Fail query task properly even if error message is empty (#3499)
Fail query task properly even if error message is empty (#3499)


denisov-vlad/redash,alexanderlz/redash,denisov-vlad/redash,getredash/redash,denisov-vlad/redash,getredash/redash,getredash/redash,denisov-vlad/redash,getredash/redash,alexanderlz/redash,alexanderlz/redash,getredash/redash,denisov-vlad/redash,alexanderlz/redash