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循环时出现错误 column 'a' in 'where clause'
模块循环出错
{module letter_tag=$v.lower num=40 module=region}
Unknown column 'a' in 'where clause'
F:\phpstudy_pro\WWW\XunRuiCMS\dayrui\CodeIgniter\System\Database\MySQLi\Connection.php（292）
SELECT * FROM `dr_1_region` WHERE `dr_1_region`.`letter_tag` = "a" ORDER BY `dr_1_reg
SELECT * FROM `dr_1_region` WHERE `dr_1_region`.`letter_tag` ="a"SELECT * FROM `dr_1_region` WHERE `dr_1_region`.`letter_tag` ='a' 改成这样就能执行了不报错了我的mysql MySQL5.7.26的