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synapse/synapse/storage/databases/main/schema/delta/22/user_threepids_unique.sql
2020-08-05 21:38:57 +01:00

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SQL

CREATE TABLE IF NOT EXISTS user_threepids2 (
user_id TEXT NOT NULL,
medium TEXT NOT NULL,
address TEXT NOT NULL,
validated_at BIGINT NOT NULL,
added_at BIGINT NOT NULL,
CONSTRAINT medium_address UNIQUE (medium, address)
);
INSERT INTO user_threepids2
SELECT * FROM user_threepids WHERE added_at IN (
SELECT max(added_at) FROM user_threepids GROUP BY medium, address
)
;
DROP TABLE user_threepids;
ALTER TABLE user_threepids2 RENAME TO user_threepids;
CREATE INDEX user_threepids_user_id ON user_threepids(user_id);