How to set instance name database in ruby configuration

Question

My app (ruby on rails) is in linux and I need connect in a Sql Server database.

Testing in command line I get:

$tsql -LH 10.10.10.10

  ServerName MYCOMPSRV10
InstanceName SQL2008R2
 IsClustered No
     Version 10.50.4000.0
         tcp 58891

And I can access database in command line using:

 $tsql -S 10.10.10.10\\SQL2008R2 -U username

So, in my Ruby on Rails app I have database.yml with this code:

development:
  adapter: sqlserver
  host: 10.10.10.10
  database: MyDatabase
  username: username
  password: password
  port: 1433 
  pool: 5
  timeout: 5000 

But when I try run the app I get:

TinyTds::Error: Unable to connect: Adaptive Server is unavailable or does not exist

If I change config an try to add Database Instance Name:

development:
  adapter: sqlserver
  host: '10.10.10.10\SQL2008R2'
  database: MyDatabase
  username: username
  password: password
  port: 1433 
  pool: 5
  timeout: 5000 

And try run the App:

TinyTds::Error: Server name not found in configuration files

I did a research and don't found how to solve this problem. I even don't found how to set the instance name of database. Can someone help me ?

Answer 1

I found a solution:

install: unixodbc unixodbc-bin unixodbc-dev

  sudo apt-get install unixodbc unixodbc-bin unixodbc-dev

uninstall freetds-bin
freetds-dev
freetds-common

sudo apt-get purge freetds-bin freetds-dev freetds-common

download freetds current and install:

tar -xzf freetds-patched.tar.gz
cd freetds-1.00.15/
./configure
make
sudo make install

I discovered the dinamic port of my db instance trough this query:

SELECT local_tcp_port
FROM   sys.dm_exec_connections
WHERE  session_id = @@SPID

and change database.yml config adding this port instead default 1433

development:
  <<: *default
  host: 10.10.10.10
  username: myuser
  password: mypwd
  port: 58891

after that I run:

rake db:migrate

Everything worked fine