<string, Regex> dicRegexAlias = new ConcurrentDictionary<string, Regex>();
public void ExpressionJoinLambda(List<SelectTableInfo> _tables, SelectTableInfoType tbtype, Expression exp, Func<Expression[], string> getSelectGroupingMapString)
{
var tbidx = _tables.Count;
@ -360,7 +362,10 @@ namespace FreeSql.Internal
}
else
{
var find = _tables.Where((a, c) => c > 0 && (a.Type == tbtype || a.Type == SelectTableInfoType.From) && string.IsNullOrEmpty(a.On) && sql.Contains(a.Alias + ".")).LastOrDefault();
var find = _tables.Where((a, c) => c > 0 &&
(a.Type == tbtype || a.Type == SelectTableInfoType.From) &&
string.IsNullOrEmpty(a.On) &&
dicRegexAlias.GetOrAdd(a.Alias, alias => new Regex($@"\b{alias}\.", RegexOptions.Compiled)).IsMatch(sql)).LastOrDefault();
if (find != null)
{
find.Type = tbtype;