function DatabaseBasicSyntaxTestCase::testLikeBackslash

Test LIKE query containing a backslash.

File

core/modules/simpletest/tests/database_test.test, line 3109

Database tests.

Class

DatabaseBasicSyntaxTestCase

Test how the current database driver interprets the SQL syntax.

Code

function testLikeBackslash() {
  db_insert('test')
    ->fields(array('name'))
    ->values(array(
      'name' => 'abcde\f',
    ))
    ->values(array(
      'name' => 'abc%\_',
    ))
    ->execute();

  // Match both rows using a LIKE expression with two wildcards and a verbatim
  // backslash.
  $num_matches = db_select('test', 't')
    ->condition('name', 'abc%\\\\_', 'LIKE')
    ->countQuery()
    ->execute()
    ->fetchField();
  $this->assertIdentical($num_matches, '2', 'Found 2 records.');
  // Match only the former using a LIKE expression with no wildcards.
  $num_matches = db_select('test', 't')
    ->condition('name', db_like('abc%\_'), 'LIKE')
    ->countQuery()
    ->execute()
    ->fetchField();
  $this->assertIdentical($num_matches, '1', 'Found 1 record.');
}