Re: 9.0b1: "ERROR: btree index keys must be ordered by attribute"

From: Ian Barwick <barwick(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: David Fetter <david(at)fetter(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: 9.0b1: "ERROR: btree index keys must be ordered by attribute"
Date: 2010-05-10 00:55:13
Message-ID: z2u1d581afe1005091755tadc700f9t53d016183be3b708@mail.gmail.com
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2010/5/10 Ian Barwick <barwick(at)gmail(dot)com>:
> SELECT ov.object_id
>    FROM object_version ov
>   WHERE ov.object_id = 1
>     AND ov.version ='0
>     AND ov.object_status_id = (
>     SELECT MAX(ov1.object_status_id)
>       FROM object_version ov1
>      WHERE ov1.object_id=ov.object_id
>        AND ov1.version = ov.version
>        AND ov1.lang = ov.lang
>       )
>     AND ov.lang = 'en';

Apologies, slight c&p error; correct version of query:

SELECT ov.object_id
FROM object_version ov
WHERE ov.object_id = 1
AND ov.version =0
AND ov.object_status_id = (
SELECT MAX(ov1.object_status_id)
FROM object_version ov1
WHERE ov1.object_id=ov.object_id
AND ov1.version = ov.version
AND ov1.lang = ov.lang
)
AND ov.lang = 'en';

FWIW the test case works fine in 8.4.3

Ian Barwick

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