On Tuesday, January 31, 2012 8:08:06 pm Carlos Mennens wrote:
> I've noticed when I set a field to char, it takes up lots of space over
> varchar:
> 
> iamunix=# SELECT * FROM music;
>  id |       band        |          album           |    date    |
>                   asin                        |    label
> ----+-------------------+--------------------------+------------+----------
> ------------------------------------------+-------------- 1 | Dance Gavin
> Dance | Downtown Battle Mountain | 2007-05-15 |
> B000OQF4PQ                                         | Rise Records
> (1 row)
> 
> iamunix=# SELECT * FROM music;
>  id |       band        |          album           |    date    |
> asin    |    label
> ----+-------------------+--------------------------+------------+----------
> --+-------------- 1 | Dance Gavin Dance | Downtown Battle Mountain |
> 2007-05-15 |
> B000OQF4PQ | Rise Records
> (1 row)
> 
> I don't know how well it will show in plain text via email but does
> anyone know why the field display width is wasted with so much white
> space when set to char?

You will find that the Manual is very helpful in this regard:)

http://www.postgresql.org/docs/9.0/interactive/datatype-character.html
character varying(n), varchar(n)        variable-length with limit
character(n), char(n)   fixed-length, blank padded

-- 
Adrian Klaver
adrian.kla...@gmail.com

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