Adding unique() to an existing table in Supabase

Is it possible to add (table) => [unique().on(table.userId, table.division, table.week, table.year, table.sportId)] on an existing table? I just noticed that duplicate data has been entered into one of my tables from a form that's submitted on my site. I just realized it happened last year once and then again this year. LKooking at my schema I don't have a unique() for this particular table. Is it possible to add that and then run drizzle-kit generate followed by a drizzle-kit migrate to then add that? Will it mess anything up with the existing tabler?

Also, can I update an existing unique?
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