Your IP : 216.73.216.43
<?php
namespace Laminas\Db\Sql\Platform\Oracle;
use Laminas\Db\Adapter\Driver\DriverInterface;
use Laminas\Db\Adapter\ParameterContainer;
use Laminas\Db\Adapter\Platform\PlatformInterface;
use Laminas\Db\Sql\Platform\PlatformDecoratorInterface;
use Laminas\Db\Sql\Select;
use function array_push;
use function array_shift;
use function array_unshift;
use function current;
use function strpos;
class SelectDecorator extends Select implements PlatformDecoratorInterface
{
/** @var Select */
protected $subject;
/**
* @param Select $select
*/
public function setSubject($select)
{
$this->subject = $select;
}
/**
* @see \Laminas\Db\Sql\Select::renderTable
*
* @param string $table
* @param null|string $alias
* @return string
*/
protected function renderTable($table, $alias = null)
{
return $table . ($alias ? ' ' . $alias : '');
}
protected function localizeVariables()
{
parent::localizeVariables();
unset($this->specifications[self::LIMIT]);
unset($this->specifications[self::OFFSET]);
$this->specifications['LIMITOFFSET'] = null;
}
/**
* @param array $sqls
* @param array $parameters
* @return null
*/
protected function processLimitOffset(
PlatformInterface $platform,
?DriverInterface $driver = null,
?ParameterContainer $parameterContainer = null,
&$sqls = [],
&$parameters = []
) {
if ($this->limit === null && $this->offset === null) {
return;
}
$selectParameters = $parameters[self::SELECT];
$starSuffix = $platform->getIdentifierSeparator() . self::SQL_STAR;
foreach ($selectParameters[0] as $i => $columnParameters) {
if (
$columnParameters[0] === self::SQL_STAR
|| (isset($columnParameters[1]) && $columnParameters[1] === self::SQL_STAR)
|| strpos($columnParameters[0], $starSuffix)
) {
$selectParameters[0] = [[self::SQL_STAR]];
break;
}
if (isset($columnParameters[1])) {
array_shift($columnParameters);
$selectParameters[0][$i] = $columnParameters;
}
}
if ($this->offset === null) {
$this->offset = 0;
}
// first, produce column list without compound names (using the AS portion only)
array_unshift($sqls, $this->createSqlFromSpecificationAndParameters([
'SELECT %1$s FROM (SELECT b.%1$s, rownum b_rownum FROM (' => current($this->specifications[self::SELECT]),
], $selectParameters));
if ($parameterContainer) {
$number = $this->processInfo['subselectCount'] ? $this->processInfo['subselectCount'] : '';
if ($this->limit === null) {
array_push(
$sqls,
') b ) WHERE b_rownum > (:offset' . $number . ')'
);
$parameterContainer->offsetSet(
'offset' . $number,
$this->offset,
$parameterContainer::TYPE_INTEGER
);
} else {
// create bottom part of query, with offset and limit using row_number
array_push(
$sqls,
') b WHERE rownum <= (:offset'
. $number
. '+:limit'
. $number
. ')) WHERE b_rownum >= (:offset'
. $number
. ' + 1)'
);
$parameterContainer->offsetSet(
'offset' . $number,
$this->offset,
$parameterContainer::TYPE_INTEGER
);
$parameterContainer->offsetSet(
'limit' . $number,
$this->limit,
$parameterContainer::TYPE_INTEGER
);
}
$this->processInfo['subselectCount']++;
} else {
if ($this->limit === null) {
array_push($sqls, ') b ) WHERE b_rownum > (' . (int) $this->offset . ')');
} else {
array_push(
$sqls,
') b WHERE rownum <= ('
. (int) $this->offset
. '+'
. (int) $this->limit
. ')) WHERE b_rownum >= ('
. (int) $this->offset
. ' + 1)'
);
}
}
$sqls[self::SELECT] = $this->createSqlFromSpecificationAndParameters(
$this->specifications[self::SELECT],
$parameters[self::SELECT]
);
}
}