Re: Row Size - Mailing list pgsql-general

From Steve Wolfe
Subject Re: Row Size
Date
Msg-id 001e01bfb08e$00e0a470$85755ad1@iboats.com
Whole thread Raw
In response to Row Size  (gme@ufba.br)
Responses Re: Row Size
List pgsql-general
> I need a tuple with 50k in size. I already know how to
> change the size and make it bigger. But I'm not sure
> about the maximum size it supports. Does anyone ever
> used a row size greater than 32k?

From the TOAST page (http://www.postgresql.org/projects/devel-toast.html),

"The PostgreSQL database system has a very old, deeply hardwired
limitation. It is the fact, that each row of every table must fit into the
on-disk blocksize, which is 8K by default. Unfortunately, changing the
blocksize has a number of unwanted side effects, and currently blocksizes
are limited to a maximum of 32K. So this cannot be the solution. "


You'll have to use long objects, or the TOAST stuff.

steve


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