Fix: datasource refresh schemas was broken
Fix: datasource refresh schemas was broken

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