troubleshooting Question

Query Help - if(s.user_id <> NULL, 1, 0) not working as expected

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dsrnu asked on
PHPMySQL Server
3 Comments2 Solutions291 ViewsLast Modified:
I'm trying to make s.user_id return 1 if it's not null, otherwise return 0.. but my code below seems to be returning all zeroes.. any ideas?
'SELECT u.id AS user_id, u.username, if(s.user_id <> NULL, 1, 0) AS is_seller FROM ' . $this->user_table_name . ' u LEFT JOIN ' . $this->seller_table_name . ' s ON u.id=s.user_id'
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