Every x NOT IN (a, b...) can be mapped to (x <> a) AND (x <> b) .... In your case it will result in 
SELECT * FROM my_table WHERE (id <> 12) AND (id <> 13 AND (id <> 17)

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As you are not typing the SQL statements, but generate it (actually using the power of SQL::Abstract), this way can be much easier than implementing NOT IN.

In reply to Re: SQL WHERE clauses with DBIx::Class, using NOT and IN by Ieronim
in thread SQL WHERE clauses with DBIx::Class, using NOT and IN by hrr

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