Fix bug where trying to squashed subscribe to changes on an artificial table fails a sanity check.
Fix bug where trying to squashed subscribe to changes on an artificial table fails a sanity check.

robertjpayne/rethinkdb,eliangidoni/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,jmptrader/rethinkdb,jmptrader/rethinkdb,catroot/rethinkdb,bchavez/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,bpradipt/rethinkdb,catroot/rethinkdb,grandquista/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,jmptrader/rethinkdb,catroot/rethinkdb,eliangidoni/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,eliangidoni/rethinkdb,bchavez/rethinkdb,robertjpayne/rethinkdb,eliangidoni/rethinkdb,JackieXie168/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,jmptrader/rethinkdb,bpradipt/rethinkdb,catroot/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,JackieXie168/rethinkdb,bpradipt/rethinkdb,catroot/rethinkdb,eliangidoni/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,eliangidoni/rethinkdb,mbroadst/rethinkdb,grandquista/rethinkdb,JackieXie168/rethinkdb,jmptrader/rethinkdb,robertjpayne/rethinkdb,grandquista/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,mbroadst/rethinkdb,jmptrader/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,mbroadst/rethinkdb,jmptrader/rethinkdb,bchavez/rethinkdb,mbroadst/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,grandquista/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,eliangidoni/rethinkdb,mbroadst/rethinkdb,eliangidoni/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,grandquista/rethinkdb,eliangidoni/rethinkdb,jmptrader/rethinkdb,bpradipt/rethinkdb