I'm using Laravel Excel from maatwebsite but i have a problem with export data to xls file. I have this query but i don't need to show all columns in the xls file but i need to select all this columns to do operations before download the file. In my select i have 8 columns but...
SELECT list is not in GROUP BY clause and contains nonaggregated column 'sns.sns_users.md_img' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode = only_full_group_by (SQL: select `sns_users` . `md_img` , `phone` , `sns_users` ....
SQLSTATE[42S22]：未找到列：1054“where clause”中的未知列“user_email”（SQL：select * from memb...
* Candy Methods *@methodstatic bool addAll($insert_data, $chunk_num = 2000) insert all(without events & timestamps) *@methodstatic $this|Builder createExistAttributes($data, $fill_fields = []) create without casts event & with filter *@method$this|Builder fillExistAttributes($data, $fill...
工作表事件的实现可能会相当混乱，很难找到例子，所以当我看到这样的帖子时，我试着伸出援手。首先，我...
"SQLSTATE[42S22]:Column not found: 1054 Unknown column 'messages.conversations_id' in 'where clause'(SQL: select * from `messages` where `messages`.`conversations_id` in (1, 2))", I can't seem to figure out where I've gone wrong. Improvement of code will ...
数据库查询构造器Builder定义了一组通用的,人性化的操作接口,来描述将要执行的SQL语句(见官方文档【数据库 - 查询构造器】一章。)在这一层提供的接口更接近SQL原生的使用方法,比如:where/join/select/insert/delete/update等,都很容易在数据库的体系内找到相应的操作或指令;EloquentBuilder是对Builder的再封装,Eloquent...
代码语言:javascript 复制 $form->select($column[,$label])->options([1=>'foo',2=>'bar','val'=>'Option name']);或者从api中获取选项列表: $form->select($column[,$label])->options('/api/users');其中api接口的格式必须为下面格式:[{"id":9,"text":"xxx"},{"id":21,"text":"xxx"}...
['column1' => 'value1']); // 在第二个连接中执行数据库操作 $connection2->table('table2')->update(['column2' => 'value2']); // 提交事务 $connection1->commit(); $connection2->commit(); } catch (\Exception $e) { // 出现错误,回滚事务 $connection1->rollback(); $con...
->first() Place the column "first" in the table (MySQL). ->from($integer) Set the starting value of an auto-incrementing field (MySQL / PostgreSQL). ->invisible() Make the column "invisible" to SELECT * queries (MySQL). ->nullable($value = true) Allow NULL values to be inserted ...