7 lines
377 B
SQL
7 lines
377 B
SQL
-- A second login identifier: phone (E.164), nullable and unique. Email becomes
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-- optional so phone-only accounts are possible; the "at least one identifier"
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-- rule is enforced in the application layer.
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ALTER TABLE users ALTER COLUMN email DROP NOT NULL;
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ALTER TABLE users ADD COLUMN IF NOT EXISTS phone text;
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ALTER TABLE users ADD CONSTRAINT users_phone_key UNIQUE (phone);
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