112 lines
2.3 KiB
PHP
112 lines
2.3 KiB
PHP
<?php
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/**
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* Doctrine_View
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*
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* this class represents a database view
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*/
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class Doctrine_View {
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/**
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* SQL DROP constant
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*/
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const DROP = 'DROP VIEW %s';
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/**
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* SQL CREATE constant
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*/
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const CREATE = 'CREATE VIEW %s AS %s';
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/**
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* SQL SELECT constant
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*/
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const SELECT = 'SELECT * FROM %s';
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/**
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* @var string $name
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*/
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protected $name;
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/**
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* @var Doctrine_Query $query
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*/
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protected $query;
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/**
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* @var PDO $dbh
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*/
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protected $dbh;
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/**
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* constructor
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*
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* @param Doctrine_Query $query
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*/
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public function __construct(Doctrine_Query $query) {
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$this->name = get_class($this);
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$this->query = $query;
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$this->query->setView($this);
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$this->dbh = $query->getSession()->getDBH();
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}
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/**
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* simple get method for getting
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* the associated query object
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*
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* @return Doctrine_Query
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*/
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public function getQuery() {
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return $this->query;
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}
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/**
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* returns the name of this view
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*
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* @return string
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*/
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public function getName() {
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return $this->name;
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}
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/**
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* returns the database handler
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*
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* @return PDO
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*/
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public function getDBH() {
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return $this->dbh;
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}
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/**
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* creates this view
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*
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* @return void
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*/
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public function create() {
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$sql = sprintf(self::CREATE, $this->name, $this->query->getQuery());
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try {
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$this->dbh->query($sql);
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} catch(Exception $e) {
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throw new Doctrine_View_Exception($e->__toString());
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}
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}
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/**
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* drops this view
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*
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* @return void
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*/
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public function drop() {
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try {
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$this->dbh->query(sprintf(self::DROP, $this->name));
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} catch(Exception $e) {
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throw new Doctrine_View_Exception($e->__toString());
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}
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}
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/**
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* executes the view
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*
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* @return Doctrine_Collection
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*/
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public function execute() {
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return $this->query->execute();
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}
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/**
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* @return string
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*/
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public function getSelectSql() {
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return sprintf(self::SELECT, $this->name);
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}
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}
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?>
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