Re: BYTEA - Mailing list pgsql-sql

From Karsten Hilbert
Subject Re: BYTEA
Date
Msg-id 20160118100507.GA23017@hermes.hilbert.loc
Whole thread Raw
In response to Re: BYTEA  (Cat <cat@zip.com.au>)
List pgsql-sql
On Mon, Jan 18, 2016 at 11:25:43AM +1100, Cat wrote:

> On Sun, Jan 17, 2016 at 07:33:38PM +0000, Eugene Yin wrote:
> > Pg 9.4+
> > Storing binary data using bytea or text data types   
> >    -  Pluses      
> >       -  Storing and Accessing entry utilizes the same interface when accessing any other data type or record. 
> >       -  No need to track OID of a "large object" you create
> > 
> >    -  Minus 
> >    
> >    -  bytea and text data type both use TOAST (details here)      
> >       -  limited to 1G per entry 
> >       -  4 Billion (> 2KB) entries per table max.
> > 
> >    -  Need to escape/encode binary data before sending to DB then do the reverse after retrieving the data 
> >    -  Memory requirements on the server can be steep even on a small record set. 
> > https://wiki.postgresql.org/wiki/BinaryFilesInDB
> 
> Would http://multicorn.org/foreign-data-wrappers/#idfilesystem-foreign-data-wrapper be of greater use?

It would certainly be of use to add that option to the aforementioned wiki page.

Karsten
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