Drop 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.

Overrides Schema::dropUniqueKey

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 550

Class

Schema

MySQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\mysql\Driver\Database\mysql

Code

public function dropUniqueKey($table, $name) {
  if (!$this->indexExists($table, $name)) {
    return FALSE;
  }
  $this->connection
    ->query('ALTER TABLE {' . $table . '} DROP KEY `' . $name . '`');
  return TRUE;
}

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