SQL Table data source error
I mentioned this in the other open issue, and I believe you may have an ongoing development issue for this. But I tried using the SQL Table option for a Data Source. I put in civicrm_contact (an existing table). When I go to join it to another table, I get the "Unable to reach server" error. See screenshot. Just hoping this may help debug something. Would love to use SQL Tables so I can write complex views in MySQL and just use those as a Data Source.