lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-09-19 18:22:23 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Optimization EXP analysis

Browse Source
This commit is contained in:
sunkaixuan
2017-07-14 12:05:38 +08:00
parent f1428ff1ff
commit f24f6e88cb
2 changed files with 39 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
Src/Asp.Net/SqlServerTest/Program.cs
View File

@@ -17,34 +17,34 @@ namespace OrmTest
{ {
static void Main(string[] args) static void Main(string[] args)
{ {
//// /***Unit Test***/ // /***Unit Test***/
//new Select(1).Init(); new Select(1).Init();
//new Field(1).Init(); new Field(1).Init();
//new Where(1).Init(); new Where(1).Init();
//new Method(1).Init(); new Method(1).Init();
//new JoinQuery(1).Init(); new JoinQuery(1).Init();
//new SingleQuery(1).Init(); new SingleQuery(1).Init();
//new SelectQuery(1).Init(); new SelectQuery(1).Init();
//new AutoClose(1).Init(); new AutoClose(1).Init();
//new Insert(1).Init(); new Insert(1).Init();
//new Delete(1).Init(); new Delete(1).Init();
//new Update(1).Init(); new Update(1).Init();
//new Mapping(1).Init(); new Mapping(1).Init();
//new DataTest(1).Init(); new DataTest(1).Init();
///***Performance Test***/ /***Performance Test***/
//new SqlSugarPerformance(100).Select(); new SqlSugarPerformance(100).Select();
/***Demo***/ /***Demo***/
OrmTest.Demo.Query.Init(); OrmTest.Demo.Query.Init();
//OrmTest.Demo.Insert.Init(); OrmTest.Demo.Insert.Init();
//OrmTest.Demo.Delete.Init(); OrmTest.Demo.Delete.Init();
//OrmTest.Demo.Update.Init(); OrmTest.Demo.Update.Init();
//OrmTest.Demo.DbFirst.Init(); OrmTest.Demo.DbFirst.Init();
//OrmTest.Demo.JoinSql.Init(); OrmTest.Demo.JoinSql.Init();
//OrmTest.Demo.Filter.Init(); OrmTest.Demo.Filter.Init();
//OrmTest.Demo.ComplexModel.Init(); OrmTest.Demo.ComplexModel.Init();
//OrmTest.Demo.CodeFirst.Init(); OrmTest.Demo.CodeFirst.Init();
} }
} }
} }

24
Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs
View File

@@ -70,10 +70,10 @@ namespace SqlSugar
var memberInfos = new Stack<MemberInfo>(); var memberInfos = new Stack<MemberInfo>();
var fieldInfo = member as System.Reflection.FieldInfo; var fieldInfo = member as System.Reflection.FieldInfo;
object reval = null; object reval = null;
// "descend" toward's the root object reference: MemberExpression memberExpr = null;
while (expression is MemberExpression) while (expression is MemberExpression)
{ {
var memberExpr = expression as MemberExpression; memberExpr = expression as MemberExpression;
memberInfos.Push(memberExpr.Member); memberInfos.Push(memberExpr.Member);
if (memberExpr.Expression == null) if (memberExpr.Expression == null)
{ {
@@ -106,18 +106,24 @@ namespace SqlSugar
var objProp = objReference.GetType().GetProperty(mi.Name); var objProp = objReference.GetType().GetProperty(mi.Name);
if (objProp == null) if (objProp == null)
{ {
objReference = DynamicInvoke(expression,memberExpr);
}
else
{
objReference = objProp.GetValue(objReference, null);
} }
objReference = objProp.GetValue(objReference, null);
} }
else if (mi.MemberType == MemberTypes.Field) else if (mi.MemberType == MemberTypes.Field)
{ {
var objField = objReference.GetType().GetField(mi.Name); var objField = objReference.GetType().GetField(mi.Name);
if (objField == null) if (objField == null)
{ {
objReference = DynamicInvoke(expression, memberExpr);
}
else
{
objReference = objField.GetValue(objReference);
} }
objReference = objField.GetValue(objReference);
} }
} }
reval = objReference; reval = objReference;
@@ -194,12 +200,12 @@ namespace SqlSugar
return reval; return reval;
} }
public static object DynamicInvoke(Expression expression) public static object DynamicInvoke(Expression expression,MemberExpression memberExpression=null)
{ {
object value = Expression.Lambda(expression).Compile().DynamicInvoke(); object value = Expression.Lambda(expression).Compile().DynamicInvoke();
if (value != null && value.GetType().IsClass() && value.GetType() != ExpressionConst.StringType) if (value != null && value.GetType().IsClass() && value.GetType() != ExpressionConst.StringType&& memberExpression!=null)
{ {
value = Expression.Lambda(expression).Compile().DynamicInvoke(); value = Expression.Lambda(memberExpression).Compile().DynamicInvoke();
} }
return value; return value;