public function DataTable::dropUniqueKey in Data 6

Same name and namespace in other branches

1. 7 includes/DataTable.inc \DataTable::dropUniqueKey()

Drop a unique key from a table.

Throws

DataException

File

includes/DataTable.inc, line 332

Contains class definition for DataTable.

Class

DataTable

Manages data access and manipulation for a single data table. Use data_create_table() or data_get_table() to instantiate an object from this class.

Code

public function dropUniqueKey($field) {
  $ret = array();
  db_drop_unique_key($ret, $this->name, $field);
  if ($ret[0]['success']) {
    $schema = $this->table_schema;
    unset($schema['unique keys'][$field]);
    $this
      ->update(array(
      'table_schema' => $schema,
    ));
    drupal_get_schema($this->name, TRUE);
    return;
  }
  throw new DataException(t('Error dropping unique key.'));
}