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DBAL-299: Multiple different interspersed named parameters #1480

doctrinebot opened this Issue · 2 comments

2 participants


Jira issue originally created by user spiinningtops:

For this code

$sql = << SELECT 1 as id
WHERE (:foo = 2)
AND (:bar = 3)
AND (:foo = 2)
$rsm = new \Doctrine\Orm\Query\ResultSetMapping();
$rsm->addScalarResult('id', 'id');

$query = $em->createNativeQuery($sql, $rsm);
$query = $query->setParameters(array('foo' => 2, 'bar' => 3));
$result = $query->getResult();

Generates the SQL in DBAL\Connection\executeQuery

SELECT 1 as id
WHERE (? = 2)
AN?bar = 3)
AND (? = 2)

The problem appears to be in DBAL\SQLParserUtils\expandListParameters.

When replacing the named parameters with ?'s an offset is kept to keep track of where to insert the next parameter. This is done per named parameter (all of :foo is replaced then all :bar, etc). This will calculate the incorrect offset if a named parameter(e.g. :bar) is in between instances of another named parameter (e.g. :foo) (i.e. :bar in the sql "(:foo = 2) AND (:bar =3) AND (:foo = 2)") since the offset will be for the TOTAL number of instances of the named parameter (e.g. -6) not the number of instances that occur before the needed replacement (e.g. -3).

This is where the SQL has "AN?bar = 3)" instead of "AND(3 = 3)" the offset is calculated at -6 instead of the proper -3


Comment created by @asm89:

Fixed here: 78dbf28


Issue was closed with resolution "Fixed"

@doctrinebot doctrinebot added the Bug label
@asm89 asm89 was assigned by doctrinebot
@doctrinebot doctrinebot closed this
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