lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-05-12 00:28:02 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Synchronization code

Browse Source
This commit is contained in:
sunkaixuan 2024-02-22 21:46:20 +08:00
parent eda7c878c8
commit 0e15d2aa10
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Item.cs
View File

@ -328,6 +328,11 @@ namespace SqlSugar
if (this.Context.Result.IsLockCurrentParameter == false) if (this.Context.Result.IsLockCurrentParameter == false)
{ {
var expression = ((UnaryExpression)item).Operand as MemberExpression; var expression = ((UnaryExpression)item).Operand as MemberExpression;
var negateString = string.Empty;
if (item.NodeType == ExpressionType.Negate)
{
negateString = " -1*";
}
var isDateTimeNow = ((UnaryExpression)item).Operand.ToString() == "DateTime.Now"; var isDateTimeNow = ((UnaryExpression)item).Operand.ToString() == "DateTime.Now";
if (expression.Expression == null && !isDateTimeNow) if (expression.Expression == null && !isDateTimeNow)
{ {
@ -337,14 +342,14 @@ namespace SqlSugar
this.Expression = item; this.Expression = item;
this.Start(); this.Start();
parameter.IsAppendResult(); parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString())); this.Context.Result.Append(negateString + this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null; this.Context.Result.CurrentParameter = null;
} }
else if (expression.Expression is ConstantExpression || isDateTimeNow) else if (expression.Expression is ConstantExpression || isDateTimeNow)
{ {
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex; string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++; this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName)); parameter.Context.Result.Append(negateString + this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, ExpressionTool.GetMemberValue(expression.Member, expression))); this.Context.Parameters.Add(new SugarParameter(parameterName, ExpressionTool.GetMemberValue(expression.Member, expression)));
} }
else else
@ -355,7 +360,7 @@ namespace SqlSugar
this.Expression = expression; this.Expression = expression;
this.Start(); this.Start();
parameter.IsAppendResult(); parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString())); this.Context.Result.Append(negateString + this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null; this.Context.Result.CurrentParameter = null;
} }
} }