Robert Haas escribió:

> char(n) is kind of a wierd case because you could also compress by
> storing a count of the trailing spaces, without applying a
> general-purpose compression algorithm.  But either way the field is no
> longer fixed-width, and therefore field access can't be done as a
> simple byte offset from the start of the tuple.

That's not the case anyway (fixed byte width) due to possible multibyte
chars.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to