Пример #1
0
 /**
  * Persists this object to the database.
  *
  * If the object is new, it inserts it; otherwise an update is performed.
  * All modified related objects will also be persisted in the doSave()
  * method.  This method wraps all precipitate database operations in a
  * single transaction.
  *
  * @param PropelPDO $con
  * @return int             The number of rows affected by this insert/update and any referring fk objects' save() operations.
  * @throws PropelException
  * @throws Exception
  * @see        doSave()
  */
 public function save(PropelPDO $con = null)
 {
     if ($this->isDeleted()) {
         throw new PropelException("You cannot save an object that has been deleted.");
     }
     if ($con === null) {
         $con = Propel::getConnection(EspecialidadPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
     }
     $con->beginTransaction();
     $isInsert = $this->isNew();
     try {
         $ret = $this->preSave($con);
         if ($isInsert) {
             $ret = $ret && $this->preInsert($con);
         } else {
             $ret = $ret && $this->preUpdate($con);
         }
         if ($ret) {
             $affectedRows = $this->doSave($con);
             if ($isInsert) {
                 $this->postInsert($con);
             } else {
                 $this->postUpdate($con);
             }
             $this->postSave($con);
             EspecialidadPeer::addInstanceToPool($this);
         } else {
             $affectedRows = 0;
         }
         $con->commit();
         return $affectedRows;
     } catch (Exception $e) {
         $con->rollBack();
         throw $e;
     }
 }
Пример #2
0
 /**
  * Update the tree to allow insertion of a leaf at the specified position
  *
  * @param      integer $scope	scope column value
  * @param      PropelPDO $con	Connection to use.
  */
 public static function fixLevels($scope, PropelPDO $con = null)
 {
     $c = new Criteria();
     $c->add(EspecialidadPeer::SCOPE_COL, $scope, Criteria::EQUAL);
     $c->addAscendingOrderByColumn(EspecialidadPeer::LEFT_COL);
     $stmt = EspecialidadPeer::doSelectStmt($c, $con);
     // set the class once to avoid overhead in the loop
     $cls = EspecialidadPeer::getOMClass(false);
     $level = null;
     // iterate over the statement
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         // hydrate object
         $key = EspecialidadPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null === ($obj = EspecialidadPeer::getInstanceFromPool($key))) {
             $obj = new $cls();
             $obj->hydrate($row);
             EspecialidadPeer::addInstanceToPool($obj, $key);
         }
         // compute level
         // Algorithm shamelessly stolen from sfPropelActAsNestedSetBehaviorPlugin
         // Probably authored by Tristan Rivoallan
         if ($level === null) {
             $level = 0;
             $i = 0;
             $prev = array($obj->getRightValue());
         } else {
             while ($obj->getRightValue() > $prev[$i]) {
                 $i--;
             }
             $level = ++$i;
             $prev[$i] = $obj->getRightValue();
         }
         // update level in node if necessary
         if ($obj->getLevel() !== $level) {
             $obj->setLevel($level);
             $obj->save($con);
         }
     }
     $stmt->closeCursor();
 }
Пример #3
0
 /**
  * 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 $con A connection object
  *
  * @return   Especialidad A model object, or null if the key is not found
  * @throws   PropelException
  */
 protected function findPkSimple($key, $con)
 {
     $sql = 'SELECT `ID`, `NOMBRE`, `MEDICA`, `QUIRURGICA`, `ACTIVO`, `CREATED_AT`, `TREE_LEFT`, `TREE_RIGHT`, `TREE_LEVEL`, `TREE_SCOPE` FROM `siga_especialidad` 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 Especialidad();
         $obj->hydrate($row);
         EspecialidadPeer::addInstanceToPool($obj, (string) $key);
     }
     $stmt->closeCursor();
     return $obj;
 }
Пример #4
0
 /**
  * Selects a collection of Agenda objects pre-filled with all related objects except Atencion.
  *
  * @param      Criteria  $criteria
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return array           Array of Agenda objects.
  * @throws PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptAtencion(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $criteria = clone $criteria;
     // Set the correct dbName if it has not been overridden
     // $criteria->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($criteria->getDbName() == Propel::getDefaultDB()) {
         $criteria->setDbName(AgendaPeer::DATABASE_NAME);
     }
     AgendaPeer::addSelectColumns($criteria);
     $startcol2 = AgendaPeer::NUM_HYDRATE_COLUMNS;
     SalaquirurgicaPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + SalaquirurgicaPeer::NUM_HYDRATE_COLUMNS;
     QuirofanoPeer::addSelectColumns($criteria);
     $startcol4 = $startcol3 + QuirofanoPeer::NUM_HYDRATE_COLUMNS;
     RiesgoqxPeer::addSelectColumns($criteria);
     $startcol5 = $startcol4 + RiesgoqxPeer::NUM_HYDRATE_COLUMNS;
     ContaminacionqxPeer::addSelectColumns($criteria);
     $startcol6 = $startcol5 + ContaminacionqxPeer::NUM_HYDRATE_COLUMNS;
     EventoqxPeer::addSelectColumns($criteria);
     $startcol7 = $startcol6 + EventoqxPeer::NUM_HYDRATE_COLUMNS;
     ProcedimientoPeer::addSelectColumns($criteria);
     $startcol8 = $startcol7 + ProcedimientoPeer::NUM_HYDRATE_COLUMNS;
     CausadiferidoPeer::addSelectColumns($criteria);
     $startcol9 = $startcol8 + CausadiferidoPeer::NUM_HYDRATE_COLUMNS;
     EspecialidadPeer::addSelectColumns($criteria);
     $startcol10 = $startcol9 + EspecialidadPeer::NUM_HYDRATE_COLUMNS;
     $criteria->addJoin(AgendaPeer::SALA_ID, SalaquirurgicaPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::QUIROFANO_ID, QuirofanoPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::RIESGOQX_ID, RiesgoqxPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::CONTAMINACIONQX_ID, ContaminacionqxPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::EVENTOQX_ID, EventoqxPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::TIPO_PROC_ID, ProcedimientoPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::CAUSA_DIFERIDO_ID, CausadiferidoPeer::ID, $join_behavior);
     $criteria->addJoin(AgendaPeer::SERVICIO, EspecialidadPeer::ID, $join_behavior);
     // symfony_behaviors behavior
     foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook) {
         call_user_func($sf_hook, 'BaseAgendaPeer', $criteria, $con);
     }
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = AgendaPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = AgendaPeer::getInstanceFromPool($key1))) {
             // We no longer rehydrate the object, since this can cause data loss.
             // See http://www.propelorm.org/ticket/509
             // $obj1->hydrate($row, 0, true); // rehydrate
         } else {
             $cls = AgendaPeer::getOMClass();
             $obj1 = new $cls();
             $obj1->hydrate($row);
             AgendaPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Salaquirurgica rows
         $key2 = SalaquirurgicaPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = SalaquirurgicaPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = SalaquirurgicaPeer::getOMClass();
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 SalaquirurgicaPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj2 (Salaquirurgica)
             $obj2->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Quirofano rows
         $key3 = QuirofanoPeer::getPrimaryKeyHashFromRow($row, $startcol3);
         if ($key3 !== null) {
             $obj3 = QuirofanoPeer::getInstanceFromPool($key3);
             if (!$obj3) {
                 $cls = QuirofanoPeer::getOMClass();
                 $obj3 = new $cls();
                 $obj3->hydrate($row, $startcol3);
                 QuirofanoPeer::addInstanceToPool($obj3, $key3);
             }
             // if $obj3 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj3 (Quirofano)
             $obj3->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Riesgoqx rows
         $key4 = RiesgoqxPeer::getPrimaryKeyHashFromRow($row, $startcol4);
         if ($key4 !== null) {
             $obj4 = RiesgoqxPeer::getInstanceFromPool($key4);
             if (!$obj4) {
                 $cls = RiesgoqxPeer::getOMClass();
                 $obj4 = new $cls();
                 $obj4->hydrate($row, $startcol4);
                 RiesgoqxPeer::addInstanceToPool($obj4, $key4);
             }
             // if $obj4 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj4 (Riesgoqx)
             $obj4->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Contaminacionqx rows
         $key5 = ContaminacionqxPeer::getPrimaryKeyHashFromRow($row, $startcol5);
         if ($key5 !== null) {
             $obj5 = ContaminacionqxPeer::getInstanceFromPool($key5);
             if (!$obj5) {
                 $cls = ContaminacionqxPeer::getOMClass();
                 $obj5 = new $cls();
                 $obj5->hydrate($row, $startcol5);
                 ContaminacionqxPeer::addInstanceToPool($obj5, $key5);
             }
             // if $obj5 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj5 (Contaminacionqx)
             $obj5->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Eventoqx rows
         $key6 = EventoqxPeer::getPrimaryKeyHashFromRow($row, $startcol6);
         if ($key6 !== null) {
             $obj6 = EventoqxPeer::getInstanceFromPool($key6);
             if (!$obj6) {
                 $cls = EventoqxPeer::getOMClass();
                 $obj6 = new $cls();
                 $obj6->hydrate($row, $startcol6);
                 EventoqxPeer::addInstanceToPool($obj6, $key6);
             }
             // if $obj6 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj6 (Eventoqx)
             $obj6->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Procedimiento rows
         $key7 = ProcedimientoPeer::getPrimaryKeyHashFromRow($row, $startcol7);
         if ($key7 !== null) {
             $obj7 = ProcedimientoPeer::getInstanceFromPool($key7);
             if (!$obj7) {
                 $cls = ProcedimientoPeer::getOMClass();
                 $obj7 = new $cls();
                 $obj7->hydrate($row, $startcol7);
                 ProcedimientoPeer::addInstanceToPool($obj7, $key7);
             }
             // if $obj7 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj7 (Procedimiento)
             $obj7->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Causadiferido rows
         $key8 = CausadiferidoPeer::getPrimaryKeyHashFromRow($row, $startcol8);
         if ($key8 !== null) {
             $obj8 = CausadiferidoPeer::getInstanceFromPool($key8);
             if (!$obj8) {
                 $cls = CausadiferidoPeer::getOMClass();
                 $obj8 = new $cls();
                 $obj8->hydrate($row, $startcol8);
                 CausadiferidoPeer::addInstanceToPool($obj8, $key8);
             }
             // if $obj8 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj8 (Causadiferido)
             $obj8->addAgenda($obj1);
         }
         // if joined row is not null
         // Add objects for joined Especialidad rows
         $key9 = EspecialidadPeer::getPrimaryKeyHashFromRow($row, $startcol9);
         if ($key9 !== null) {
             $obj9 = EspecialidadPeer::getInstanceFromPool($key9);
             if (!$obj9) {
                 $cls = EspecialidadPeer::getOMClass();
                 $obj9 = new $cls();
                 $obj9->hydrate($row, $startcol9);
                 EspecialidadPeer::addInstanceToPool($obj9, $key9);
             }
             // if $obj9 already loaded
             // Add the $obj1 (Agenda) to the collection in $obj9 (Especialidad)
             $obj9->addAgenda($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }
Пример #5
0
 /**
  * Populates an object of the default type or an object that inherit from the default.
  *
  * @param      array $row PropelPDO resultset row.
  * @param      int $startcol The 0-based offset for reading from the resultset row.
  * @throws PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  * @return array (Especialidad object, last column rank)
  */
 public static function populateObject($row, $startcol = 0)
 {
     $key = EspecialidadPeer::getPrimaryKeyHashFromRow($row, $startcol);
     if (null !== ($obj = EspecialidadPeer::getInstanceFromPool($key))) {
         // We no longer rehydrate the object, since this can cause data loss.
         // See http://www.propelorm.org/ticket/509
         // $obj->hydrate($row, $startcol, true); // rehydrate
         $col = $startcol + EspecialidadPeer::NUM_HYDRATE_COLUMNS;
     } else {
         $cls = EspecialidadPeer::OM_CLASS;
         $obj = new $cls();
         $col = $obj->hydrate($row, $startcol);
         EspecialidadPeer::addInstanceToPool($obj, $key);
     }
     return array($obj, $col);
 }
 /**
  * Selects a collection of Procedimientocirugia objects pre-filled with all related objects except Agenda.
  *
  * @param      Criteria  $criteria
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return array           Array of Procedimientocirugia objects.
  * @throws PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptAgenda(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $criteria = clone $criteria;
     // Set the correct dbName if it has not been overridden
     // $criteria->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($criteria->getDbName() == Propel::getDefaultDB()) {
         $criteria->setDbName(ProcedimientocirugiaPeer::DATABASE_NAME);
     }
     ProcedimientocirugiaPeer::addSelectColumns($criteria);
     $startcol2 = ProcedimientocirugiaPeer::NUM_HYDRATE_COLUMNS;
     EspecialidadPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + EspecialidadPeer::NUM_HYDRATE_COLUMNS;
     $criteria->addJoin(ProcedimientocirugiaPeer::SERVICIO_ID, EspecialidadPeer::ID, $join_behavior);
     // symfony_behaviors behavior
     foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook) {
         call_user_func($sf_hook, 'BaseProcedimientocirugiaPeer', $criteria, $con);
     }
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = ProcedimientocirugiaPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = ProcedimientocirugiaPeer::getInstanceFromPool($key1))) {
             // We no longer rehydrate the object, since this can cause data loss.
             // See http://www.propelorm.org/ticket/509
             // $obj1->hydrate($row, 0, true); // rehydrate
         } else {
             $cls = ProcedimientocirugiaPeer::getOMClass();
             $obj1 = new $cls();
             $obj1->hydrate($row);
             ProcedimientocirugiaPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Especialidad rows
         $key2 = EspecialidadPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = EspecialidadPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = EspecialidadPeer::getOMClass();
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 EspecialidadPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (Procedimientocirugia) to the collection in $obj2 (Especialidad)
             $obj2->addProcedimientocirugia($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }
Пример #7
0
 /**
  * Persists this object to the database.
  *
  * If the object is new, it inserts it; otherwise an update is performed.
  * All modified related objects will also be persisted in the doSave()
  * method.  This method wraps all precipitate database operations in a
  * single transaction.
  *
  * @param PropelPDO $con
  * @return int             The number of rows affected by this insert/update and any referring fk objects' save() operations.
  * @throws PropelException
  * @throws Exception
  * @see        doSave()
  */
 public function save(PropelPDO $con = null)
 {
     if ($this->isDeleted()) {
         throw new PropelException("You cannot save an object that has been deleted.");
     }
     if ($con === null) {
         $con = Propel::getConnection(EspecialidadPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
     }
     $con->beginTransaction();
     $isInsert = $this->isNew();
     try {
         $ret = $this->preSave($con);
         // nested_set behavior
         if ($this->isNew() && $this->isRoot()) {
             // check if no other root exist in, the tree
             $nbRoots = EspecialidadQuery::create()->addUsingAlias(EspecialidadPeer::LEFT_COL, 1, Criteria::EQUAL)->addUsingAlias(EspecialidadPeer::SCOPE_COL, $this->getScopeValue(), Criteria::EQUAL)->count($con);
             if ($nbRoots > 0) {
                 throw new PropelException(sprintf('A root node already exists in this tree with scope "%s".', $this->getScopeValue()));
             }
         }
         $this->processNestedSetQueries($con);
         // symfony_behaviors behavior
         foreach (sfMixer::getCallables('BaseEspecialidad:save:pre') as $callable) {
             if (is_integer($affectedRows = call_user_func($callable, $this, $con))) {
                 $con->commit();
                 return $affectedRows;
             }
         }
         if ($isInsert) {
             $ret = $ret && $this->preInsert($con);
             // symfony_timestampable behavior
             if (!$this->isColumnModified(EspecialidadPeer::CREATED_AT)) {
                 $this->setCreatedAt(time());
             }
         } else {
             $ret = $ret && $this->preUpdate($con);
         }
         if ($ret) {
             $affectedRows = $this->doSave($con);
             if ($isInsert) {
                 $this->postInsert($con);
             } else {
                 $this->postUpdate($con);
             }
             $this->postSave($con);
             // symfony_behaviors behavior
             foreach (sfMixer::getCallables('BaseEspecialidad:save:post') as $callable) {
                 call_user_func($callable, $this, $con, $affectedRows);
             }
             EspecialidadPeer::addInstanceToPool($this);
         } else {
             $affectedRows = 0;
         }
         $con->commit();
         return $affectedRows;
     } catch (Exception $e) {
         $con->rollBack();
         throw $e;
     }
 }
Пример #8
0
 /**
  * Selects a collection of Medicoespecialidad objects pre-filled with all related objects except Medico.
  *
  * @param      Criteria  $criteria
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return array           Array of Medicoespecialidad objects.
  * @throws PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptMedico(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $criteria = clone $criteria;
     // Set the correct dbName if it has not been overridden
     // $criteria->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($criteria->getDbName() == Propel::getDefaultDB()) {
         $criteria->setDbName(MedicoespecialidadPeer::DATABASE_NAME);
     }
     MedicoespecialidadPeer::addSelectColumns($criteria);
     $startcol2 = MedicoespecialidadPeer::NUM_HYDRATE_COLUMNS;
     EspecialidadPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + EspecialidadPeer::NUM_HYDRATE_COLUMNS;
     $criteria->addJoin(MedicoespecialidadPeer::IDESPECIALIDAD, EspecialidadPeer::IDESPECIALIDAD, $join_behavior);
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = MedicoespecialidadPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = MedicoespecialidadPeer::getInstanceFromPool($key1))) {
             // We no longer rehydrate the object, since this can cause data loss.
             // See http://www.propelorm.org/ticket/509
             // $obj1->hydrate($row, 0, true); // rehydrate
         } else {
             $cls = MedicoespecialidadPeer::getOMClass();
             $obj1 = new $cls();
             $obj1->hydrate($row);
             MedicoespecialidadPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Especialidad rows
         $key2 = EspecialidadPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = EspecialidadPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = EspecialidadPeer::getOMClass();
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 EspecialidadPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (Medicoespecialidad) to the collection in $obj2 (Especialidad)
             $obj2->addMedicoespecialidad($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }
Пример #9
0
 /**
  * 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 $con A connection object
  *
  * @return                 Especialidad A model object, or null if the key is not found
  * @throws PropelException
  */
 protected function findPkSimple($key, $con)
 {
     $sql = 'SELECT `idespecialidad`, `especialidad_nombre`, `especialidad_descripcion` FROM `especialidad` WHERE `idespecialidad` = :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 Especialidad();
         $obj->hydrate($row);
         EspecialidadPeer::addInstanceToPool($obj, (string) $key);
     }
     $stmt->closeCursor();
     return $obj;
 }