in reply to Re^4: Problems Using Join in DBIx::Class
in thread Problems Using Join in DBIx::Class
The condition you want is
sent_mail is NOT ( null OR '0000-00-00' )
which by De Morgan's Laws is
sent_mail is ( NOT null AND NOT '0000-00-00' )
The rule is 'the complement of the union of two sets is the same as the intersection of their complements'
poj
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