From: Jan Szejko <janek37@gmail.com>
Date: Mon, 26 Feb 2018 14:05:06 +0000 (+0100)
Subject: add index on popularity count
X-Git-Url: https://git.mdrn.pl/wolnelektury.git/commitdiff_plain/03d4bd47acfcdc6444fdc689ceeb636c5a4e2cae?hp=03d4bd47acfcdc6444fdc689ceeb636c5a4e2cae

add index on popularity count
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