/**
  * 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 $con A connection object
  *
  * @return    CourseMetadata A model object, or null if the key is not found
  */
 protected function findPkSimple($key, $con)
 {
     $sql = 'SELECT `COURSE_B_ID`, `NAME`, `ID`, `CREATED_AT`, `UPDATED_AT` FROM `course_metadata` WHERE `ID` = :p0';
     try {
         $stmt = $con->prepare($sql);
         $stmt->bindValue(':p0', $key, 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 CourseMetadata();
         $obj->hydrate($row);
         CourseMetadataPeer::addInstanceToPool($obj, (string) $key);
     }
     $stmt->closeCursor();
     return $obj;
 }
 /**
  * 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 phpname (e.g. 'AuthorId')
  *
  * @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)
 {
     $keys = CourseMetadataPeer::getFieldNames($keyType);
     if (array_key_exists($keys[0], $arr)) {
         $this->setCourseBId($arr[$keys[0]]);
     }
     if (array_key_exists($keys[1], $arr)) {
         $this->setName($arr[$keys[1]]);
     }
     if (array_key_exists($keys[2], $arr)) {
         $this->setId($arr[$keys[2]]);
     }
     if (array_key_exists($keys[3], $arr)) {
         $this->setCreatedAt($arr[$keys[3]]);
     }
     if (array_key_exists($keys[4], $arr)) {
         $this->setUpdatedAt($arr[$keys[4]]);
     }
 }