On Jul 19, Scott R. Godin said:
I'd LIKE to be able to (I think) inherit from Subscriber::DB somehow for a
Subscriber::DB::CSV such that I can take the filtered request and
retrieve/output CSV-formatted records from the database..
I've already produced the code to do so in another command-line based script
(mysql2csv), thusly:
[snip]
I have a *fair* idea of how I'd modularize this, but I'm still unsure about
Subscriber::DB (as per my recent two responses to your post to the list) as to
whether I'd have Subscriber::DB::filter() return an $sth, or embed the $sth
inside the object and use further methods to loop over the results. (the end
result being I'm unsure as of yet how to go on.) :)
The filter() method of Subscriber::DB should act in whatever way is the
most natural to you. If it returns a statement handler, that saves you
the trouble of building an iterator class, or holding all the results in
memory at once. That sounds lazy[1] to me.
[1] as in, Laziness, Impatience, and Hubris, the three virtues of a Perl
programmer
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