10 lines
533 B
SQL
10 lines
533 B
SQL
alter table chat_memberships add column notification bool not null default false;
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alter table chat_memberships alter column notification drop default;
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alter table chat_memberships add column last_notified int;
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update chat_memberships a set last_notified=(select created_utc from chat_messages b where a.chat_id=b.chat_id order by created_utc desc limit 1);
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update chat_memberships set last_notified=0 where last_notified is null;
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alter table chat_memberships alter column last_notified set not null;
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drop table chat_notifications;
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