> then you try get substr, which consists only of last char in string
> you get all string
>
> For example:
> userbase=> select substr('123456', 6,1) ;
> substr
> ------
> 123456
> (1 row)
>

From Edmund Mergl <E.Mergl@bawue.de>

see README_6.3 for list of changes

Some behavior of the triggers test cases changed for the least week or two;
 now back to the usual expected behavior.

Allow varchar() to only store needed bytes.  Remove PALLOC,PALLOCTYPE,PFREE.  Clean up use of VARDATA.

Should fix an AIX compiler problem