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Bug #39906 Unable to use place holders as part of the actual SQL query with PDO's
Submitted: 2006-12-20 16:31 UTC Modified: 2006-12-20 16:42 UTC
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: iab398 at bham dot ac dot uk Assigned:
Status: Not a bug Package: SQLite related
PHP Version: 5.2.0 OS: Unix
Private report: No CVE-ID: None
 [2006-12-20 16:31 UTC] iab398 at bham dot ac dot uk
Example within a PHP context:

/* using sqlite 3 database SQLLDB is a define() path to the database location elsewhere */

if (!($db = new PDO('sqlite:' . SQLLDB))) {

	$error = $db->errorInfo();



/* the direction in which to order the query */

$direction = "ASC";

$query = $db->prepare('SELECT * FROM table_name ORDER BY value :dir');

$query->bindParam(':dir', $direction, PDO::PARAM_STR, 4);


Here, a error stating that the prepare() failed occurs due to acting on a non-object. Would it be possible to maybe allow place holders for actual parts of the SQL query, rather than just values?


Reproduce code:
as above.

Expected result:
for the data to be retrieved from the database and ordered either ASC or DESC according to the value of $direction

Actual result:
PDO/SQLite error. As above.


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 [2006-12-20 16:42 UTC]
Sorry, but your problem does not imply a bug in PHP itself.  For a
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visit as this bug system is not the
appropriate forum for asking support questions.  Due to the volume
of reports we can not explain in detail here why your report is not
a bug.  The support channels will be able to provide an explanation
for you.

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