Driver.php 2.8 KB

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  1. <?php
  2. /*
  3. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  4. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  5. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  6. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  7. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  8. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  9. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14. *
  15. * This software consists of voluntary contributions made by many individuals
  16. * and is licensed under the MIT license. For more information, see
  17. * <http://www.doctrine-project.org>.
  18. */
  19. namespace Doctrine\DBAL\Driver\PDOPgSql;
  20. use Doctrine\DBAL\Platforms;
  21. /**
  22. * Driver that connects through pdo_pgsql.
  23. *
  24. * @since 2.0
  25. */
  26. class Driver implements \Doctrine\DBAL\Driver
  27. {
  28. /**
  29. * {@inheritdoc}
  30. */
  31. public function connect(array $params, $username = null, $password = null, array $driverOptions = array())
  32. {
  33. return new \Doctrine\DBAL\Driver\PDOConnection(
  34. $this->_constructPdoDsn($params),
  35. $username,
  36. $password,
  37. $driverOptions
  38. );
  39. }
  40. /**
  41. * Constructs the Postgres PDO DSN.
  42. *
  43. * @param array $params
  44. *
  45. * @return string The DSN.
  46. */
  47. private function _constructPdoDsn(array $params)
  48. {
  49. $dsn = 'pgsql:';
  50. if (isset($params['host']) && $params['host'] != '') {
  51. $dsn .= 'host=' . $params['host'] . ' ';
  52. }
  53. if (isset($params['port']) && $params['port'] != '') {
  54. $dsn .= 'port=' . $params['port'] . ' ';
  55. }
  56. if (isset($params['dbname'])) {
  57. $dsn .= 'dbname=' . $params['dbname'] . ' ';
  58. }
  59. return $dsn;
  60. }
  61. /**
  62. * {@inheritdoc}
  63. */
  64. public function getDatabasePlatform()
  65. {
  66. return new \Doctrine\DBAL\Platforms\PostgreSqlPlatform();
  67. }
  68. /**
  69. * {@inheritdoc}
  70. */
  71. public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
  72. {
  73. return new \Doctrine\DBAL\Schema\PostgreSqlSchemaManager($conn);
  74. }
  75. /**
  76. * {@inheritdoc}
  77. */
  78. public function getName()
  79. {
  80. return 'pdo_pgsql';
  81. }
  82. /**
  83. * {@inheritdoc}
  84. */
  85. public function getDatabase(\Doctrine\DBAL\Connection $conn)
  86. {
  87. $params = $conn->getParams();
  88. return (isset($params['dbname']))
  89. ? $params['dbname']
  90. : $conn->query('SELECT CURRENT_DATABASE()')->fetchColumn();
  91. }
  92. }