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FIX: DataQuery::applyRelation using incorrect foreign key (fixes #3954)

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This commit is contained in:
Loz Calver 2015-03-02 09:52:39 +00:00
parent 4e340ca7ab
commit f234301c0a
2 changed files with 17 additions and 3 deletions
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3
model/DataQuery.php
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@ -608,8 +608,7 @@ class DataQuery {
$model = singleton($modelClass);
if ($component = $model->has_one($rel)) {
if(!$this->query->isJoinedTo($component)) {
$has_one = array_flip($model->has_one());
$foreignKey = $has_one[$component];
$foreignKey = $rel;
$realModelClass = ClassInfo::table_for_object_field($modelClass, "{$foreignKey}ID");
$this->query->addLeftJoin($component,
"\"$component\".\"ID\" = \"{$realModelClass}\".\"{$foreignKey}ID\"");

17
tests/model/DataQueryTest.php
View File

@ -49,6 +49,19 @@ class DataQueryTest extends SapphireTest {
$dq->sql());
}
public function testApplyRelation() {
// Test applyRelation with two has_ones pointing to the same class
$dq = new DataQuery('DataQueryTest_B');
$dq->applyRelation('TestC');
$this->assertTrue($dq->query()->isJoinedTo('DataQueryTest_C'));
$this->assertContains('"DataQueryTest_C"."ID" = "DataQueryTest_B"."TestCID"', $dq->sql());
$dq = new DataQuery('DataQueryTest_B');
$dq->applyRelation('TestCTwo');
$this->assertTrue($dq->query()->isJoinedTo('DataQueryTest_C'));
$this->assertContains('"DataQueryTest_C"."ID" = "DataQueryTest_B"."TestCTwoID"', $dq->sql());
}
public function testApplyReplationDeepInheretence() {
$newDQ = new DataQuery('DataQueryTest_E');
//apply a relation to a relation from an ancestor class
@ -253,6 +266,7 @@ class DataQueryTest_B extends DataObject implements TestOnly {
private static $has_one = array(
'TestC' => 'DataQueryTest_C',
'TestCTwo' => 'DataQueryTest_C',
);
}
@ -269,7 +283,8 @@ class DataQueryTest_C extends DataObject implements TestOnly {
private static $has_many = array(
'TestAs' => 'DataQueryTest_A',
'TestBs' => 'DataQueryTest_B',
'TestBs' => 'DataQueryTest_B.TestC',
'TestBsTwo' => 'DataQueryTest_B.TestCTwo',
);
private static $many_many = array(