2016-08-08 22:02:17 +08:00
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class AddAttachmentWorkflowimgToExperiments < ActiveRecord::Migration
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def self.up
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2016-08-10 14:53:59 +08:00
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add_attachment :experiments, :workflowimg
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2016-08-08 22:02:17 +08:00
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end
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def self.down
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remove_attachment :experiments, :workflowimg
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end
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end
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