public function DataTable::dropPrimaryKey in Data 6

Same name and namespace in other branches

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

Drop all primary keys from a table.

Throws

DataException

1 call to DataTable::dropPrimaryKey()

DataTable::changePrimaryKey in includes/DataTable.inc

Change the primary keys of a table.

File

includes/DataTable.inc, line 396

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 dropPrimaryKey() {
  $ret = array();
  db_drop_primary_key($ret, $this->name);
  if ($ret[0]['success']) {
    $schema = $this->table_schema;
    $schema['primary key'] = array();
    $this
      ->update(array(
      'table_schema' => $schema,
    ));
    drupal_get_schema($this->name, TRUE);
    return;
  }
  throw new DataException(t('Error dropping primary key.'));
}