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Optimizations: DBObjectSet::Count does it without loading all the data + possibility to specify LIMIT + restored the query cache (was inoperant) + improved the debug reports + added two settings (query_cache_enabled and debug_queries)

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SVN:trunk[756]
This commit is contained in:
Romain Quetiez
2010-09-03 21:23:37 +00:00
parent 65b669f27f
commit a9c0ba63df
6 changed files with 174 additions and 53 deletions
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39
core/dbobjectset.class.php
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@@ -38,11 +38,13 @@ class DBObjectSet
private $m_aId2Row;
private $m_iCurrRow;
public function __construct(DBObjectSearch $oFilter, $aOrderBy = array(), $aArgs = array())
public function __construct(DBObjectSearch $oFilter, $aOrderBy = array(), $aArgs = array(), $iLimitCount = 0, $iLimitStart = 0)
{
$this->m_oFilter = $oFilter;
$this->m_aOrderBy = $aOrderBy;
$this->m_aArgs = $aArgs;
$this->m_iLimitCount = $iLimitCount;
$this->m_iLimitStart = $iLimitStart;
$this->m_bLoaded = false;
$this->m_aData = array(); // array of (row => array of (classalias) => object)
@@ -194,11 +196,33 @@ class DBObjectSet
return MetaModel::GetRootClass($this->GetClass());
}
public function SetLimit($iLimitCount, $iLimitStart = 0)
{
$this->m_iLimitCount = $iLimitCount;
$this->m_iLimitStart = $iLimitStart;
}
public function GetLimitCount()
{
return $this->m_iLimitCount;
}
public function GetLimitStart()
{
return $this->m_iLimitStart;
}
public function Load()
{
if ($this->m_bLoaded) return;
$sSQL = MetaModel::MakeSelectQuery($this->m_oFilter, $this->m_aOrderBy, $this->m_aArgs);
if ($this->m_iLimitCount > 0)
{
$sSQL = MetaModel::MakeSelectQuery($this->m_oFilter, $this->m_aOrderBy, $this->m_aArgs, $this->m_iLimitCount, $this->m_iLimitStart);
}
else
{
$sSQL = MetaModel::MakeSelectQuery($this->m_oFilter, $this->m_aOrderBy, $this->m_aArgs);
}
$resQuery = CMDBSource::Query($sSQL);
if (!$resQuery) return;
@@ -220,8 +244,13 @@ class DBObjectSet
public function Count()
{
if (!$this->m_bLoaded) $this->Load();
return count($this->m_aData);
$sSQL = MetaModel::MakeSelectQuery($this->m_oFilter, $this->m_aOrderBy, $this->m_aArgs, 0, 0, true);
$resQuery = CMDBSource::Query($sSQL);
if (!$resQuery) return 0;
$aRow = CMDBSource::FetchArray($resQuery);
CMDBSource::FreeResult($resQuery);
return $aRow['COUNT'];
}
public function Fetch($sClassAlias = '')