function SelectTest::testUnionCount

Tests that we can get a count query for a UNION Select query.

File

core/tests/Drupal/KernelTests/Core/Database/SelectTest.php, line 356

Class

SelectTest

Tests the Select query builder.

Namespace

Code

public function testUnionCount() : void {
  $query_1 = $this->connection
    ->select('test', 't')
    ->fields('t', [
    'name',
    'age',
  ])
    ->condition('age', [
    27,
    28,
  ], 'IN');
  $query_2 = $this->connection
    ->select('test', 't')
    ->fields('t', [
    'name',
    'age',
  ])
    ->condition('age', 28);
  $query_1->union($query_2, 'ALL');
  $names = $query_1->execute()
    ->fetchCol();
  $count = (int) $query_1->countQuery()
    ->execute()
    ->fetchField();
  // Ensure the counts match.
  $this->assertSame(count($names), $count, "The count query's result matched the number of rows in the UNION query.");
}