use strict;
use warnings;

our @Initial = (
    sub {
        # This upgrade step is identical to the 4.2.7 upgrade, but only
        # runs on Oracle because 4.2.7 was originally released with
        # flawed SQL which did not run on Oracle.
        return unless RT->Config->Get('DatabaseType') eq 'Oracle';
        RT->DatabaseHandle->dbh->do(<<EOSQL);
            DELETE FROM Attributes
             WHERE (Name = 'LinkValueTo' OR Name = 'IncludeContentForValue')
               AND (LENGTH(Content) = 0 OR Content IS NULL)
EOSQL
    },
);