UPDATE: instead of deeply nesting SQL result sets and then using modules like Data::DPath, Data::Path, Data::Diver to grok the results in nested Perl loops, I need to learn to force the database to run loops for me by using labeled CASE statements!

In reply to Re: creating a nested hash from an array of hash refs by metaperl
in thread creating a nested hash from an array of hash refs by metaperl

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