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sunkaixuan 2019-05-25 07:35:37 +08:00
parent b89c05d2bc
commit fb2eeaf171
3 changed files with 3 additions and 0 deletions
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1
Src/Asp.Net/MySqlTest/Demo/Demo1_Queryable.cs
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@ -41,6 +41,7 @@ namespace OrmTest
var getByWhere = db.Queryable<Order>().Where(it => it.Id == 1 || it.Name == "a").ToList(); var getByWhere = db.Queryable<Order>().Where(it => it.Id == 1 || it.Name == "a").ToList();
var getByWhere2 = db.Queryable<Order>().Where(it => it.Id == DateTime.Now.Year).ToList(); var getByWhere2 = db.Queryable<Order>().Where(it => it.Id == DateTime.Now.Year).ToList();
var getByFuns = db.Queryable<Order>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList(); var getByFuns = db.Queryable<Order>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
var getByFuns2 = db.Queryable<Order>().GroupBy(it=>it.Name).Select(it=>SqlFunc.AggregateDistinctCount(it.Price)).ToList();
Console.WriteLine("#### Examples End ####"); Console.WriteLine("#### Examples End ####");
} }

1
Src/Asp.Net/SqlServerTest/Demo/Demo1_Queryable.cs
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@ -41,6 +41,7 @@ namespace OrmTest
var getByWhere = db.Queryable<Order>().Where(it => it.Id == 1 || it.Name == "a").ToList(); var getByWhere = db.Queryable<Order>().Where(it => it.Id == 1 || it.Name == "a").ToList();
var getByWhere2 = db.Queryable<Order>().Where(it => it.Id == DateTime.Now.Year).ToList(); var getByWhere2 = db.Queryable<Order>().Where(it => it.Id == DateTime.Now.Year).ToList();
var getByFuns = db.Queryable<Order>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList(); var getByFuns = db.Queryable<Order>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
var getByFuns2 = db.Queryable<Order>().GroupBy(it => it.Name).Select(it => SqlFunc.AggregateDistinctCount(it.Price)).ToList();
Console.WriteLine("#### Examples End ####"); Console.WriteLine("#### Examples End ####");
} }

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Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
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@ -101,6 +101,7 @@ namespace SqlSugar
public static TResult AggregateMin<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); } public static TResult AggregateMin<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); }
public static TResult AggregateMax<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); } public static TResult AggregateMax<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); }
public static int AggregateCount<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); } public static int AggregateCount<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); }
public static int AggregateDistinctCount<TResult>(TResult thisValue) { throw new NotSupportedException("Can only be used in expressions"); }
public static TResult MappingColumn<TResult>(TResult oldColumnName,string newColumnName) { throw new NotSupportedException("Can only be used in expressions"); } public static TResult MappingColumn<TResult>(TResult oldColumnName,string newColumnName) { throw new NotSupportedException("Can only be used in expressions"); }
/// <summary> /// <summary>
///Example: new NewT(){name=SqlFunc.GetSelfAndAutoFill(it)} Generated SQL it.* ///Example: new NewT(){name=SqlFunc.GetSelfAndAutoFill(it)} Generated SQL it.*