根据另一个表中的数据更新mysql表

Question

I would like to update a table in mySql with data from another table.

I have two tables "templates" and "notifications". The templates table is linked to the notifications table by a column called "event_id".

templates   notifications
id           id
event_id     global_id
     

I would like to update the templates table event_id with the id from the notifications table based on value templates.event_id = notifications.global_id.

I try something like this.. but it dose not work as I want.

          'UPDATE templates
          INNER JOIN notifications
              ON templates.event_id = notifications.id
          SET templates.event_id = notifications.id
          WHERE templates.site_id = ? AND notifications.global_id = ?';

Answer 1

Maybe something like this:

UPDATE templates
  JOIN notifications
    ON templates.site_id = ? AND notifications.global_id = ?
   SET templates.event_id = notifications.id
;