Corion++ Sybase will fail if you finish an sth when there are unread results. You can override that by setting the syb_flush_finish attribute

  my $prod_dbh = DBI->connect_cached('DBI:Sybase:database','web_','web
+' {syb_flush_finish => 1})
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but that wouldn't be my recommendation. I find most cases of extracting data are better suited by using selectall_arrayref. Sure you lose the re-usability of prepared statements (I only used those if I'm in a loop) and you may have memory issues if the data being returned is huge but I find the vast majority of my use cases are better served by the simplicity of selectall_arrayref:

  my $parent_data = $prod_dbh->selectall_arrayref('select * from table
+ where id = ?', {Slice => {}}, $id );
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