|
UPDATE
|
|
post_aggregates
|
|
SET
|
|
controversy_rank = CASE WHEN downvotes <= 0
|
|
OR upvotes <= 0 THEN
|
|
0
|
|
ELSE
|
|
(upvotes + downvotes) * CASE WHEN upvotes > downvotes THEN
|
|
downvotes::float / upvotes::float
|
|
ELSE
|
|
upvotes::float / downvotes::float
|
|
END
|
|
END
|
|
WHERE
|
|
upvotes > 0
|
|
AND downvotes > 0;
|
|
|