Description of problem:

The search field on the host page throws a SQL exception when typing in a simple string. If a correct string is entered, I.E name = somehostname the field works, but otherwise it doesn't. 

For example: https://sat6fqdn/hosts?utf8=%E2%9C%93&search=abc

Throws the exception: 

Oops, we're sorry but something went wrong ERROR: invalid reference to FROM-clause entry for table "smart_proxies" LINE 1: SELECT smart_proxies.id FROM "smart_proxies" "puppet_ca_prox... ^ HINT: Perhaps you meant to reference the table alias "puppet_ca_proxies_hosts".

Version-Release number of selected component (if applicable):

6.2.1

How reproducible:

100% reproducible 

Steps to Reproduce:
1. Go to hosts page
2. Put in search term
3. Throws exception

Actual results:

Search by throws an exception

Expected results:

Search should not throw an exception but should give an empty search result or warning. 

Additional info:

Is this even tested?!