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sunkaixuan
2017-08-13 21:34:29 +08:00
parent 9675f05e81
commit b22f5292e7
2 changed files with 142 additions and 27 deletions
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34
Src/Asp.Net/SqlServerTest/UnitTest/ExpressionTest/Method.cs
View File

@@ -33,6 +33,8 @@ namespace OrmTest.UnitTest
MappingColumn();
IIF();
IIF2();
IIF3();
IIF4();
#region StringIsNullOrEmpty
HasValue();
HasNumber();
@@ -704,6 +706,38 @@ namespace OrmTest.UnitTest
new SugarParameter("@Const3",1)
}, "IIF2 error");
}
private void IIF3()
{
Expression<Func<Student, bool>> exp = it => SqlFunc.IIF(SqlFunc.Contains(it.Name, "a"), true, false) == true;
SqlServerExpressionContext expContext = new SqlServerExpressionContext();
expContext.Resolve(exp, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
base.Check(value, pars, "(( CASE WHEN ([Name] like '%'+@MethodConst0+'%') THEN @MethodConst1 ELSE @MethodConst2 END ) = @Const3 )", new List<SugarParameter>()
{
new SugarParameter("@MethodConst0","a"),
new SugarParameter("@MethodConst1",true),
new SugarParameter("@MethodConst2",false),
new SugarParameter("@Const3",true)
}, "IIF3 error");
}
private void IIF4()
{
//Expression<Func<DataTestInfo2, bool>> exp = it => SqlFunc.IIF(true, it.Bool1, it.Bool2) == true;
//SqlServerExpressionContext expContext = new SqlServerExpressionContext();
//expContext.Resolve(exp, ResolveExpressType.WhereSingle);
//var value = expContext.Result.GetString();
//var pars = expContext.Parameters;
//base.Check(value, pars, "(( CASE WHEN ([Name] like '%'+@MethodConst0+'%') THEN @MethodConst1 ELSE @MethodConst2 END ) = @Const3 )", new List<SugarParameter>()
//{
// new SugarParameter("@MethodConst0","a"),
// new SugarParameter("@MethodConst1",true),
// new SugarParameter("@MethodConst2",false),
// new SugarParameter("@Const3",true)
//}, "IIF4 error");
}
}
}

135
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
View File

@@ -21,7 +21,7 @@ namespace SqlSugar
appendArgs = new List<MethodCallExpressionArgs>();
var dateType = MethodTimeMapping[methodName];
string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
appendArgs.Add(new MethodCallExpressionArgs() { IsMember=false, MemberName= paramterName, MemberValue=dateType });
appendArgs.Add(new MethodCallExpressionArgs() { IsMember = false, MemberName = paramterName, MemberValue = dateType });
this.Context.Parameters.Add(new SugarParameter(paramterName, dateType.ToString()));
this.Context.ParameterIndex++;
methodName = "DateAdd";
@@ -47,7 +47,7 @@ namespace SqlSugar
}
if (isValidNativeMethod)
{
NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName],appendArgs);
NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName], appendArgs);
}
else
{
@@ -81,7 +81,6 @@ namespace SqlSugar
break;
}
}
private void NativeExtensionMethod(ExpressionParameter parameter, MethodCallExpression express, bool? isLeft, string name, List<MethodCallExpressionArgs> appendArgs = null)
{
var method = express.Method;
@@ -115,21 +114,13 @@ namespace SqlSugar
if (name == "GetSelfAndAutoFill")
{
var memberValue = (args.First() as MemberExpression).Expression.ToString();
model.Args.Add(new MethodCallExpressionArgs() { MemberValue= memberValue, IsMember=true, MemberName= memberValue });
model.Args.Add(new MethodCallExpressionArgs() { MemberValue = memberValue, IsMember = true, MemberName = memberValue });
}
else
{
foreach (var item in args)
{
var isBinaryExpression = item is BinaryExpression || item is MethodCallExpression;
if (isBinaryExpression)
{
model.Args.Add(GetMethodCallArgs(parameter, item));
}
else
{
Default(parameter, model, item);
}
AppendItem(parameter, name, args, model, item);
}
if (appendArgs != null)
{
@@ -142,15 +133,7 @@ namespace SqlSugar
{
foreach (var item in args)
{
var isBinaryExpression = item is BinaryExpression || item is MethodCallExpression;
if (isBinaryExpression)
{
model.Args.Add(GetMethodCallArgs(parameter, item));
}
else
{
Default(parameter, model, item);
}
AppendItem(parameter, name, args, model, item);
}
if (appendArgs != null)
{
@@ -159,7 +142,105 @@ namespace SqlSugar
var methodValue = GetMdthodValue(name, model);
base.AppendValue(parameter, isLeft, methodValue);
}
private void Default(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
private void AppendItem(ExpressionParameter parameter, string name, IEnumerable<Expression> args, MethodCallExpressionModel model, Expression item)
{
var isBinaryExpression = item is BinaryExpression || item is MethodCallExpression;
var isIFFBoolMember = name == "IIF" && (args.Last() is MemberExpression) && (args.Last() as MemberExpression).Type == PubConst.BoolType;
var isIFFUnary = name == "IIF" && (args.Last() is UnaryExpression) && (args.Last() as UnaryExpression).Operand.Type == PubConst.BoolType;
var isIFFBoolBinary = name == "IIF" && (args.Last() is BinaryExpression) && (args.Last() as BinaryExpression).Type == PubConst.BoolType;
if (isIFFUnary && item != args.First())
{
AppendModelByIIFMember(parameter, model, (item as UnaryExpression).Operand);
}
else if (isIFFBoolMember && item != args.First())
{
AppendModelByIIFMember(parameter, model, item);
}
else if (isIFFBoolBinary && item != args.First())
{
AppendModelByIIFBinary(parameter, model, item);
}
else if (isBinaryExpression)
{
model.Args.Add(GetMethodCallArgs(parameter, item));
}
else
{
AppendModel(parameter, model, item);
}
}
private void AppendModelByIIFMember(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
base.Start();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = parameter.ChildExpression is MemberExpression,
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
}
if (methodCallExpressionArgs.IsMember == false)
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = parameterName;
methodCallExpressionArgs.MemberValue = value;
this.Context.Parameters.Add(new SugarParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}
private void AppendModelByIIFBinary(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
base.Start();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = parameter.ChildExpression is MemberExpression,
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
}
if (methodCallExpressionArgs.IsMember == false)
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = parameterName;
methodCallExpressionArgs.MemberValue = value;
this.Context.Parameters.Add(new SugarParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}
private void AppendModel(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
@@ -225,7 +306,7 @@ namespace SqlSugar
return this.Context.DbMehtods.DateIsSameDay(model);
else
{
var dsResult=this.Context.DbMehtods.DateIsSameByType(model);
var dsResult = this.Context.DbMehtods.DateIsSameByType(model);
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[2].MemberName.ObjToString());
return dsResult;
}
@@ -234,12 +315,12 @@ namespace SqlSugar
return this.Context.DbMehtods.DateAddDay(model);
else
{
var daResult=this.Context.DbMehtods.DateAddByType(model);
var daResult = this.Context.DbMehtods.DateAddByType(model);
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[2].MemberName.ObjToString());
return daResult;
}
case "DateValue":
var dvResult= this.Context.DbMehtods.DateValue(model);
var dvResult = this.Context.DbMehtods.DateValue(model);
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[1].MemberName.ObjToString());
return dvResult;
case "Between":
@@ -290,7 +371,7 @@ namespace SqlSugar
return mappingColumnResult;
case "GetSelfAndAutoFill":
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[0].MemberName.ObjToString());
return this.Context.DbMehtods.GetSelfAndAutoFill(model.Args[0].MemberValue.ObjToString(),this.Context.IsSingle);
return this.Context.DbMehtods.GetSelfAndAutoFill(model.Args[0].MemberValue.ObjToString(), this.Context.IsSingle);
default:
break;
}