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Update ExpressionToSql

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This commit is contained in:
sunkaixuan 2019-01-18 23:14:04 +08:00
parent f6a9a80383
commit 1e556ed435
3 changed files with 19 additions and 0 deletions
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4
Src/Asp.Net/SqlSugar/ExpressionsToSql/ExpressionContext.cs
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@ -122,6 +122,8 @@ namespace SqlSugar
{
ExpressionContext copyContext = (ExpressionContext)Activator.CreateInstance(this.GetType(), true);
copyContext.Index = this.Index;
copyContext.InitMappingInfo = this.InitMappingInfo;
copyContext.RefreshMapping = this.RefreshMapping;
copyContext.ParameterIndex = this.ParameterIndex;
return copyContext;
}
@ -134,6 +136,8 @@ namespace SqlSugar
copyContext.MappingTables = this.MappingTables;
copyContext.IgnoreComumnList = this.IgnoreComumnList;
copyContext.SqlFuncServices = this.SqlFuncServices;
copyContext.InitMappingInfo = this.InitMappingInfo;
copyContext.RefreshMapping = this.RefreshMapping;
return copyContext;
}
#endregion

3
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
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@ -396,6 +396,9 @@ namespace SqlSugar
}
this.Context.Result.Append(this.Context.GetAsString(asName, newContext.Result.GetString()));
this.Context.Result.CurrentParameter = null;
if (this.Context.SingleTableNameSubqueryShortName.IsNullOrEmpty() && newContext.SingleTableNameSubqueryShortName.HasValue()) {
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
}
}
else if (item.Type.IsClass())

12
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubResolve.cs
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@ -47,6 +47,18 @@ namespace SqlSugar
context.SingleTableNameSubqueryShortName = (((meExp.Body as BinaryExpression).Right as MemberExpression).Expression as ParameterExpression).Name;
}
}
else if (context.Expression.GetType().Name == "MethodBinaryExpression")
{
var subExp = (context.Expression as BinaryExpression).Left is MethodCallExpression ? (context.Expression as BinaryExpression).Left : (context.Expression as BinaryExpression).Right;
var meExp = ((subExp as MethodCallExpression).Object as MethodCallExpression).Arguments[0] as LambdaExpression;
var selfParameterName = meExp.Parameters.First().Name;
context.SingleTableNameSubqueryShortName = (((meExp.Body as BinaryExpression).Left as MemberExpression).Expression as ParameterExpression).Name;
if (context.SingleTableNameSubqueryShortName == selfParameterName)
{
context.SingleTableNameSubqueryShortName = (((meExp.Body as BinaryExpression).Right as MemberExpression).Expression as ParameterExpression).Name;
}
}
else
{
Check.Exception(true, "I'm sorry I can't parse the current expression");