lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-09-18 17:48:11 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

-

Browse Source
This commit is contained in:
sunkaixuan
2017-07-14 01:42:25 +08:00
parent 7f9b3a8f68
commit d86a08e208
3 changed files with 20 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
View File

@@ -122,14 +122,17 @@ namespace OrmTest.Demo
var list2 = db.Queryable<Student>()
.GroupBy(it => new { it.Id, it.Name }).Having(it => SqlFunc.AggregateAvg(it.Id) > 0)
.Select(it => new { idAvg = SqlFunc.AggregateAvg(it.Id), name = it.Name }).ToList();
//SQL:
//SELECT AVG([Id]) AS[idAvg], [Name] AS[name] FROM[Student] GROUP BY[Name],[Id] HAVING(AVG([Id]) > 0 )
// group id,name take first
var list3 = db.Queryable<Student>()
.PartitionBy(it => new { it.Id, it.Name }).Take(1).ToList();
int count = 0;
//SQL:
//SELECT AVG([Id]) AS[idAvg], [Name] AS[name] FROM[Student] GROUP BY[Name],[Id] HAVING(AVG([Id]) > 0 )
var list4 = db.Queryable<Student>()
.PartitionBy(it => new { it.Id, it.Name }).Take(1).ToPageList(2,3,ref count);
//SqlFunc.AggregateSum(object thisValue)
//SqlFunc.AggregateAvg<TResult>(TResult thisValue)

6
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
View File

@@ -470,8 +470,11 @@ namespace SqlSugar
QueryBuilder.ExternalPageIndex = pageIndex;
QueryBuilder.ExternalPageSize = pageSize;
}
else
{
QueryBuilder.Skip = (pageIndex - 1) * pageSize;
QueryBuilder.Take = pageSize;
}
return ToDataTable();
}
public virtual DataTable ToDataTablePage(int pageIndex, int pageSize, ref int totalNumber)
@@ -493,8 +496,11 @@ namespace SqlSugar
QueryBuilder.ExternalPageIndex = pageIndex;
QueryBuilder.ExternalPageSize = pageSize;
}
else
{
QueryBuilder.Skip = (pageIndex - 1) * pageSize;
QueryBuilder.Take = pageSize;
}
return ToList();
}
public virtual List<T> ToPageList(int pageIndex, int pageSize, ref int totalNumber)

7
Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
View File

@@ -241,8 +241,11 @@ namespace SqlSugar
sql.AppendFormat(SqlTemplate, GetSelectValue, GetTableNameString, GetWhereValueString, GetGroupByString + HavingInfos, (!isRowNumber && this.OrderByValue.IsValuable()) ? GetOrderByString : null);
sql.Replace("{$:OrderByString:$}", isRowNumber ? (this.IsCount ? null : rowNumberString) : null);
if (IsCount) { return sql.ToString(); }
return ToPageSql(sql.ToString(),this.Take,this.Skip);
var result= ToPageSql(sql.ToString(),this.Take,this.Skip);
if (ExternalPageIndex > 0) {
result = ToPageSql(result,(ExternalPageIndex-1)*ExternalPageSize,ExternalPageSize);
}
return result;
}
protected virtual string ToPageSql(string sql,int? take,int? skip)