The Ultimate Guide to High Availability with MariaDB

Comments - 0 not found in WHERE however value is 0

1 year, 3 months ago Ian Gilfillan
Re: 0 not found in WHERE however value is 0 [Answer]

The value of the expression (1 OR 0) is 1, which does not match your row.

The IN operator is basically a shorthand for a number of ORs using comma delimitation. I think what you are intending to do is something like:

SELECT count(*) FROM tblArtikelen where 
  ArtikelCode = 7 AND 
    (ArtikelIsVoorraad in (1,0) 
    OR ArtikelIsVoorraad in ('1','0') 
    OR ArtikelIsVoorraad in (TRUE,FALSE)
    );
 
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