nyanoblog/migrations/20221211175753_create_likes.sql

CREATE TABLE likes (
    id BIGSERIAL PRIMARY KEY,
    iri VARCHAR,
    note_id BIGINT REFERENCES notes (id) ON DELETE CASCADE,
    account_id BIGINT REFERENCES accounts (id) ON DELETE CASCADE,
    created_at TIMESTAMP NOT NULL DEFAULT now()
);

CREATE UNIQUE INDEX index_likes_on_iri ON likes (iri);
CREATE UNIQUE INDEX index_likes_on_note_id_and_account_id ON likes (note_id, account_id);