[GitHub] [incubator-iotdb] EJTTianYu commented on issue #983: Upgrade tool

[GitBox]

EJTTianYu commented on issue #983:
URL: https://github.com/apache/incubator-iotdb/pull/983#issuecomment-618367607


   I have used  generated v0.9.0's data dir to test the upgrade tool. However, 
when I 
   comment out the following line：
   `registerManager.register(UpgradeSevice.getINSTANCE());`
   in IoTDB.java, line 101. The query does not work anymore.


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