/**
  * Populates the object using an array.
  *
  * This is particularly useful when populating an object from one of the
  * request arrays (e.g. $_POST).  This method goes through the column
  * names, checking to see whether a matching key exists in populated
  * array. If so the setByName() method is called for that column.
  *
  * You can specify the key type of the array by additionally passing one
  * of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
  * BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
  * The default key type is the column's BasePeer::TYPE_PHPNAME
  *
  * @param array  $arr     An array to populate the object from.
  * @param string $keyType The type of keys the array uses.
  * @return void
  */
 public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
 {
     $keys = UserSkillPeer::getFieldNames($keyType);
     if (array_key_exists($keys[0], $arr)) {
         $this->setUserId($arr[$keys[0]]);
     }
     if (array_key_exists($keys[1], $arr)) {
         $this->setSkillId($arr[$keys[1]]);
     }
 }
 /**
  * Retrieve object using using composite pkey values.
  * @param   int $user_id
  * @param   int $skill_id
  * @param      PropelPDO $con
  * @return UserSkill
  */
 public static function retrieveByPK($user_id, $skill_id, PropelPDO $con = null)
 {
     $_instancePoolKey = serialize(array((string) $user_id, (string) $skill_id));
     if (null !== ($obj = UserSkillPeer::getInstanceFromPool($_instancePoolKey))) {
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(UserSkillPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $criteria = new Criteria(UserSkillPeer::DATABASE_NAME);
     $criteria->add(UserSkillPeer::USER_ID, $user_id);
     $criteria->add(UserSkillPeer::SKILL_ID, $skill_id);
     $v = UserSkillPeer::doSelect($criteria, $con);
     return !empty($v) ? $v[0] : null;
 }
 /**
  * Find object by primary key using raw SQL to go fast.
  * Bypass doSelect() and the object formatter by using generated code.
  *
  * @param     mixed $key Primary key to use for the query
  * @param     PropelPDO $con A connection object
  *
  * @return                 UserSkill A model object, or null if the key is not found
  * @throws PropelException
  */
 protected function findPkSimple($key, $con)
 {
     $sql = 'SELECT `user_id`, `skill_id` FROM `user_skill` WHERE `user_id` = :p0 AND `skill_id` = :p1';
     try {
         $stmt = $con->prepare($sql);
         $stmt->bindValue(':p0', $key[0], PDO::PARAM_INT);
         $stmt->bindValue(':p1', $key[1], PDO::PARAM_INT);
         $stmt->execute();
     } catch (Exception $e) {
         Propel::log($e->getMessage(), Propel::LOG_ERR);
         throw new PropelException(sprintf('Unable to execute SELECT statement [%s]', $sql), $e);
     }
     $obj = null;
     if ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $obj = new UserSkill();
         $obj->hydrate($row);
         UserSkillPeer::addInstanceToPool($obj, serialize(array((string) $key[0], (string) $key[1])));
     }
     $stmt->closeCursor();
     return $obj;
 }