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Asked: 2026-05-27T12:47:34+00:00

I have two TIMESTAMP fields in my user table that I want to update

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I have two TIMESTAMP fields in my user table that I want to update with the current timestamp, one when the row/account is created and the other every time a user logs in.

I am having trouble updating using:

UPDATE user SET last_login = NOW() WHERE id = 1

and

UPDATE user SET created = NOW() WHERE id = 1

The queries are not having any affect. I’m thinking this is an issue with the table setup and have tried many different options.

1 is the id of the user and is hardcoded for this example. I have also tried hardcoding the value in my code and checking to make sure my code reaches the query. Still no dice.

Any ideas what I should set my table fields to?

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1 Answer

  1. Editorial Team

    Be aware that TIMESTAMP columns can be set to update automatically, thus overriding your manual changes:

    The TIMESTAMP data type offers automatic initialization and updating.
    You can choose whether to use these properties and which column should
    have them:

    http://dev.mysql.com/doc/refman/5.5/en/timestamp.html

    Make sure you haven’t enabled any of these properties (or switch to another data type that does not have such features).

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