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function db_drop_unique_key in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/includes/database.inc \db_drop_unique_key()

Drops a unique key.

Parameters

$table: The table to be altered.

$name: The name of the key.

Return value

bool TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.

Deprecated

as of Drupal 8.0.x, will be removed in Drupal 9.0.0. Instead, get a database connection injected into your service from the container, get its schema driver, and call dropUniqueKey() on it. E.g. $injected_database->schema()->dropUniqueKey($table, $name);

See also

\Drupal\Core\Database\Schema::dropUniqueKey()

Related topics

File

core/includes/database.inc, line 894
Core systems for the database layer.

Code

function db_drop_unique_key($table, $name) {
  return Database::getConnection()
    ->schema()
    ->dropUniqueKey($table, $name);
}