也许我有一个解决Jan Koritak指出的矛盾的方法

SELECT CONCAT('SELECT ',
( SELECT GROUP_CONCAT(t.col)
FROM
(
    SELECT CASE
    WHEN COLUMN_NAME = 'eid' THEN NULL
    ELSE COLUMN_NAME
    END AS col 
    FROM INFORMATION_SCHEMA.COLUMNS 
    WHERE TABLE_NAME = 'employee' AND TABLE_SCHEMA = 'test'
) t
WHERE t.col IS NOT NULL) ,
' FROM employee' );

表:

SELECT table_name,column_name 
FROM INFORMATION_SCHEMA.COLUMNS 
WHERE TABLE_NAME = 'employee' AND TABLE_SCHEMA = 'test'

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

table_name  column_name
employee    eid
employee    name_eid
employee    sal

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

查询结果:

'SELECT name_eid,sal FROM employee'

如果您不想选择的列中有大量数据，并且由于速度问题而不想包括它，并且您经常选择其他列，那么我建议您使用一个通常不选择的字段创建一个新表，并从原始表中删除该字段。当实际需要额外字段时，将表连接起来。

如果愿意，可以使用SQL生成SQL，并对生成的SQL进行评估。这是一种通用的解决方案，因为它从信息模式中提取列名。下面是一个Unix命令行的示例。

替换

MYSQL的MYSQL命令 带有表名的TABLE 包含排除字段名的EXCLUDEDFIELD

echo $(echo 'select concat("select ", group_concat(column_name) , " from TABLE") from information_schema.columns where table_name="TABLE" and column_name != "EXCLUDEDFIELD" group by "t"' | MYSQL | tail -n 1) | MYSQL

实际上，您只需要以这种方式提取列名一次，就可以构造排除该列的列列表，然后只需使用已构造的查询。

比如:

column_list=$(echo 'select group_concat(column_name) from information_schema.columns where table_name="TABLE" and column_name != "EXCLUDEDFIELD" group by "t"' | MYSQL | tail -n 1)

现在可以在构造的查询中重用$column_list字符串。

你可以:

SELECT column1, column2, column4 FROM table WHERE whatever

没有得到列3，尽管您可能在寻找一个更一般的解?

是的，尽管根据表的不同，I/O可能会很高，但我找到了一个解决方案。

SELECT *
INTO #temp
FROM table

ALTER TABLE #temp DROP COlUMN column_name

SELECT *
FROM #temp

我也想要这个，所以我创建了一个函数。

public function getColsExcept($table,$remove){
    $res =mysql_query("SHOW COLUMNS FROM $table");

    while($arr = mysql_fetch_assoc($res)){
        $cols[] = $arr['Field'];
    }
    if(is_array($remove)){
        $newCols = array_diff($cols,$remove);
        return "`".implode("`,`",$newCols)."`";
    }else{
        $length = count($cols);
        for($i=0;$i<$length;$i++){
            if($cols[$i] == $remove)
                unset($cols[$i]);
        }
        return "`".implode("`,`",$cols)."`";
    }
}

所以它的工作原理是，你输入表格，然后是你不想要的列或在数组中:array("id"，"name"，"whatevercolumn")

所以在select中你可以这样使用它:

mysql_query("SELECT ".$db->getColsExcept('table',array('id','bigtextcolumn'))." FROM table");

or

mysql_query("SELECT ".$db->getColsExcept('table','bigtextcolumn')." FROM table");