CREATE TABLE dtb_mobile_kara_mail (
    kara_mail_id serial PRIMARY KEY,
    session_id text NOT NULL,
    token text NOT NULL,
    next_url text NOT NULL,
    create_date timestamp NOT NULL DEFAULT now(),
    email text,
    receive_date timestamp
);

CREATE INDEX dtb_mobile_kara_mail_token_key ON dtb_mobile_kara_mail (token(64));
CREATE INDEX dtb_mobile_kara_mail_create_date_key ON dtb_mobile_kara_mail (create_date);
CREATE INDEX dtb_mobile_kara_mail_receive_date_key ON dtb_mobile_kara_mail (receive_date);