13 lines
385 B
Ruby
13 lines
385 B
Ruby
class AddTimestampsToItems < ActiveRecord::Migration
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def self.up
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add_timestamps :objects
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timestamp_query = "(SELECT created_at FROM contributions WHERE contributed_id = objects.id AND contributed_type = 'Item')"
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update "UPDATE objects SET created_at = #{timestamp_query}, updated_at = #{timestamp_query}"
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end
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def self.down
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remove_timestamps :objects
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end
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end
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