syntax error near ".cluster_info group by first_ep;

[studyinhub]

Object
request:Object
url:"api/datasources/proxy/1/sql"
data:"select last(first_ep) from .cluster_info group by first_ep;"
method:"POST"
hideFromInspector:false
response:Object
code:9728
desc:"syntax error near ".cluster_info group by first_ep;""

[sunpe]

There are error in your sql near .cluster_info. Please check your table name. And you should special db name, such as 'db.table_name'