Github user JamesRTaylor commented on the issue:
https://github.com/apache/phoenix/pull/295
I think it's ok to make these changes. Not a problem to make DO_NOT_UPGRADE
public if need be. Feel free to add new arguments if necessary to
ensureTableCreated. I think any special logic around SYSTEM.CATALOG or
SYSTEM:CATALOG is ok as long as it's isolated.---
