function AlterTest::testSimpleAlterSubquery
Same name in other branches
- 9 core/tests/Drupal/KernelTests/Core/Database/AlterTest.php \Drupal\KernelTests\Core\Database\AlterTest::testSimpleAlterSubquery()
- 10 core/tests/Drupal/KernelTests/Core/Database/AlterTest.php \Drupal\KernelTests\Core\Database\AlterTest::testSimpleAlterSubquery()
- 11.x core/tests/Drupal/KernelTests/Core/Database/AlterTest.php \Drupal\KernelTests\Core\Database\AlterTest::testSimpleAlterSubquery()
Tests that we can do basic alters on subqueries.
File
-
core/
tests/ Drupal/ KernelTests/ Core/ Database/ AlterTest.php, line 129
Class
- AlterTest
- Tests the hook_query_alter capabilities of the Select builder.
Namespace
Drupal\KernelTests\Core\DatabaseCode
public function testSimpleAlterSubquery() {
// Create a sub-query with an alter tag.
$subquery = $this->connection
->select('test', 'p');
$subquery->addField('p', 'name');
$subquery->addField('p', 'id');
// Pick out George.
$subquery->condition('age', 27);
$subquery->addExpression("age*2", 'double_age');
// This query alter should change it to age * 3.
$subquery->addTag('database_test_alter_change_expressions');
// Create a main query and join to sub-query.
$query = $this->connection
->select('test_task', 'tt');
$query->join($subquery, 'pq', 'pq.id = tt.pid');
$age_field = $query->addField('pq', 'double_age');
$name_field = $query->addField('pq', 'name');
$record = $query->execute()
->fetch();
$this->assertEqual($record->{$name_field}, 'George', 'Fetched name is correct.');
$this->assertEqual($record->{$age_field}, 27 * 3, 'Fetched age expression is correct.');
}
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