Re: BYTEA
От | Cat |
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Тема | Re: BYTEA |
Дата | |
Msg-id | 20160118002543.GC11533@zip.com.au обсуждение исходный текст |
Ответ на | BYTEA (Eugene Yin <eugeneymail@ymail.com>) |
Ответы |
Re: BYTEA
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Список | pgsql-sql |
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? Not sure if it's r/w or r/o. -- "A search of his car uncovered pornography, a homemade sex aid, women's stockings and a Jack Russell terrier." - http://www.dailytelegraph.com.au/news/wacky/indeed/story-e6frev20-1111118083480
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