/**
* @return SelectQuery
**/
public function makeCountQuery()
{
$query = $this->makeFetchQuery();
if ($query->isDistinct()) {
$countFunction = SQLFunction::create('count', DBField::create($this->container->getDao()->getIdName(), $this->container->getDao()->getTable()))->setAggregateDistinct();
$query->unDistinct();
} else {
$countFunction = SQLFunction::create('count', DBValue::create('*'));
}
return $query->dropFields()->dropOrder()->dropLimit()->get($countFunction->setAlias('count'));
}
/**
* @return SQLFunction
**/
protected function getFunction(Criteria $criteria, JoinCapableQuery $query)
{
Assert::isNotNull($this->property);
return SQLFunction::create('count', $this->property ? $criteria->getDao()->guessAtom($this->property, $query) : $criteria->getDao()->getIdName());
}
/**
* @return JoinCapableQuery
**/
public function process(Criteria $criteria, JoinCapableQuery $query)
{
Assert::isNotNull($this->property);
return $query->get(SQLFunction::create($this->getFunctionName(), $criteria->getDao()->guessAtom($this->property, $query))->setAlias($this->alias));
}
/**
* @return DialectString
* FIXME: DBI-result, method works only for PostgreSQL.
* Research how to generate series of values in MySQL and implement
* this.
**/
private function getSeriesGenerator($start, $stop, $step = null)
{
if (!$step) {
$result = SQLFunction::create('generate_series', DBValue::create($start)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($stop)->castTo(DataType::create(DataType::INTEGER)->getName()));
} else {
$result = SQLFunction::create('generate_series', DBValue::create($start)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($stop)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($step)->castTo(DataType::create(DataType::INTEGER)->getName()));
}
return $result;
}
public function toDialectString(Dialect $dialect)
{
return '(' . $dialect->toFieldString(SQLFunction::create('lower', $this->left)) . ' = ' . $dialect->toValueString(is_string($this->right) ? mb_strtolower($this->right) : SQLFunction::create('lower', $this->right)) . ')';
}
public function getQueryResult(SelectQuery $query, $expires = Cache::DO_NOT_CACHE)
{
if ($expires !== Cache::DO_NOT_CACHE && ($list = $this->getCachedByQuery($query))) {
return $list;
} else {
$list = $this->fetchList($query);
$count = clone $query;
$count = DBPool::getByDao($this->dao)->queryRow($count->dropFields()->dropOrder()->limit(null, null)->get(SQLFunction::create('COUNT', '*')->setAlias('count')));
return $this->cacheByQuery($query, $list ? QueryResult::create()->setList($list)->setCount($count['count'])->setQuery($query) : QueryResult::create(), $expires);
}
}
/**
* @return SelectQuery
**/
public function makeTotalCountQuery()
{
return OSQL::select()->get(SQLFunction::create('count', DBValue::create('*')))->from($this->getTable());
}
