Lengths of audio files powering Wikiradio stations

This query is marked as a draft This query has been published by Mahir256.

Note that any files whose lengths could not be determined by Commons on upload are excluded from the overall lengths printed.

SQL

select p.pl_title, sum(
  if(p.pl_title like '%.mp3',
     substring_index(
       substring_index(q.img_metadata,'"playtime_seconds";d:',-1),
       ";s:",1
     ),
     substring_index(
       substring_index(q.img_metadata,'"length";d:',-1),
       ";s:",1
     )
) as total_length
from metawiki_p.pagelinks p
join commonswiki_p.image q
on p.pl_title = q.img_name
where p.pl_from = 9917751;

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