Len Jaffe wrote:
> 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.
That's because you didn't read the SQL::Abstract docs.
{ mydate => undef }
automatically gets translated to IS NULL.
{ mydate => { '!=', undef } }
automatically gets translated to IS NOT NULL.
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