Drop the primary key.

Parameters

$table: The table to be altered.

Return value

TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.

Overrides DatabaseSchema::dropPrimaryKey

File

drupal-7.x/includes/database/pgsql/schema.inc, line 447

Database schema code for PostgreSQL database servers.

Class

DatabaseSchema_pgsql

Code

public function dropPrimaryKey($table) {
  if (!$this->constraintExists($table, 'pkey')) {
    return FALSE;
  }

  $this->connection->query('ALTER TABLE {' . $table . '} DROP CONSTRAINT ' . $this->prefixNonTable($table, 'pkey'));
  return TRUE;
}