Fix: use key_as_string when available.
Fix: use key_as_string when available.

ninneko/redash,getredash/redash,getredash/redash,denisov-vlad/redash,alexanderlz/redash,EverlyWell/redash,imsally/redash,M32Media/redash,useabode/redash,useabode/redash,denisov-vlad/redash,easytaxibr/redash,crowdworks/redash,guaguadev/redash,ninneko/redash,crowdworks/redash,stefanseifert/redash,alexanderlz/redash,M32Media/redash,amino-data/redash,EverlyWell/redash,hudl/redash,rockwotj/redash,chriszs/redash,vishesh92/redash,stefanseifert/redash,hudl/redash,moritz9/redash,amino-data/redash,ninneko/redash,chriszs/redash,M32Media/redash,hudl/redash,44px/redash,guaguadev/redash,moritz9/redash,moritz9/redash,crowdworks/redash,rockwotj/redash,M32Media/redash,guaguadev/redash,moritz9/redash,44px/redash,vishesh92/redash,easytaxibr/redash,getredash/redash,chriszs/redash,denisov-vlad/redash,stefanseifert/redash,getredash/redash,amino-data/redash,stefanseifert/redash,EverlyWell/redash,alexanderlz/redash,rockwotj/redash,rockwotj/redash,hudl/redash,44px/redash,vishesh92/redash,stefanseifert/redash,crowdworks/redash,imsally/redash,easytaxibr/redash,chriszs/redash,guaguadev/redash,denisov-vlad/redash,useabode/redash,ninneko/redash,easytaxibr/redash,useabode/redash,guaguadev/redash,getredash/redash,imsally/redash,denisov-vlad/redash,44px/redash,EverlyWell/redash,alexanderlz/redash,vishesh92/redash,ninneko/redash,easytaxibr/redash,imsally/redash,amino-data/redash