On Wed, 2002-08-14 at 16:08, Joe Conway wrote:
> I already have a function in contrib/dblink, currently called
> dblink_strtok(), which I was going to turn into a builtin function per
> recent discussion (renamed of course). It would work for this but is
> more general:
>
> dblink_strtok(text inputstring, text delimiter, int posn) RETURNS text
>
> Inputs
> inputstring
> any string you want to parse a token out of;
> e.g. 'f=1&g=3&h=4'
> delimiter
> a single character to use as the delimiter;
> e.g. '&' or '='
> posn
> the position of the token of interest, 0 based;
> e.g. 1
>
> Should it be called splitstr() (similar to substr())?
What about functions
1. split(text,text,int) returns text
2. split(text,text) returns text[]
and why not
3. split(text,text,text) returns text
which returns text from $1 delimited by $2 and $3
-------------
Hannu
