CREATE TABLE notes (
    id BIGSERIAL PRIMARY KEY,
    account_id BIGINT REFERENCES accounts (id),
    iri VARCHAR,
    content TEXT NOT NULL,
    source TEXT DEFAULT NULL,
    content_type VARCHAR DEFAULT NULL,
    summary TEXT DEFAULT NULL,
    sensitive BOOLEAN NOT NULL DEFAULT FALSE,
    created_at TIMESTAMP NOT NULL DEFAULT now(),
    updated_at TIMESTAMP NOT NULL DEFAULT now()
);

CREATE INDEX index_notes_on_account_id ON notes (account_id);
CREATE UNIQUE INDEX index_notes_on_iri ON notes (iri);
CREATE INDEX index_notes_on_created_at ON notes (created_at);