password cast to string (#2983)
password cast to string (#2983)

If password only contains number, it must be surrounded by quotes, otherwise the pymysql will raise an error. So I cast it to a string to avoid misunderstanding. Or leave it alone to let the user to determine when to use a string? Just my personal opinion.
cberry777/dd-agent,manolama/dd-agent,manolama/dd-agent,Wattpad/dd-agent,takus/dd-agent,cberry777/dd-agent,manolama/dd-agent,jyogi/purvar-agent,cberry777/dd-agent,Wattpad/dd-agent,jyogi/purvar-agent,jyogi/purvar-agent,Wattpad/dd-agent,Wattpad/dd-agent,takus/dd-agent,jyogi/purvar-agent,Wattpad/dd-agent,cberry777/dd-agent,manolama/dd-agent,jyogi/purvar-agent,cberry777/dd-agent,takus/dd-agent,manolama/dd-agent,takus/dd-agent,takus/dd-agent