2017-08-31 12:06:56 +08:00
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class AddSlugIndexOnTopic < ActiveRecord::Migration[4.2]
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2017-08-25 01:33:25 +08:00
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def up
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execute 'CREATE INDEX idxTopicSlug ON topics(slug) WHERE deleted_at IS NULL AND slug IS NOT NULL'
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end
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def down
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execute 'DROP INDEX idxTopicSlug'
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end
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end
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