forked from OpenNeo/impress
Matchu
fcf3292448
I'm not sure it's literally true that they were all built against Rails 3.2, but that's what it was at before we upgraded, and like. that's probably fine
22 lines
910 B
Ruby
22 lines
910 B
Ruby
class IndexClosetHangerQuery < ActiveRecord::Migration[3.2]
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def self.up
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# SELECT COUNT(DISTINCT `closet_hangers`.`id`) FROM `closet_hangers` INNER
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# JOIN `users` ON `users`.`id` = `closet_hangers`.`user_id` LEFT OUTER JOIN
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# `closet_lists` ON `closet_lists`.`id` = `closet_hangers`.`list_id` WHERE
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# `closet_hangers`.`owned` = XXX AND (`closet_hangers`.item_id = XXX) AND
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# ((`closet_hangers`.`list_id` IS NULL AND
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# `users`.`owned_closet_hangers_visibility` >= XXX OR
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# `closet_lists`.`visibility` >= XXX));
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# It's not a huge improvement over the association index, but it's nice to
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# be able to scan fewer rows for so little penalty, right?
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remove_index :closet_hangers, :item_id
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add_index :closet_hangers, [:item_id, :owned]
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end
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def self.down
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remove_index :closet_hangers, [:item_id, :owned]
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add_index :closet_hangers, :item_id
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end
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end
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