THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
Should use thread pool or std future or promise to do this.
7. Never add enum definition in the middle of the existing thrift definition.
During upgrade, doris's policy is to upgrade BE and then upgrade FE to do rolling upgrade. If we add a enum definition in the middle of the Enum Type, then the id order
will be different between FE and BE. I will cause exception or core.