CREATE OR REPLACE FUNCTION fn_ipaddr_to_PRovince (p_ipaddr NUMBER) RETURN VARCHAR2IS v_ret VARCHAR2 (100) := '';BEGIN BEGIN SELECT province INTO v_ret FROM ipdb WHERE start_ip <= p_ipaddr AND end_ip >= p_ipaddr AND ROWNUM = 1; EXCEPTION WHEN NO_DATA_FOUND THEN v_ret := ''; END; RETURN v_ret;EXCEPTION WHEN OTHERS THEN RAISE;END fn_ipaddr_to_province;/...BEGIN SELECT serverip INTO v_serverip FROM domainname WHERE province = fn_ipaddr_to_province (p_ip) AND ROWNUM = 1;EXCEPTION WHEN NO_DATA_FOUND THEN v_serverip := 'mp3.u-vv.com';END;......v_province := fn_ipaddr_to_province (p_ip);BEGIN INTO v_serverip FROM domainname WHERE province = v_province AND ROWNUM = 1;EXCEPTION WHEN NO_DATA_FOUND THEN v_serverip := 'default domain';END;...新闻热点
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