Re: sort / limit / range problem

On Wed, 5 Mar 2003, Gary Stainburn wrote:

> Hi folks,
>
> I've got a glossary table that I'm trying to render to HTML. However, I've
> got a problem when using order by and limit. Below is an example of a psql
> session showing my problem. Anyone got any reasons why the last select misses
> 'Driver'?

You forgot ORDER BY glterm

>
> nymr=# select glterm from glossary where glterm like 'D%' order by glterm;
> glterm
> ----------------
> Dampers
> Dart
> Detonators
> Disposal
> Dome
> Draw Bar
> Driver
> Driving Wheels
> Duty Fitter
> (9 rows)
>
> nymr=# select glterm from glossary where glterm > 'Driving Wheels' limit 1;
> glterm
> -------------
> Duty Fitter
> (1 row)
>
> nymr=# select glterm from glossary where glterm > 'Draw Bar' limit 1;
> glterm
> ----------------
> Driving Wheels
> (1 row)
>
> nymr=# \d glossary
> Table "glossary"
> Attribute | Type | Modifier
> -----------+-----------------------+-----------------------------------------------------
> glid | integer | not null default
> nextval('glossary_glid_seq'::text)
> glterm | character varying(30) | not null
> gldesc | text |
> Indices: glossary_pkey,
> glossary_term_index
>
> nymr=#
>
>

--
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel: +30-210-8981112
fax: +30-210-8981877
email: achill(at)matrix(dot)gatewaynet(dot)com
mantzios(at)softlab(dot)ece(dot)ntua(dot)gr