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Re: WebFetch::PerlMonks

by mirod (Canon)
on Jun 02, 2001 at 09:36 UTC ( #85164=note: print w/replies, xml ) Need Help??


in reply to WebFetch::PerlMonks

I am afraid you have the usual XML::Parser problem: the Char handler does not garantee that it will return the entire content of an element at once: it can be called several times for a single string, depending on entities being present and on the overall length of the document.

So if one of the title includes an entity, as in "I Love B &D Perl", the char handler will be called 3 times: once with 'I Love B', once with '&' and once with 'D Perl', and you will only get the last part in $post->{title}.

The solution in this case is simply to replace $post->{'title'} = $title; by $post->{'title'} .= $title;, but look for a more generic solution in the review.

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[Corion]: Hmmm. I feel a Meditation coming on. I wrote a module, DBIx::PivotQuery, which returns a table-like set of rows (AoA) but some columns are generated from column values, like in an (Excel) pivot table or a ROLLUP command
[Corion]: My current approach for subtotals involves rerunning the given query, with the hint to the user that they should use a temporary table if they want better performance.
[Corion]: But I could create that temporary table in the module and use it for the improved perfomance directly instead.
[Corion]: And the question is, what would be better/preferred ;-)
[Corion]: Hmm - not exactly like the ROLLUP command. Ah well.

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