codeigniter中的update_batchCodeIgniter是一个轻量级的PHP开发框架,它提供了一套简单而优雅的工具和函数,帮助开发者快速构建Web应用程序。在CodeIgniter中,update_batch是一个数据库操作方法,用于批量更新数据库表中的多行数据。 update_batch方法的使用方式如下: ...
You can use,$this->db->update_batch($tblname,$data,'user_id');mysql认为可能还用到了唯一索引...
set_update_batch($key[, $value = ''[, $escape = NULL]]) Parameters: $key (mixed)– Field name or an array of field/value pairs $value (string)– Field value, if $key is a single field $escape (bool)– Whether to escape values and identifiers Returns: CI_DB_query_builder instanc...
$this->db->update(); 根据你提供的数据生成并执行一条update(更新)语句。你可以将一个数组或者对象传递给本函数。 $this->db->update_batch(); Generates an update string based on the data you supply, and runs the query. You can either pass an array or an object to the function. Here is a...
/*同更新多条一样不可循环去处理删除 如多条数据主键id都可得,循拼接成字符串 */ $string = '';//需先定义 foreach($someData as $key => $value){ $string .= "'" . $value['id']. "'," ; } $string = rtrim($string,','); $sql = "DELETE FROM xx WHERE id in ? "; $this-...
我们也可以进行批量插入,这个时候我们可以使用insert_batch()方法,它的第一个参数也是一个表名,第二个参数可以是一个多维数组。代码范例如下: 这里表示成功插入的行数 对于查询数据来说,则有比较多的方法,下面是几个常用的方法: (1)from()表示选择的表 ...
$this->Model->find()->where('id', 123)->update('table', ['status'=>'off']);batchUpdate()Update a batch of update queries into combined query strings.public integer batchUpdate(array $dataSet, boolean $withAll=false, interger $maxLength=4*1024*1024, $runValidation=true)Example:$...
$this->db->update_batch(); Generates an update string based on the data you supply, and runs the query. You can either pass an array or an object to the function. Here is an example using an array: 删除数据 $this->db->delete(); ...
fix: $builder->ignore()->insertBatch() only ignores on first iteration by @kenjis in #5672 fix: app/Config/Routes.php is loaded twice on Windows by @kenjis in #5780 fix: table name is double prefixed when LIKE clause by @kenjis in #5778 ...
->insert_batch('tableName',$data);---往表中插入多条记录 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 八、更新 $data = array( 'title' => 'My title', 'name'=>'My name', ); 1. 2. 3. 4. ->...