CREATE TABLE user_pad_favorites (
 user_id BIGINT NOT NULL,
 pad_id BIGINT NOT NULL,
 created_at VARCHAR(64) NOT NULL DEFAULT (CURRENT_TIMESTAMP),
 PRIMARY KEY (user_id, pad_id),
 CONSTRAINT fk_user_pad_favorites_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
 CONSTRAINT fk_user_pad_favorites_pad FOREIGN KEY (pad_id) REFERENCES pads(id) ON DELETE CASCADE,
 INDEX idx_user_pad_favorites_user_created (user_id, created_at)
) ENGINE=InnoDB;

CREATE TABLE user_note_favorites (
 user_id BIGINT NOT NULL,
 note_id BIGINT NOT NULL,
 created_at VARCHAR(64) NOT NULL DEFAULT (CURRENT_TIMESTAMP),
 PRIMARY KEY (user_id, note_id),
 CONSTRAINT fk_user_note_favorites_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
 CONSTRAINT fk_user_note_favorites_note FOREIGN KEY (note_id) REFERENCES notes(id) ON DELETE CASCADE,
 INDEX idx_user_note_favorites_user_created (user_id, created_at)
) ENGINE=InnoDB;