Unable to find "libmysql-ruby" inside trusty repository

[Bipul]

I am using Ubuntu 14.04 LTS , and when i am trying to install MySql and it's Dependency file, from terminal then i am not able to install it. May be it is not exist in trusty repository.

But when i searched for launchpad i got this link saying about , this lib file do exist in trusty
https://launchpad.net/ubuntu/trusty/+package/libmysql-ruby

My CPU architectre is
bipul@bipul-HCL-ME-Laptop:~$ lscpu
Architecture: i686
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 2
On-line CPU(s) list: 0,1
Thread(s) per core: 1
Core(s) per socket: 2
Socket(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 42
Stepping: 7
CPU MHz: 800.000
BogoMIPS: 4190.14
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 2048K

Aso not on AMD processor