public function BasicSyntaxTest::testLikeBackslash

Tests a LIKE query containing a backslash.

File

core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php, line 106

Class

BasicSyntaxTest

Tests SQL syntax interpretation.

Namespace

Code

public function testLikeBackslash() {
  $this->connection
    ->insert('test')
    ->fields([
    'name',
  ])
    ->values([
    'name' => 'abcde\\f',
  ])
    ->values([
    'name' => 'abc%\\_',
  ])
    ->execute();

  // Match both rows using a LIKE expression with two wildcards and a verbatim
  // backslash.
  $num_matches = $this->connection
    ->select('test', 't')
    ->condition('name', 'abc%\\\\_', 'LIKE')
    ->countQuery()
    ->execute()
    ->fetchField();
  $this
    ->assertSame('2', $num_matches, 'Found 2 records.');

  // Match only the former using a LIKE expression with no wildcards.
  $num_matches = $this->connection
    ->select('test', 't')
    ->condition('name', $this->connection
    ->escapeLike('abc%\\_'), 'LIKE')
    ->countQuery()
    ->execute()
    ->fetchField();
  $this
    ->assertSame('1', $num_matches, 'Found 1 record.');
}