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Exponential controversy rank (#4872)
* Update utils.sql * add migration
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@ -8,7 +8,7 @@ CREATE FUNCTION r.controversy_rank (upvotes numeric, downvotes numeric)
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0
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0
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ELSE
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ELSE
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(
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(
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upvotes + downvotes) * CASE WHEN upvotes > downvotes THEN
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upvotes + downvotes) ^ CASE WHEN upvotes > downvotes THEN
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downvotes::float / upvotes::float
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downvotes::float / upvotes::float
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ELSE
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ELSE
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upvotes::float / downvotes::float
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upvotes::float / downvotes::float
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@ -0,0 +1,17 @@
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UPDATE
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post_aggregates
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SET
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controversy_rank = CASE WHEN downvotes <= 0
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OR upvotes <= 0 THEN
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0
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ELSE
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(upvotes + downvotes) * CASE WHEN upvotes > downvotes THEN
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downvotes::float / upvotes::float
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ELSE
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upvotes::float / downvotes::float
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END
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END
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WHERE
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upvotes > 0
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AND downvotes > 0;
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17
migrations/2024-07-01-014711_exponential_controversy/up.sql
Normal file
17
migrations/2024-07-01-014711_exponential_controversy/up.sql
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@ -0,0 +1,17 @@
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UPDATE
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post_aggregates
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SET
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controversy_rank = CASE WHEN downvotes <= 0
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OR upvotes <= 0 THEN
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0
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ELSE
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(upvotes + downvotes) ^ CASE WHEN upvotes > downvotes THEN
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downvotes::float / upvotes::float
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ELSE
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upvotes::float / downvotes::float
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END
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END
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WHERE
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upvotes > 0
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AND downvotes > 0;
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