| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> | 
|---|---|
| To: | Yudie <yudie(at)axiontech(dot)com> | 
| Cc: | pgsql-sql(at)postgresql(dot)org | 
| Subject: | Re: How to select and result row number?? | 
| Date: | 2002-09-17 03:12:06 | 
| Message-ID: | 200209170312.g8H3C6s16543@candle.pha.pa.us | 
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| Thread: | |
| Lists: | pgsql-sql | 
Yudie wrote:
> Hi,
> 
> I would like to select and also give numbering in each record.
> Let say I have table 'City' with a 'cityname' column
> 
> what is the select statement so I can get result records like this
> 
> no   cityname
> ----  --------------
> 1     NEW YORK
> 2     LOS ANGELES
> 3     HOUSTON
> 4     ....
> 5     ...
Good question.  The only easy answer I have is the creation of a temp
table with a SERIAL column:
	CREATE TEMP TABLE out (cnt SERIAL, other_cols...);
	INSERT INTO out SELECT ... ORDER BY col;
	SELECT * FROM out;
-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
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