Question

for a basic SQL command via PHPMyAdmin in MySQL I want to select items more than 1 day old. I’m getting a basic error saying that there’s a SQL syntax error, but can’t tell what I’m doing wrong here:

COMMAND:

select *
from table_name
where column_name < Date_Add(day, -1, GetDate())
and user_id = 1
and column_name <> '0000-00-00 00:00:00'

ERROR:

#1064 - You have an error in your SQL syntax; check the manual for the right syntax to use near '-1, GetDate()) and user_id = 1 and column_name <> '0000-00-00 00:00:00' LIMI' at line 3

Any clues? Thx!!

Answer 1

I was thinking the syntax here is DATE_ADD.

Ok here is from the 5.0 reference guide:

The DATE_ADD() function and its
synonym ADDDATE() allow you to add or
subtract an interval to the selected
date, date function or date constant.
DATE_SUB() and SUBDATE() work in the
same way but the interval specified is
subtracted. (If the interval was
negatvie DATE_SUB() makes it
positive).

mysql> SELECT NOW(), DATE_ADD(NOW(), INTERVAL 1 MONTH) \G
*************************** 1. row ***************************
                            NOW(): 2008-09-25 11:43:29
DATE_ADD(NOW(), INTERVAL 1 MONTH): 2008-10-25 11:43:29
1 row in set (0.00 sec)

Try using NOW() for the error.