Re: How to realize ROW_NUMBER() in 8.3?

If your table is not terribly big, you can
try something like

SELECT a.col1,a.col2, COUNT(*) as row_number
FROM yourTable a,yourTable b
WHERE a.col1 >= b.col1 -- I'm assuming col1 is primary key
GROUP BY a.col1,a.col2
ORDER BY row_number

This is pure SQL, should work in every version...

Best,
Oliveiros

----- Original Message -----
From: "Emi Lu" <emilu(at)encs(dot)concordia(dot)ca>
To: <pgsql-sql(at)postgresql(dot)org>
Sent: Wednesday, April 20, 2011 4:45 PM
Subject: [SQL] How to realize ROW_NUMBER() in 8.3?

> Hello,
>
> ROW_NUMBER() is only ready in 8.4. For 8.3, is there a simple way to get
> row_number
>
> select row_number(), col1, col2...
> FROM tableName
>
> Thanks a lot!
>
> Ding Ye
>
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