Machine #1 ( used for initial testing )
						   |-----------------------------|---------------------------|------------------------------|
                           | no placeholders no results  | placeholders with results | placeholders with no results |
                           |-----------------------------|---------------------------|------------------------------|
not specifying a TDS level | empty array                 | array of result hashes    | empty array                  |
                           |-----------------------------|---------------------------|------------------------------|
specifying a TDS level     | empty array                 | array of result hashes    | (application hangs)          |
                           |-----------------------------|---------------------------|------------------------------|

Machine #2 ( used for "Steps to reproduce on Ubuntu 20.04" in original post )
						   |-----------------------------|---------------------------|------------------------------|
                           | no placeholders no results  | placeholders with results | placeholders with no results |
                           |-----------------------------|---------------------------|------------------------------|
not specifying a TDS level | (connection fails)          | (connection fails)        | (connection fails)           |
                           |-----------------------------|---------------------------|------------------------------|
specifying a TDS level     | empty array                 | array of result hashes    | (application hangs)          |
                           |-----------------------------|---------------------------|------------------------------|