function RangeQueryTest::testRangeQuery
Confirms that range queries work and return the correct result.
File
- 
              core/
tests/ Drupal/ KernelTests/ Core/ Database/ RangeQueryTest.php, line 17  
Class
- RangeQueryTest
 - Tests the Range query functionality.
 
Namespace
Drupal\KernelTests\Core\DatabaseCode
public function testRangeQuery() : void {
  // Test if return correct number of rows.
  $range_rows = $this->connection
    ->queryRange("SELECT [name] FROM {test} ORDER BY [name]", 1, 3)
    ->fetchAll();
  $this->assertCount(3, $range_rows, 'Range query work and return correct number of rows.');
  // Test if return target data.
  $raw_rows = $this->connection
    ->query('SELECT [name] FROM {test} ORDER BY [name]')
    ->fetchAll();
  $raw_rows = array_slice($raw_rows, 1, 3);
  $this->assertEquals($range_rows, $raw_rows);
}
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.