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popupdate: Avoid NULL entries in the popularity field

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The popularity field is declared as "NOT NULL" in the database schema.
Fix the popularity update query such that it uses a popularity of 0.0
instead of NULL for packages with no votes.

Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
This commit is contained in:
Lukas Fleischer 2016-03-01 08:45:46 +01:00
parent c23914fc1d
commit 4c15f02ecb
1 changed files with 1 additions and 1 deletions
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2
scripts/popupdate.py
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@ -22,7 +22,7 @@ cur.execute("UPDATE PackageBases SET NumVotes = (SELECT COUNT(*) FROM " +
"PackageVotes WHERE PackageVotes.PackageBaseID = PackageBases.ID)")
cur.execute("UPDATE PackageBases SET Popularity = (" +
"SELECT SUM(POWER(0.98, (UNIX_TIMESTAMP() - VoteTS) / 86400)) " +
"SELECT COALESCE(SUM(POWER(0.98, (UNIX_TIMESTAMP() - VoteTS) / 86400)), 0.0) " +
"FROM PackageVotes WHERE PackageVotes.PackageBaseID = " +
"PackageBases.ID AND NOT VoteTS IS NULL)")