13 lines
486 B
Ruby
13 lines
486 B
Ruby
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# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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# This migration comes from active_storage (originally 20180723000244)
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class AddForeignKeyConstraintToActiveStorageAttachmentsForBlobId < ActiveRecord::Migration[6.0]
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def up
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return if foreign_key_exists?(:active_storage_attachments, column: :blob_id)
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return if !table_exists?(:active_storage_blobs)
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add_foreign_key :active_storage_attachments, :active_storage_blobs, column: :blob_id
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end
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end
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