问CodeIgniter 3.0.0 where_not_in仅为查询中的一列生成`NOT`ENCodeigniter框架提供了实现多个应用Application的方法，如参考资料[2]中描述的，这种方法实际上是在网站目录下存在多个入口文件和Application文件夹的方式。这种方式实现有个缺点，加入我做了一个应用放在Application下，同时为这个应用做了一个后台放在Admin文件夹下，实际上Model里的模块是可以共...
问Codeigniter -选择id不在的地方(另一个查询结果)EN回想这几年，就遇到的人和事情而言，有一些触动的...
->where_in('id',[Math Processing Error]ids);−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−ids是一个数组 ->where_not_in('id',$ids);---与上对立 $array = array('name !=' => $name, 'id...
->where() 支持将任何字符串传递给它,它将在查询中使用它。你可以试试这个:$this->db->select('*')->from('certs');$this->db->where('`id` NOT IN (SELECT `id_cer` FROM `revokace`)', NULL, FALSE);在,NULL,FALSE在where()告诉笨不要逃避...
Generates a WHERE field NOT IN ('item', 'item') SQL query joined with OR if appropriate$names = array('Frank', 'Todd', 'James'); $this->db->or_where_not_in('username', $names); // Produces: OR username NOT IN ('Frank', 'Todd', 'James')...
<?php $names = ['Frank', 'Todd', 'James']; $builder->whereIn('username', $names); // Produces: WHERE username IN ('Frank', 'Todd', 'James') You can use subqueries instead of an array of values:<?php // With closure use CodeIgniter\Database\BaseBuilder; $builder->whereIn('...
The default value indicates what will be used if you do not specify that preference.PreferenceDefault ValueOptionsDescription upload_path None None The path to the folder where the upload should be placed. The folder must be writable and the path can be absolute or relative. allowed_types None...
('张三','男','1971-10-01');12修改记录:updatenamesetbirthday='1971-01-10'whereuname='张三';13删除记录:deletefromnamewhereuname='张三';14删除表:droptable表名;15删除库:dropdatabase库名;16备份数据库:mysqldump-u root-p--opt 数据库名>备份名; //进入到库目录17恢复数据库:mysql-u root-p ...
Always use single quoted strings unless you need variables parsed, and in cases where you do need variables parsed, use braces to prevent greedy token parsing. You may also use double-quoted strings if the string contains single quotes, so you do not have to use escape characters. ...
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