| From: | Armand Pirvu (home) <armand(dot)pirvu(at)gmail(dot)com> | 
|---|---|
| To: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> | 
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> | 
| Subject: | Re: store key name pattern search | 
| Date: | 2017-04-04 21:10:04 | 
| Message-ID: | 98494DB2-D173-4509-BD0B-0718CE1BE639@gmail.com | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-general | 
Thank you Jeff
Nice . I also looked at akeys/skeys
My goal is to get the key by pattern matching and then passing it back like in col1->key
Armand
On Apr 4, 2017, at 12:42 PM, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
> On Tue, Apr 4, 2017 at 8:41 AM, Armand Pirvu (home) <armand(dot)pirvu(at)gmail(dot)com> wrote:
> 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 ?
> 
> select * from foo where array_to_string(akeys(x),';') like '%add\_by%';
> 
> Note that I back-slashed the underscore, otherwise it acts as a wildcard and may match more than you bargained for.
> 
> Cheers,
> 
> Jeff
> 
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