Re: an aggregate array function
| От | Dani Oderbolz | 
|---|---|
| Тема | Re: an aggregate array function | 
| Дата | |
| Msg-id | 3F26916A.7030508@ecologic.de обсуждение исходный текст  | 
		
| Ответ на | an aggregate array function ("Merlin Moncure" <merlin.moncure@rcsonline.com>) | 
| Ответы | 
                	
            		Re: an aggregate array function
            		
            		 | 
		
| Список | pgsql-hackers | 
Merlin Moncure wrote: > Dear hackers, > > > > Do you think there would be any use for an aggregate which returns an > array of the aggregated (usually simple) type? Has this already been > done by anyone? I looked at the source and noticed that for each > inserted item, the array utility functions perform a deep copy of the > entire array (plus a reallocation). Normally, this is no big deal, > but if executed in the query stage, it could be kind of slow. I also > noticed that null values inside is an item on the todo list. Is > anybody currently working on this? > > > > Merlin > I got another question to this: why does PostgreSQL support Arrays in the first place? For my taste, its a very messy concept... Regards, Dani
В списке pgsql-hackers по дате отправления: