public function testNeedsSelectAliases()
{
$c = new Criteria();
$this->assertFalse(BasePeer::needsSelectAliases($c), 'Empty Criterias dont need aliases');
$c = new Criteria();
$c->addSelectColumn(BookPeer::ID);
$c->addSelectColumn(BookPeer::TITLE);
$this->assertFalse(BasePeer::needsSelectAliases($c), 'Criterias with distinct column names dont need aliases');
$c = new Criteria();
BookPeer::addSelectColumns($c);
$this->assertFalse(BasePeer::needsSelectAliases($c), 'Criterias with only the columns of a model dont need aliases');
$c = new Criteria();
$c->addSelectColumn(BookPeer::ID);
$c->addSelectColumn(AuthorPeer::ID);
$this->assertTrue(BasePeer::needsSelectAliases($c), 'Criterias with common column names do need aliases');
}
protected function doCount($con)
{
$dbMap = Propel::getDatabaseMap($this->getDbName());
$db = Propel::getDB($this->getDbName());
// check that the columns of the main class are already added (if this is the primary ModelCriteria)
if (!$this->hasSelectClause() && !$this->getPrimaryCriteria()) {
$this->addSelfSelectColumns();
}
$this->configureSelectColumns();
$needsComplexCount = $this->getGroupByColumns() || $this->getOffset() || $this->getLimit() || $this->getHaving() || in_array(Criteria::DISTINCT, $this->getSelectModifiers()) || count($this->selectQueries) > 0;
$params = array();
if ($needsComplexCount) {
if (BasePeer::needsSelectAliases($this)) {
if ($this->getHaving()) {
throw new PropelException('Propel cannot create a COUNT query when using HAVING and duplicate column names in the SELECT part');
}
$db->turnSelectColumnsToAliases($this);
}
$selectSql = BasePeer::createSelectSql($this, $params);
$sql = 'SELECT COUNT(*) FROM (' . $selectSql . ') propelmatch4cnt';
} else {
// Replace SELECT columns with COUNT(*)
$this->clearSelectColumns()->addSelectColumn('COUNT(*)');
$sql = BasePeer::createSelectSql($this, $params);
}
try {
$stmt = $con->prepare($sql);
$db->bindValues($stmt, $params, $dbMap);
$stmt->execute();
} catch (Exception $e) {
Propel::log($e->getMessage(), Propel::LOG_ERR);
throw new PropelException(sprintf('Unable to execute COUNT statement [%s]', $sql), $e);
}
return $stmt;
}
/**
* @see DBAdapter::applyLimit()
*
* @param string $sql
* @param integer $offset
* @param integer $limit
* @param null|Criteria $criteria
*/
public function applyLimit(&$sql, $offset, $limit, $criteria = null)
{
if (BasePeer::needsSelectAliases($criteria)) {
$crit = clone $criteria;
$selectSql = $this->createSelectSqlPart($crit, $params, true);
$sql = $selectSql . substr($sql, strpos($sql, 'FROM') - 1);
}
$sql = 'SELECT B.* FROM (' . 'SELECT A.*, rownum AS PROPEL_ROWNUM FROM (' . $sql . ') A ' . ') B WHERE ';
if ($offset > 0) {
$sql .= ' B.PROPEL_ROWNUM > ' . $offset;
if ($limit > 0) {
$sql .= ' AND B.PROPEL_ROWNUM <= ' . ($offset + $limit);
}
} else {
$sql .= ' B.PROPEL_ROWNUM <= ' . $limit;
}
}
protected function getCountStatement($con = null)
{
$dbMap = Propel::getDatabaseMap($this->getDbName());
$db = Propel::getDB($this->getDbName());
if ($con === null) {
$con = Propel::getConnection($this->getDbName(), Propel::CONNECTION_READ);
}
// check that the columns of the main class are already added (if this is the primary ModelCriteria)
if (!$this->hasSelectClause() && !$this->getPrimaryCriteria()) {
$this->addSelfSelectColumns();
}
$needsComplexCount = $this->getGroupByColumns() || $this->getOffset() || $this->getLimit() || $this->getHaving() || in_array(Criteria::DISTINCT, $this->getSelectModifiers());
$con->beginTransaction();
try {
$this->basePreSelect($con);
$params = array();
if ($needsComplexCount) {
if (BasePeer::needsSelectAliases($this)) {
if ($this->getHaving()) {
throw new PropelException('Propel cannot create a COUNT query when using HAVING and duplicate column names in the SELECT part');
}
BasePeer::turnSelectColumnsToAliases($this);
}
$selectSql = BasePeer::createSelectSql($this, $params);
$sql = 'SELECT COUNT(*) FROM (' . $selectSql . ') propelmatch4cnt';
} else {
// Replace SELECT columns with COUNT(*)
$this->clearSelectColumns()->addSelectColumn('COUNT(*)');
$sql = BasePeer::createSelectSql($this, $params);
}
$stmt = $con->prepare($sql);
BasePeer::populateStmtValues($stmt, $params, $dbMap, $db);
$stmt->execute();
$con->commit();
} catch (PropelException $e) {
$con->rollback();
throw $e;
}
return $stmt;
}
