+sub flush { # evil direct SQL
+ my $opt = shift;
+
+ if ( $opt->{'ratecenter'} =~ /^[\w\s]+$/
+ && $opt->{'state'} =~ /^[A-Z][A-Z]$/
+ && $opt->{'exportnum'} =~ /^\d+$/) {
+ my $sth = dbh->prepare('delete from phone_avail where exportnum = ? '.
+ ' and state = ? and name = ?');
+ $sth->execute($opt->{'exportnum'},$opt->{'state'},$opt->{'ratecenter'})
+ or die $sth->errstr;
+ }
+
+ '';
+}
+
+# Used by FS::Upgrade to migrate to a new database.
+sub _upgrade_data {
+ my ($class, %opts) = @_;
+
+ warn "$me upgrading $class\n" if $DEBUG;
+
+ my $sth = dbh->prepare(
+ 'UPDATE phone_avail SET svcnum = NULL
+ WHERE svcnum IS NOT NULL
+ AND 0 = ( SELECT COUNT(*) FROM svc_phone
+ WHERE phone_avail.svcnum = svc_phone.svcnum )'
+ ) or die dbh->errstr;
+
+ $sth->execute or die $sth->errstr;
+
+}
+