db_driver

Versionen
drupal7	`db_driver()`

Retrieve the name of the currently active database driver, such as "mysql" or "pgsql".

The name of the currently active database driver.

system_install in modules/system/system.install: Implementation of hook_install().
system_update_7016 in modules/system/system.install: Remove custom datatype *_unsigned in PostgreSQL.

includes/database/database.inc, line 2065

<?php
function db_driver() {
  return Database::getConnection()->driver();
}
?>

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