mysql – 选择具有单个别名的多个列

什么是替代品

select table_name.* as colAlias from table_name

我认为这曾经用于5.5之前的MySQL.

解决方法:

SELECT CONCAT(col1,', ',col2,', ',col3) AS cols
    FROM table_name ORDER BY cols;

或者也

SELECT CONCAT(col1,' ',col2,' ',col3) AS cols
    FROM table_name ORDER BY cols;

标签：mysql,mysql-5-5
来源： https://codeday.me/bug/20190826/1725138.html