18 lines
555 B
PL/PgSQL
18 lines
555 B
PL/PgSQL
BEGIN;
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ALTER TABLE rtc_task
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ADD COLUMN credential_issued_at timestamptz NOT NULL DEFAULT now(),
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ADD COLUMN credential_expires_at timestamptz NOT NULL DEFAULT (now() + interval '5 minutes');
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UPDATE rtc_task rt
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SET credential_issued_at = rt.created_at,
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credential_expires_at = GREATEST(c.allocation_expires_at, rt.created_at + interval '1 second')
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FROM conversation c
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WHERE c.id = rt.conversation_id;
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ALTER TABLE rtc_task
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ADD CONSTRAINT rtc_credential_expiry_after_issue
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CHECK (credential_expires_at > credential_issued_at);
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COMMIT;
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