Re: adding to the current value
| From: | Justin Turner | Date: | Thu, 29 Sep 2005 21:13:09 +0000 |
| Subject: | Re: adding to the current value | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-40422@lists.php.net to get a copy of this message | ||
...now don't I feel foolish. Thanks for your help.
Hutchins, Richard wrote:
You do it by: UPDATE my_table set field_1 = field_1 - 1 [...add any where statements here] Bastien pretty much answered your question because the example you provided was, in theory, correct. Besides, unless you're messing with a production system, you could always just try out simple stuff like this on your own and see what happens. More fun that way anyhow. Rich -----Original Message----- From: Justin Turner [mailto:trnr@reslife.rochester.edu] Sent: Thursday, September 29, 2005 5:04 PM To: Bastien Koert Cc: php-db@lists.php.net Subject: Re: [PHP-DB] adding to the current value How can I do this? Bastien Koert wrote:-- ============================================== A. Justin Turner ResNet Coordinator University of Rochester 020 Gates Wing Susan B. Anthony Hall jt@reslife.rochester.eduyesFrom: Justin Turner <trnr@reslife.rochester.edu> To: php-db@lists.php.net Subject: [PHP-DB] adding to the current value Date: Thu, 29 Sep 2005 16:26:00 -0400 I would like to increment the current value of a field X without having to retrieve field X beforehand. Can I do this? Example: UPDATE my_table set field_1 = (current_field_value -1) WHERE...blah, blah, blah.... ============================================== A. Justin Turner -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php