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)          |
                           |-----------------------------|---------------------------|------------------------------|

##</code><code>##

DBI connect('server=172.28.79.294','machinename',...) failed: OpenClient message: LAYER = (0) ORIGIN = (0) SEVERITY = (78) NUMBER = (49)
Server 172.28.79.294, database 
Message String: Unexpected EOF from the server
OpenClient message: LAYER = (0) ORIGIN = (0) SEVERITY = (78) NUMBER = (34)
Server 172.28.79.294, database 
Message String: Adaptive Server connection failed
OpenClient message: LAYER = (0) ORIGIN = (0) SEVERITY = (78) NUMBER = (34)
Server 172.28.79.294, database 
Message String: Adaptive Server connection failed
 at go.pl line 14.
Died at go.pl line 14.