[Dbix-class] expressing IS NULL

[Len Jaffe]

In order to have an "AND mydate IS NULL" criterion as part of a query,
I ende dup having to chain a search_literal() on the end of a search()
becuase
every way I expressed it in the search() criteria hash, I ended up with
errors when
the string literal 'NULL' was bound to the column mydate.

Is there a way to express IS NULL inside search(), or is the practice to use
search_literal()?

Thanks
Len.

-- 
lenjaffe at jaffesystems.com
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