/**
* @param DB $db RDBMS to use
* @param IQueryable $entity ORM-related entity representation
*/
function __construct(DB $db, IQueryable $entity)
{
$this->db = $db;
$this->entity = $entity;
$this->map = $entity->getMap();
$this->logicalSchema = $entity->getLogicalSchema();
$this->physicalSchema = $entity->getPhysicalSchema();
$this->identifier = $this->logicalSchema->getIdentifier();
if ($this->identifier) {
$this->identityMap = new OrmIdentityMap($this->logicalSchema);
}
}
