/**
* Returns the name of the PRIMARY KEY column.
* @return string|null
*/
public function getPrimaryKey()
{
$table = $this->getTable();
if (!$table) {
return null;
}
$key = null;
$cached = $this->connection->getCache()->fetch($table . '_primaryKey');
if ($cached === null) {
try {
$key = $this->connection->getDriver()->getPrimaryKey($table, isset($this->resultSet) ? $this->resultSet : null);
} catch (NeevoException $e) {
return null;
}
$this->connection->getCache()->store($table . '_primaryKey', $key);
return $key === '' ? null : $key;
}
return $cached === '' ? null : $cached;
}
public function testAutoSetCache()
{
$this->assertInstanceOf('Neevo\\Cache\\MemoryStorage', $this->instance->getCache());
}
