> Hello,
> Need some help. Hoping some of the smart people might know how to solve this.
>
> I'd like to replace all name/value pairs in a delimited string with the id of the name/value pair in my reference table.
> Eg
> St=IL&city=Chicago&street=Madison
> To
> 13&50&247
> Assuming St=IL is id 13, city=Chicago=50, street=Madison=247
>
> My process is working but it's taking too long to convert the string to rows. Any ideas for swaping out the cursor for a sql trick?
Hello,
I would try to first explode all at once to a temp table using regexp_split_to_table,
then update with your IDs, and aggregate back to the desired form.
regards,
Marc Mamin
> Thanks in advance
> Doug
>
> I'm currently cursoring thru the input rows, and then converting the string to rows using 1st array_to_string, now explode_array.
> -- Current code
> sql_cmd := ' SELECT hash_page , log_cs_uri_query FROM dim_wtlog_page_temp ';
> FOR recset IN EXECUTE sql_cmd LOOP
> insert into pagetag_temp (hash_page, wtlog_tagvalue_text)
> select recset.hash_page ,qry.* as wtlog_tagvalue_text
> from explode_array (string_to_array(recset.log_cs_uri_query,'&') ) qry ;
> END LOOP;
>
> create or replace function explode_array( in_array anyarray)
> returns setof anyelement as
> $$
> select ($1)[s] from generate_series(1,array_upper($1, 1)) as s;
> $$
> language sql immutable;
>
> Doug Little
>
> Sr. Data Warehouse Architect | Business Intelligence Architecture | Orbitz Worldwide
> 500 W. Madison, Suite 1000 Chicago IL 60661| Office 312.260.2588 | Fax 312.894.5164 | Cell 847-997-5741
> Douglas.Little@xxxxxxxxxx<mailto:Douglas.Little@xxxxxxxxxx>
> [cid:image001.jpg@01CCE011.A46685F0] orbitz.com<http://www.orbitz.com/> | ebookers.com<http://www.ebookers.com/> | hotelclub.com<http://www.hotelclub.com/> | cheaptickets.com<http://www.cheaptickets.com/> | ratestogo.com<http://www.ratestogo.com/> | asiahotels.com<http://www.asiahotels.com/>
>
>
>
Attachment:
image001.jpg
Description: image001.jpg
-- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
