25 lines
582 B
Ruby
25 lines
582 B
Ruby
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# frozen_string_literal: true
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class FixTopicLikeCountIncludingWhispers < ActiveRecord::Migration[6.0]
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def up
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whisper_post_type = 4
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DB.exec(<<~SQL)
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UPDATE topics SET like_count = tbl.like_count
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FROM (
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SELECT topic_id, SUM(like_count) like_count
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FROM posts
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WHERE deleted_at IS NULL
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AND post_type <> #{whisper_post_type}
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GROUP BY topic_id
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) AS tbl
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WHERE topics.id = tbl.topic_id
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AND topics.like_count <> tbl.like_count
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SQL
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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