Hrm. I think you'll have to use string concatenation:
use constant DBNAME => "database_test";
...
my $dbh = DBI->connect('DBI:mysql:database=' . DBNAME, 'username', 'pa
+ssword')
or die "$0: can't connect to DB: " . DBI->errstr . "\n";
The optimizer is probably smart enough to do the concatenation at compile time since it's smart enough to do the function inlining...
bbfu
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