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Fix CountOutputWalker for queries with GROUP BY

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Jáchym Toušek 2017-01-19 12:54:10 +01:00 committed by Luís Cobucci
parent 9c2b54b748
commit b2ac8fdfd7
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2 changed files with 22 additions and 2 deletions
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8
lib/Doctrine/ORM/Tools/Pagination/CountOutputWalker.php
View File

@ -85,6 +85,14 @@ class CountOutputWalker extends SqlWalker
$sql = parent::walkSelectStatement($AST);
if ($AST->groupByClause) {
return sprintf(
'SELECT %s AS dctrn_count FROM (%s) dctrn_table',
$this->platform->getCountExpression('*'),
$sql
);
}
// Find out the SQL alias of the identifier column of the root entity
// It may be possible to make this work with multiple root entities but that
// would probably require issuing multiple queries or doing a UNION SELECT

16
tests/Doctrine/Tests/ORM/Tools/Pagination/CountOutputWalkerTest.php
View File

@ -30,6 +30,18 @@ class CountOutputWalkerTest extends PaginationTestCase
);
}
public function testCountQuery_GroupBy()
{
$query = $this->entityManager->createQuery(
'SELECT p.name FROM Doctrine\Tests\ORM\Tools\Pagination\Person p GROUP BY p.name');
$query->setHint(Query::HINT_CUSTOM_OUTPUT_WALKER, 'Doctrine\ORM\Tools\Pagination\CountOutputWalker');
$query->setFirstResult(null)->setMaxResults(null);
$this->assertSame(
"SELECT COUNT(*) AS dctrn_count FROM (SELECT p0_.name AS name_0 FROM Person p0_ GROUP BY p0_.name) dctrn_table", $query->getSQL()
);
}
public function testCountQuery_Having()
{
$query = $this->entityManager->createQuery(
@ -37,8 +49,8 @@ class CountOutputWalkerTest extends PaginationTestCase
$query->setHint(Query::HINT_CUSTOM_OUTPUT_WALKER, 'Doctrine\ORM\Tools\Pagination\CountOutputWalker');
$query->setFirstResult(null)->setMaxResults(null);
$this->assertEquals(
"SELECT COUNT(*) AS dctrn_count FROM (SELECT DISTINCT id_1 FROM (SELECT count(u0_.id) AS sclr_0, g1_.id AS id_1, u0_.id AS id_2 FROM groups g1_ LEFT JOIN user_group u2_ ON g1_.id = u2_.group_id LEFT JOIN User u0_ ON u0_.id = u2_.user_id GROUP BY g1_.id HAVING sclr_0 > 0) dctrn_result) dctrn_table", $query->getSql()
$this->assertSame(
"SELECT COUNT(*) AS dctrn_count FROM (SELECT count(u0_.id) AS sclr_0, g1_.id AS id_1, u0_.id AS id_2 FROM groups g1_ LEFT JOIN user_group u2_ ON g1_.id = u2_.group_id LEFT JOIN User u0_ ON u0_.id = u2_.user_id GROUP BY g1_.id HAVING sclr_0 > 0) dctrn_table", $query->getSQL()
);
}