查询平均值
$db->select_min('test')->from('db')->group_by('class_id')->get()->as_array();
Database Module_Database_QueryBuilder::select_min( string $conlumn )
参数列表
参数 类型 描述 默认值 $conlumn
string
$conlumn
Database
181182183184185186public
function
select_min(
$conlumn
)
{
$this
->select_adv(
$conlumn
,
'min'
);
return
$this
;
}