Hi i am searching on a nullable has_one relation.
What is the solution to realize it?
Thank you.
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anybody an idea?
Hi melatonin,
AFAIK the has_one Relationship will populated with 0, not NULL.
But if you want to identify this with SQL, specifically MySQL, you can use...
SELECT * FROM MyTable WHERE MyField IS NULL;
OR
SELECT * FROM MyTable WHERE COALESCE(MyField,0) = 0
(COALESCE means it goes through all param left to right and returns the first param that is NOT NULL)
