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sunkaixuan
2017-08-14 00:39:25 +08:00
parent 2a7b832462
commit 9dac12aba4
2 changed files with 30 additions and 30 deletions
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14
Src/Asp.Net/SqlServerTest/UnitTest/ExpressionTest/Method.cs
View File

@@ -35,6 +35,7 @@ namespace OrmTest.UnitTest
IIF2();
IIF3();
IIF4();
IIF5();
#region StringIsNullOrEmpty
HasValue();
HasNumber();
@@ -735,6 +736,19 @@ namespace OrmTest.UnitTest
new SugarParameter("@Const0",true)
}, "IIF4 error");
}
private void IIF5()
{
Expression<Func<DataTestInfo, bool>> exp = it => SqlFunc.IIF(true,Convert.ToBoolean(it.Datetime1), SqlFunc.ToBool(it.Datetime1)) == false;
SqlServerExpressionContext expContext = new SqlServerExpressionContext();
expContext.Resolve(exp, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
base.Check(value, pars, "(( CASE WHEN ( 1 = 1 ) THEN CAST([Datetime1] AS BIT) ELSE CAST([Datetime1] AS BIT) END ) = @Const0 )", new List<SugarParameter>()
{
new SugarParameter("@Const0",false)
}, "IIF5 error");
}
}
}

46
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
View File

@@ -151,15 +151,16 @@ namespace SqlSugar
var isIFFBoolMember = isIIF && (item is MemberExpression) && (item as MemberExpression).Type == PubConst.BoolType;
var isIFFUnary = isIIF && (item is UnaryExpression) && (item as UnaryExpression).Operand.Type == PubConst.BoolType;
var isIFFBoolBinary = isIIF && (item is BinaryExpression) && (item as BinaryExpression).Type == PubConst.BoolType;
var isIFFBoolMethod = isIIF && (item is MethodCallExpression) && (item as MethodCallExpression).Type == PubConst.BoolType;
var isFirst = item == args.First();
if (isFirst&& isIIF && isConst)
if (isFirst && isIIF && isConst)
{
var value = (item as ConstantExpression).Value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember =true,
IsMember = true,
MemberName = value,
MemberValue= value
MemberValue = value
};
model.Args.Add(methodCallExpressionArgs);
}
@@ -177,6 +178,9 @@ namespace SqlSugar
AppendModelByIIFBinary(parameter, model, item);
}
else if (isIFFBoolMethod && !isFirst) {
AppendModelByIIFMethod(parameter, model, item);
}
else if (isBinaryExpression)
{
model.Args.Add(GetMethodCallArgs(parameter, item));
@@ -222,37 +226,19 @@ namespace SqlSugar
}
private void AppendModelByIIFBinary(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
base.Start();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
Check.Exception(true, "The SqlFunc.IIF(arg1,arg2,arg3) , {0} argument do not support ", item.ToString());
}
private void AppendModelByIIFMethod(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
var methodExpression = item as MethodCallExpression;
if (methodExpression.Method.Name.IsIn("ToBool", "ToBoolean","IIF"))
{
IsMember = parameter.ChildExpression is MemberExpression,
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
model.Args.Add(base.GetMethodCallArgs(parameter, item));
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
else
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
Check.Exception(true, "The SqlFunc.IIF(arg1,arg2,arg3) , {0} argument do not support ", item.ToString());
}
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)
{