Created attachment 919540 [details]
PgError when template name exceeds 255 characters

Description of problem:
I was trying some boundary value tests and found that UI raises following error if the name of template exceeds 255 characters.

Error
PGError: ERROR: value too long for type character varying(255) : UPDATE "config_templates" SET "name" = 'ojJELjrEfavaKHSkSDTncoiqjwik12345yyteyNSBmqcshsFlNcAsGExwayeTXjFOQmXTuVNWCotNUBMbiJmDKtsPtLnXqYJSjTUyNIlSNAAucqVkKXGFrViwyGLTRnqqBaLuGskexxWkYHTLHdLFMEXTmRLiGZgvkTGGmqGEKpGwzEOerEAbVJWBLaKytzydTwJcIQOUdBxowqKqIUSJKZkYHwUzkPWGjQMkpdpadzBctjvjBMDmpfPYurKybz1', "updated_at" = '2014-07-21 01:14:25.296053' WHERE "config_templates"."id" = 44

Version-Release number of selected component (if applicable):
sat6 GA snap1

How reproducible:
always

Steps to Reproduce:
1. create template with name having more than 255 char
2.
3.

Actual results:
PGError: ERROR: value too long for type character varying(255) : UPDATE "config_templates" SET "name" = 

Expected results:
UI should throw proper validation error message

Additional info:

Logs from production.log:


Processing by ConfigTemplatesController#update as */*
  Parameters: {"utf8"=>"✓", "search"=>"", "authenticity_token"=>"CLZgGQh3Z80gTOE6iG1eaDPvDAf4ISpF73pxHLoz0K4=", "config_template"=>{"name"=>"ojJELjrEfavaKHSkSDTncoiqjwik123415yyteyNSBmqcshsFlNcAsGExwayeTXjFOQmXTuVNWCotNUBMbiJmDKtsPtLnXqYJSjTUyNIlSNAAucqVkKXGFrViwyGLTRnqqBaLuGskexxWkYHTLHdLFMEXTmRLiGZgvkTGGmqGEKpGwzEOerEAbVJWBLaKytzydTwJcIQOUdBxowqKqIUSJKZkYHwUzkPWGjQMkpdpadzBctjvjBMDmpfPYurKybz", "template"=>"test", "audit_comment"=>"", "snippet"=>"0", "template_kind_id"=>"1", "operatingsystem_ids"=>["", "", "", ""]}, "keybinding"=>"Default", "id"=>"44-ojjeljrefavakhsksdtncoiqjwik12345yyteynsbmqcshsflncasgexwayetxjfoqmxtuvnwcotnubmbijmdktsptlnxqyjsjtuynilsnaaucqvkkxgfrviwygltrnqqbalugskexxwkyhtlhdlfmextmrligzgvktggmqgekpgwzeoereabvjwblakytzydtwjciqoudbxowqkqiusjkzkyhwuzkpwgjqmkpdpadzbctjvjbmdmpfpyurkybz"}
Operation FAILED: PGError: ERROR:  value too long for type character varying(255)
: UPDATE "config_templates" SET "name" = 'ojJELjrEfavaKHSkSDTncoiqjwik123415yyteyNSBmqcshsFlNcAsGExwayeTXjFOQmXTuVNWCotNUBMbiJmDKtsPtLnXqYJSjTUyNIlSNAAucqVkKXGFrViwyGLTRnqqBaLuGskexxWkYHTLHdLFMEXTmRLiGZgvkTGGmqGEKpGwzEOerEAbVJWBLaKytzydTwJcIQOUdBxowqKqIUSJKZkYHwUzkPWGjQMkpdpadzBctjvjBMDmpfPYurKybz', "updated_at" = '2014-07-21 01:18:20.275589' WHERE "config_templates"."id" = 44
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