What is STRICT mode for my database?
Newer versions of MySQL enforce a greater number of rules relating to interacting with the database. This can cause issues for code which was created prior to these rules being enforced.
This issue generally won’t happen to modern unaltered vanilla Zen Carts; this happens most often when you modify the database schema but don’t upgrade the code to go with it.
Here’s an example:
you add a field called
orderstable to represent something the customer requested at checkout. The field is
NOT NULLbut with no default.
In prior versions of MySQL, this worked. Newer versions will fail saying
ERROR 1364 (HY000): Field 'gift_requested' doesn't have a default value
Happily, there’s a workaround for this issue. In your configure.php files, you can turn off the enforcement of strict rules.
Use the define
This can be considered the opposite of
DB_MYSQL_MODE will work in Zen Cart 1.5.5 and above.
In Zen Cart versions older than 1.5.5, you would need to do more extensive modification to interoperate with newer versions of MySQL. Hopefully you are not doing this!
You should really upgrade Zen Cart instead!
Also note that turning on STRICT mode should be a temporary work around. The correct solution for the longer term is to update your code. In this case, there are two options:
a) Modify the database:
ALTER TABLE orders MODIFY COLUMN gift_requested char(1) NOT NULL default 'N';
b) Modify your code: when you perform an
INSERT into the orders table, add
gift_requested to the list of fields being updated so that it will have a value.
STRICT is not the same as
strict error reporting.
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