0419

类没有及时部署进去.修改一下类,保存.
svn update不成功,可能新加了包的层次.从新加的包开始更新.
db2 value()在第一个参数为null的时候返回第二个参数的值
SELECT value((SELECT u.receive_frequency
              FROM   e2exlation.user_mail_config u
              WHERE  u.user_id = 224
              AND    u.group_code = dmc.group_code),
             dmc.receive_frequency) receive_frequency
FROM   e2exlation.default_mail_config dmc
WHERE  dmc.group_code = (SELECT value((SELECT umc.group_code
                                       FROM   e2exlation.user_message_code umc
                                       WHERE  umc.user_id= 224
                                       AND    umc.message_code='PRO_CLOSE'), mc.group_code) group_code
                         FROM   e2exlation.message_code mc
                         WHERE  mc.message_code = 'PRO_CLOSE')