Re: postgres sql help

In article <SNT102-W49402A41C6B6599F082D35A8E10@phx.gbl>,
James Bond <coolofall@hotmail.com> writes:

> hi, i am fairly new in postgresql, so if anyone can help me would be great
> if i simply do:

> select ver_no
> from version
> order by ver_no

> the result will be something like this:

> .1.3.1
> .1.3.2.5.
> .1.4.1.7.12
> .1.4.11.14.7.
> .1.4.3.109.1.
> .1.4.8.66.

> so as you can see first 3 lines are ok, but how to make 1.4.3.109 come
> before 1.4.11 because the third level "3" is smaller than "11".

The query
 SELECT ver_no FROM version ORDER BY string_to_array(ver_no, '.', '')::int[]

should do what you want.