eletrotupi / tcc/ api/prisma/migrations/20260930212941_unique_activation_code/migration.sql2f22c81cbb1594f660a5ff704a81f495413baf9b
702 B | 17 lines Raw
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-- Codes are issued for a five-minute window and are not unique today, so an
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-- existing database can hold the same code against several users. Keep the most
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-- recently issued holder of each code and clear the rest, together with their
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-- expiry, so a cleared user is reissued a code on their next login.
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UPDATE "users"
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SET "activation_code" = NULL,
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    "activation_code_expires_at" = NULL
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WHERE "activation_code" IS NOT NULL
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  AND "id" NOT IN (
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    SELECT DISTINCT ON ("activation_code") "id"
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    FROM "users"
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    WHERE "activation_code" IS NOT NULL
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    ORDER BY "activation_code", "updated_at" DESC
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  );
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-- CreateIndex
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CREATE UNIQUE INDEX "users_activation_code_key" ON "users"("activation_code");