waku/persistence/sqlite/migrations/sql/5_nwaku_schema.down.sql
ALTER TABLE message RENAME TO message_old;
DROP INDEX i_ts;
DROP INDEX i_query;
CREATE TABLE message (
id BLOB,
receiverTimestamp INTEGER NOT NULL,
senderTimestamp INTEGER NOT NULL,
contentTopic BLOB NOT NULL,
pubsubTopic BLOB NOT NULL,
payload BLOB,
version INTEGER NOT NULL DEFAULT 0,
CONSTRAINT messageIndex PRIMARY KEY (id, pubsubTopic)
) WITHOUT ROWID;
CREATE INDEX message_senderTimestamp ON message(senderTimestamp);
CREATE INDEX message_receiverTimestamp ON message(receiverTimestamp);
CREATE INDEX i_msg_1 ON message(contentTopic ASC, pubsubTopic ASC, senderTimestamp ASC, id ASC);
CREATE INDEX i_msg_2 ON message(contentTopic DESC, pubsubTopic DESC, senderTimestamp DESC, id DESC);
INSERT INTO message(id, receiverTimestamp, senderTimestamp, contentTopic, pubsubTopic, payload, version)
SELECT id, storedAt, timestamp, contentTOpic, pubsubTopic, payload, version
FROM message_old;
DROP TABLE message_old;