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Request #63466 PDO_MYSQL ignores PDO::FETCH_ORI_ABS in PDOStatement::fetch()
Submitted: 2012-11-08 09:48 UTC Modified: 2021-09-27 16:31 UTC
Votes:14
Avg. Score:4.6 ± 0.7
Reproduced:13 of 13 (100.0%)
Same Version:1 (7.7%)
Same OS:6 (46.2%)
From: vicrry at yahoo dot com dot hk Assigned:
Status: Open Package: PDO MySQL
PHP Version: 5.4.8 OS: CentOS
Private report: No CVE-ID: None
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From: vicrry at yahoo dot com dot hk
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 [2012-11-08 09:48 UTC] vicrry at yahoo dot com dot hk
Description:
------------
When fetching with PDO::FETCH_ORI_ABS from MySQL with PDOStatement::fetch(), the 
driver silently swallows the options and work as if I passed PDO::FETCH_ORI_NEXT.

Test script:
---------------
$stmt = $pdo->prepare('SELECT * FROM table', array(
  PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL
));

$stmt->execute();

$row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_ABS, 5);

Expected result:
----------------
The sixth row returned.

Actual result:
--------------
The first row returned.

Patches

patch_against_5.3.3 (last revision 2013-05-02 19:46 UTC by brianj at technews dot co dot za)

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 [2013-01-30 16:08 UTC] uw@php.net
-Type: Bug +Type: Feature/Change Request
 [2013-01-30 16:08 UTC] uw@php.net
If its a bug, its a docs bug. Where in the PDO spec is written that every PDO driver has to support random flags of other drivers? I do not remember anything like that. Nonetheless the docs create the impression this is the case.
 [2017-10-24 08:33 UTC] kalle@php.net
-Package: PDO related +Package: PDO MySQL
 [2021-09-27 16:31 UTC] cmb@php.net
> Where in the PDO spec is written that every PDO driver has to
> support random flags of other drivers?

These flags are not driver specific, but rather general.  That
does not imply, that these flags need to be supported, though.

Anyhow, I'm not sure whether this can be implemented for
PDO_MySQL; the attached patch calls mysqlnd_stmt_seek() which
apparently was never implemented.
 
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