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Update subquery.avg

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sunkaixuan 2025-06-16 12:24:46 +08:00
parent cd2de3bf2c
commit 393d855346
1 changed files with 20 additions and 1 deletions
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21
Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubAvg.cs
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@ -43,7 +43,26 @@ namespace SqlSugar
public string GetValue(Expression expression = null) public string GetValue(Expression expression = null)
{ {
var exp = expression as MethodCallExpression; var exp = expression as MethodCallExpression;
return "AVG(" + SubTools.GetMethodValue(this.Context, exp.Arguments[0], ResolveExpressType.FieldSingle) + ")"; var argExp = exp.Arguments[0];
var parametres = (argExp as LambdaExpression).Parameters;
if ((argExp as LambdaExpression).Body is UnaryExpression)
{
argExp = ((argExp as LambdaExpression).Body as UnaryExpression).Operand;
}
var argLambda = argExp as LambdaExpression;
if (this.Context.InitMappingInfo != null && argLambda != null && argLambda.Parameters.Count > 0)
{
foreach (var item in argLambda.Parameters)
{
this.Context.InitMappingInfo(item.Type);
}
this.Context.RefreshMapping();
}
var result = "AVG(" + SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple) + ")";
var selfParameterName = Context.GetTranslationColumnName(parametres.First().Name) + UtilConstants.Dot;
if (this.Context.JoinIndex == 0)
result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));
return result;
} }
} }
} }