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N°1420 - Performances enhancement (enhance counts)

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SVN:trunk[5844]
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Eric Espié
2018-06-08 13:13:33 +00:00
parent 04b8fe3326
commit f920851420
5 changed files with 78 additions and 20 deletions
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70
core/dbobjectset.class.php
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@@ -570,7 +570,7 @@ class DBObjectSet implements iDBObjectSetIterator
$aAttributes = array();
foreach ($aAliases as $sAlias => $bClassDirection)
{
foreach (MetaModel::GetOrderByDefault($this->m_oFilter->GetClass($sAlias)) as $sAttCode => $bAttributeDirection)
foreach (MetaModel::GetOrderByDefault($this->m_oFilter->GetClass()) as $sAttCode => $bAttributeDirection)
{
$bDirection = $bClassDirection ? $bAttributeDirection : !$bAttributeDirection;
$aAttributes[$sAlias.'.'.$sAttCode] = $bDirection;
@@ -728,16 +728,72 @@ class DBObjectSet implements iDBObjectSetIterator
return $this->m_iNumTotalDBRows + count($this->m_aAddedObjects); // Does it fix Trac #887 ??
}
/** Check if the count exceeds a given limit
* @param $iLimit
*
* @return bool
* @throws \CoreException
* @throws \MissingQueryArgument
* @throws \MySQLException
* @throws \MySQLHasGoneAwayException
*/
public function CountExceeds($iLimit)
{
$sSQL = $this->m_oFilter->MakeSelectQuery(array(), $this->m_aArgs, null, null, $iLimit + 2, 0, true);
$resQuery = CMDBSource::Query($sSQL);
if (!$resQuery) return (0 > $iLimit);
if (is_null($this->m_iNumTotalDBRows))
{
$sSQL = $this->m_oFilter->MakeSelectQuery(array(), $this->m_aArgs, null, null, $iLimit + 2, 0, true);
$resQuery = CMDBSource::Query($sSQL);
if ($resQuery)
{
$aRow = CMDBSource::FetchArray($resQuery);
CMDBSource::FreeResult($resQuery);
$iCount = intval($aRow['COUNT']);
}
else
{
$iCount = 0;
}
}
else
{
$iCount = $this->m_iNumTotalDBRows;
}
$aRow = CMDBSource::FetchArray($resQuery);
CMDBSource::FreeResult($resQuery);
return ($iCount > $iLimit);
}
return (intval($aRow['COUNT']) > $iLimit);
/** Count only up to the given limit
* @param $iLimit
*
* @return int
* @throws \CoreException
* @throws \MissingQueryArgument
* @throws \MySQLException
* @throws \MySQLHasGoneAwayException
*/
public function CountWithLimit($iLimit)
{
if (is_null($this->m_iNumTotalDBRows))
{
$sSQL = $this->m_oFilter->MakeSelectQuery(array(), $this->m_aArgs, null, null, $iLimit + 2, 0, true);
$resQuery = CMDBSource::Query($sSQL);
if ($resQuery)
{
$aRow = CMDBSource::FetchArray($resQuery);
CMDBSource::FreeResult($resQuery);
$iCount = intval($aRow['COUNT']);
}
else
{
$iCount = 0;
}
}
else
{
$iCount = $this->m_iNumTotalDBRows;
}
return $iCount;
}
/**