my @rels;
foreach my $relid (keys %rels) {
push(@rels, {
- remote_columns => $rels{$relid}{rcols},
- local_columns => $rels{$relid}{lcols},
+ remote_columns => [ grep defined, @{ $rels{$relid}{rcols} } ],
+ local_columns => [ grep defined, @{ $rels{$relid}{lcols} } ],
remote_table => $rels{$relid}->{tbl},
});
}