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