crates/server/migrations/0003_friendships.sql


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CREATE TABLE friendships (
    id TEXT PRIMARY KEY,
    requester_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    addressee_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    status TEXT NOT NULL CHECK (status IN ('pending', 'accepted')),
    created_at TEXT NOT NULL,
    UNIQUE (requester_id, addressee_id)
);

CREATE INDEX idx_friendships_requester ON friendships(requester_id);
CREATE INDEX idx_friendships_addressee ON friendships(addressee_id);