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N°2272 - OQL performance (empty class alias)

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Eric
2019-09-25 17:43:00 +02:00
parent e0374dd186
commit ff3ec219ef
4 changed files with 44 additions and 6 deletions
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21
core/querybuildercontext.class.inc.php
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@@ -31,6 +31,7 @@ class QueryBuilderContext
protected $m_aModifierProperties;
protected $m_aSelectedClasses;
protected $m_aFilteredTables;
protected $m_sEmptyClassAlias;
public $m_oQBExpressions;
@@ -69,8 +70,14 @@ class QueryBuilderContext
// Add all the attribute of interest
foreach ($this->m_aSelectedClasses as $sClassAlias => $sClass)
{
$sTableAlias = $sClassAlias;
if (empty($sTableAlias))
{
$sTableAlias = $this->GenerateClassAlias("$sClass", $sClass);
$this->m_sEmptyClassAlias = $sTableAlias;
}
// default to the whole list of attributes + the very std id/finalclass
$this->m_oQBExpressions->AddSelect($sClassAlias.'id', new FieldExpression('id', $sClassAlias));
$this->m_oQBExpressions->AddSelect($sClassAlias.'id', new FieldExpression('id', $sTableAlias));
if (is_null($aAttToLoad) || !array_key_exists($sClassAlias, $aAttToLoad))
{
$sSelectedClass = $this->GetSelectedClass($sClassAlias);
@@ -86,7 +93,7 @@ class QueryBuilderContext
{
continue;
}
$oExpression = new FieldExpression($sAttCode, $sClassAlias);
$oExpression = new FieldExpression($sAttCode, $sTableAlias);
$this->m_oQBExpressions->AddSelect($sClassAlias.$sAttCode, $oExpression);
}
}
@@ -140,4 +147,14 @@ class QueryBuilderContext
{
return $this->m_aFilteredTables;
}
/**
* @return string
*/
public function GetEmptyClassAlias()
{
return $this->m_sEmptyClassAlias;
}
}