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Expression !=null BUG

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This commit is contained in:
sunkaixuan
2017-06-05 13:10:37 +08:00
parent 2a2923c7a4
commit 7bdad99f49
3 changed files with 18 additions and 2 deletions
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14
SqlServerTest/UnitTest/ExpressionTest/Where.cs
View File

@@ -33,6 +33,7 @@ namespace OrmTest.UnitTest
whereSingle10();
whereSingle11();
whereSingle12();
whereSingle13();
WhereMultiple1();
WhereMultiple2();
@@ -221,6 +222,19 @@ namespace OrmTest.UnitTest
new SugarParameter("@Bool10",true)
}, "whereSingle12");
}
private void whereSingle13()
{
Expression<Func<Student, bool>> exp = it => it.Name!=null;
ExpressionContext expContext = new ExpressionContext();
expContext.Resolve(exp, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
base.Check(value, pars, "( [Name] IS NOT NULL )", new List<SugarParameter>()
{
}, "whereSingle13");
}
}
public class WhereConst

1
SqlSugar/ExpressionsToSql/Common/ExpressionParameter.cs
View File

@@ -15,6 +15,7 @@ namespace SqlSugar
public Expression LeftExpression { get; set; }
public Expression RightExpression { get; set; }
public Expression CurrentExpression { get; set; }
public string OperatorValue { get; set; }
public bool? IsLeft { get; set; }
public int Index { get; set; }
public bool ValueIsNull { get; set; }

5
SqlSugar/ExpressionsToSql/ResolveItems/BinaryExpressionResolve.cs
View File

@@ -18,7 +18,8 @@ namespace SqlSugar
else
{
var expression = this.Expression as BinaryExpression;
var operatorValue = ExpressionTool.GetOperator(expression.NodeType);
var operatorValue =parameter.OperatorValue=ExpressionTool.GetOperator(expression.NodeType);
var isEqual = expression.NodeType==ExpressionType.Equal;
var isComparisonOperator =
expression.NodeType != ExpressionType.And &&
expression.NodeType != ExpressionType.AndAlso &&
@@ -53,7 +54,7 @@ namespace SqlSugar
base.IsLeft = null;
if (lsbs && parameter.ValueIsNull)
{
base.Context.Result.Replace(ExpressionConst.Format1 + parameter.Index, "IS");
base.Context.Result.Replace(ExpressionConst.Format1 + parameter.Index, isEqual?"IS":"IS NOT");
}
else {
base.Context.Result.Replace(ExpressionConst.Format1 + parameter.Index, operatorValue);