Having works on the result table, not the source tables.
Since you did not select cnt, having can not examine it.

Maybe you ment 'where' instead of 'having' ?

\"Piotr Gapinski\" wrote:
> 
> small problems with query below...
> my fault?
> 
> mysql> desc poll_answer;
> +---------+-------------+------+-----+---------+-------+
> | Field   | Type        |Null  | Key | Default | Extra |
> +---------+-------------+------+-----+---------+-------+
> | poll_id | int(10)     |      |     | 0       |       |
> | cnt     | int(10)     |      |     | 0       |       |
> | answer  | varchar(60) |      |     |         |       |
> +---------+-------------+------+-----+---------+-------+
>  3 rows in set (0.00 sec)
> 
> mysql> select answer from poll_answer having cnt=1;
> ERROR 1054: Unknown column 'cnt' in 'having clause'
> 
> mysqladmin Ver 8.18 Distrib 3.23.35, for pc-linux-gnu on i686 -- Copyright
> (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
> This software comes with ABSOLUTELY NO WARRANTY.
> This is free software, and you are welcome to modify and redistribute it
> under the GPL license
> 
> Server version 3.23.35 Protocol version 10 Connection Localhost via UNIX
> socket UNIX socket /var/lib/mysql/mysql.sock Uptime:  3 days 10 hours 24
> min 20 sec
> 
> Threads: 1  Questions: 4192  Slow queries: 0  Opens: 116  Flush tables: 1
> Open tables: 23 Queries per second avg: 0.014
> 
> --
>   Piotr Gapinski mailto:[EMAIL PROTECTED]
> 
> ---------------------------------------------------------------------
> Before posting, please check:
>    http://www.mysql.com/manual.php   (the manual)
>    http://lists.mysql.com/           (the list archive)
> 
> To request this thread, e-mail <[EMAIL PROTECTED]>
> To unsubscribe, e-mail 
><[EMAIL PROTECTED]>
> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php

---------------------------------------------------------------------
Before posting, please check:
   http://www.mysql.com/manual.php   (the manual)
   http://lists.mysql.com/           (the list archive)

To request this thread, e-mail <[EMAIL PROTECTED]>
To unsubscribe, e-mail <[EMAIL PROTECTED]>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php

Reply via email to