Re: ALTER TABLE - code not working.
| From: | David Robley | Date: | Fri, 30 Mar 2001 00:31:43 +0000 |
| Subject: | Re: ALTER TABLE - code not working. | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-46196@lists.php.net to get a copy of this message | ||
On Thu, 29 Mar 2001 21:18, Martin E. Koss wrote:
> I have been trying to get a new column added to a table (vips) via a
> PHP script, but having exhausted all the things I can find, I'm still
> struggling. I've referred to TFM for all those who just can't wait to
> tell me
> to do so, and I believe my SQL statement is correct:
>
> $NewCol = $Prod_Code;
> $defaultvalue = "0.00";
> // make usual connection
> $conID = mysql_pconnect ("localhost","admin","mek1233");
> mysql_select_db("FocusDynamics", $conID);
> // set the query
> // According to the mySQL manual:
> // ALTER TABLE vips ADD column_name FLOAT (11,2) DEFAULT '0.00'
> // So I used:
> $AddColQuery = "ALTER TABLE vips ADD $NewCol FLOAT (11,2) DEFAULT
> '0.00'"; $result = mysql_query ($AddColQuery,$conID);
> // now set the default value for all rows in vips table
> $SetDefault = "UPDATE TABLE vips SET $NewCol=$defaultvalue";
> $result = mysql_query ($SetDefault,$conID);
>
> It is NOT adding the column, and obviously not setting the default.
>
> Any help would be great, thanks.
>
> Martin.
Two things come to mind: echo your $AddColQuery to ensure you are getting
what you hope you are getting :-) and use mysql_error() after you run
mysql_query on your query, to see if there is an error message being
returned.
--
David Robley | WEBMASTER & Mail List Admin
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