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Laravel query builder 使用需求紀錄
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| --------------------------------- | |
| 輸出欄位的 distinct 值 | |
| (1) $output = DB::table('table_name')->distinct()->get(array('column_name')) ; | |
| (2) $output = DB::table('table_name')->select([DB::row('DISTINCT(column_name)'), 'some_col as new_col'])->distinct()->get(); | |
| 備註:輸出欄位為 new_col | |
| --------------------------------- | |
| where 的 AND 和 OR 寫法 | |
| select id,mode FROM table_name WHERE id = 1 AND (mode = 1 OR mode = 3) | |
| $data = DB::table('table_name')->where('id','=',1)->where(function ($query) { | |
| $query->where('mode','=',1)->orWhere('mode','=',3) ; | |
| })->select('id','mode')->get() ; | |
| -------------------------------- | |
| 傳遞參數至閉包 closure function | |
| $filter = "string" ; | |
| $data = DB::table('table_name1')->join('table_name2', | |
| function($join) use ($filter){ | |
| $join->on('table_name1.id','=','table_name2.id')->where('table_name2.name','like','%'.$filter.'%'); | |
| } | |
| )->orderBy('table_name1.id','asc')->select('table_name1.id as key_value','table_name2.name as key_name')->take($limit)->get() ; | |
| -------------------------------- |
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