14 lines
455 B
Ruby
14 lines
455 B
Ruby
# This migration comes from active_storage (originally 20180723000244)
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class AddForeignKeyConstraintToActiveStorageAttachmentsForBlobId <
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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 unless table_exists?(:active_storage_blobs)
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add_foreign_key :active_storage_attachments,
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:active_storage_blobs,
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column: :blob_id
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end
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end
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