-- drop unique constraint for motion by specific voter from votes
CREATE TABLE votes_new
(
    decision INTEGER  NOT NULL,
    voter    INTEGER  NOT NULL,
    vote     INTEGER  NOT NULL,
    voted    DATETIME NOT NULL,
    notes    TEXT     NOT NULL DEFAULT ''
);

INSERT INTO votes_new (decision, voter, vote, voted, notes)
SELECT decision, voter, vote, voted, notes
FROM votes;

DROP TABLE votes;
ALTER TABLE votes_new RENAME TO votes;