/**
* Returns a DQL expression that can be used to get a text representation of the given type of entities.
*
* @param string $className The FQCN of the entity
* @param string $alias The alias in SELECT or JOIN statement
*
* @return string|false
*/
protected function getNameDQL($className, $alias)
{
$fields = $this->mapper->getEntityMapParameter($className, 'title_fields');
if ($fields) {
$titleParts = [];
foreach ($fields as $field) {
$titleParts[] = $alias . '.' . $field;
$titleParts[] = '\' \'';
}
return QueryUtils::buildConcatExpr($titleParts);
}
return false;
}
/**
* @dataProvider concatExprProvider
*
* @param string[] $parts
* @param string $expectedExpr
*/
public function testBuildConcatExpr($parts, $expectedExpr)
{
$this->assertEquals($expectedExpr, QueryUtils::buildConcatExpr($parts));
}
