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Order by new expression

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610262374@qq.com 2018-12-21 12:55:37 +08:00
parent f192e68817
commit 719cc8d136
2 changed files with 14 additions and 3 deletions
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1
Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
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@ -321,6 +321,7 @@ namespace OrmTest.Demo
var dbTime = db.GetDate(); var dbTime = db.GetDate();
var getAll = db.Queryable<Student>().Select<object>("*").ToList(); var getAll = db.Queryable<Student>().Select<object>("*").ToList();
var getAll2 = db.Queryable<Student>().ToList(); var getAll2 = db.Queryable<Student>().ToList();
var getAll3 = db.Queryable<Student>().OrderBy(it => new { it.Id, it.Name }).GroupBy(it => new { it.Id, it.Name }).Select<object>("id").ToList();
var getRandomList = db.Queryable<Student>().OrderBy(it => SqlFunc.GetRandom()).ToList(); var getRandomList = db.Queryable<Student>().OrderBy(it => SqlFunc.GetRandom()).ToList();
var getAllOrder = db.Queryable<Student>().OrderBy(it => it.Id).OrderBy(it => it.Name, OrderByType.Desc).ToList(); var getAllOrder = db.Queryable<Student>().OrderBy(it => it.Id).OrderBy(it => it.Name, OrderByType.Desc).ToList();
var getId = db.Queryable<Student>().Select(it => it.Id).ToList(); var getId = db.Queryable<Student>().Select(it => it.Id).ToList();

16
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
View File

@ -1006,9 +1006,19 @@ namespace SqlSugar
{ {
QueryBuilder.CheckExpression(expression, "OrderBy"); QueryBuilder.CheckExpression(expression, "OrderBy");
var isSingle = QueryBuilder.IsSingle(); var isSingle = QueryBuilder.IsSingle();
var lamResult = QueryBuilder.GetExpressionValue(expression, isSingle ? ResolveExpressType.FieldSingle : ResolveExpressType.FieldMultiple); if ((expression as LambdaExpression).Body is NewExpression)
OrderBy(lamResult.GetResultString() + UtilConstants.Space + type.ToString().ToUpper()); {
return this; var lamResult = QueryBuilder.GetExpressionValue(expression, isSingle ? ResolveExpressType.ArraySingle : ResolveExpressType.ArrayMultiple);
var items = lamResult.GetResultString().Split(',').Where(it => it.HasValue()).Select(it=> it + UtilConstants.Space + type.ToString().ToUpper()).ToList();
OrderBy(string.Join(",",items));
return this;
}
else
{
var lamResult = QueryBuilder.GetExpressionValue(expression, isSingle ? ResolveExpressType.FieldSingle : ResolveExpressType.FieldMultiple);
OrderBy(lamResult.GetResultString() + UtilConstants.Space + type.ToString().ToUpper());
return this;
}
} }
protected ISugarQueryable<T> _GroupBy(Expression expression) protected ISugarQueryable<T> _GroupBy(Expression expression)
{ {