20 lines
740 B
MySQL
20 lines
740 B
MySQL
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CREATE TABLE instance (
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hostname VARCHAR(100) PRIMARY KEY
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);
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INSERT INTO instance
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SELECT DISTINCT split_part(acct, '@', 2)
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FROM actor_profile
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WHERE acct <> username;
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ALTER TABLE actor_profile
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ADD COLUMN hostname VARCHAR(100) REFERENCES instance (hostname) ON DELETE RESTRICT;
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UPDATE actor_profile
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SET hostname = split_part(acct, '@', 2)
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WHERE acct <> username;
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ALTER TABLE actor_profile
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ADD CONSTRAINT actor_profile_hostname_check CHECK ((hostname IS NULL) = (actor_json IS NULL));
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ALTER TABLE actor_profile
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DROP COLUMN acct;
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ALTER TABLE actor_profile
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ADD COLUMN acct VARCHAR(200) UNIQUE
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GENERATED ALWAYS AS (CASE WHEN hostname IS NULL THEN username ELSE username || '@' || hostname END) STORED;
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