store key name pattern search

["Armand Pirvu (home)" <armand.pirvu@xxxxxxxxx>]

Hi

I have the following case


select * from foo;
                                      col1                                       
---------------------------------------------------------------------------------
 "show_id"=>"1", "group_id"=>"32", "group_name"=>"slb", "group_add_by"=>"557651"
 "show_id"=>"2", "group_id"=>"33", "group_name"=>"slc", "item_add_by"=>"557652"
(2 rows)

Is there anyway I can do a pattern search by hstore key name something like 

select * from foo where skeys(col1) like '%add_by%';

I looked on the doc but did not see anything , or did I miss it ?

Thanks

Armand



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