gmessages/database/upgrades/04-message-id-unique.sqlite.sql

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-- v4: Drop conversation ID from message primary key
-- transaction: off
PRAGMA foreign_keys = OFF;
BEGIN TRANSACTION;
CREATE TABLE message_new (
conv_id TEXT NOT NULL,
conv_receiver BIGINT NOT NULL,
id TEXT NOT NULL,
mxid TEXT NOT NULL,
mx_room TEXT NOT NULL,
sender TEXT NOT NULL,
timestamp BIGINT NOT NULL,
status jsonb NOT NULL,
PRIMARY KEY (conv_receiver, id),
CONSTRAINT message_portal_fkey FOREIGN KEY (conv_id, conv_receiver) REFERENCES portal(id, receiver) ON DELETE CASCADE,
CONSTRAINT message_mxid_unique UNIQUE (mxid)
);
INSERT INTO message_new (conv_id, conv_receiver, id, mxid, mx_room, sender, timestamp, status)
SELECT conv_id, conv_receiver, id, mxid, (SELECT mxid FROM portal WHERE id=conv_id AND receiver=conv_receiver), sender, timestamp, status
FROM message
WHERE status->>'type' NOT IN (101, 102, 103, 104, 105, 106, 107, 110, 111, 112, 113, 114);
DROP TABLE message;
ALTER TABLE message_new RENAME TO message;
CREATE INDEX message_conv_timestamp_idx ON message(conv_id, conv_receiver, timestamp);
CREATE TABLE reaction_new (
conv_id TEXT NOT NULL,
conv_receiver BIGINT NOT NULL,
msg_id TEXT NOT NULL,
sender TEXT NOT NULL,
reaction TEXT NOT NULL,
mxid TEXT NOT NULL,
PRIMARY KEY (conv_receiver, msg_id, sender),
CONSTRAINT reaction_message_fkey FOREIGN KEY (conv_receiver, msg_id) REFERENCES message(conv_receiver, id) ON DELETE CASCADE,
CONSTRAINT reaction_mxid_unique UNIQUE (mxid)
);
INSERT INTO reaction_new (conv_id, conv_receiver, msg_id, sender, reaction, mxid)
SELECT conv_id, conv_receiver, msg_id, sender, reaction, mxid
FROM reaction;
DROP TABLE reaction;
ALTER TABLE reaction_new RENAME TO reaction;
PRAGMA foreign_key_check;
COMMIT;
PRAGMA FOREIGN_KEYS = ON;