If you already have a $dbh open in your app, then pass it in to all the methods instead of passing it into the object's constructor. Why should the object know about the $dbh if you don't ever want to serialize it?
My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In reply to Re^5: Never use Storable to save XS objects by dragonchild
in thread Never use Storable to save XS objects by Jouke

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