use strict;
use warnings;

our @Initial = (
    sub {
        # We do the delete in pure SQL because Attribute collections
        # otherwise attempt to hash everything in memory.  As this may
        # be a large list, do it directly.
        RT->DatabaseHandle->dbh->do(<<EOSQL);
            DELETE FROM Attributes
             WHERE (Name = 'LinkValueTo' OR Name = 'IncludeContentForValue')
               AND (LENGTH(Content) = 0 OR Content IS NULL)
EOSQL
    },
);