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N°1161 - Add functions, order by and limits to DBSearch::MakeGroupByQuery()

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SVN:trunk[5350]
This commit is contained in:
Eric Espié
2018-02-16 12:59:35 +00:00
parent 7ea9b5b2f3
commit 03f9a9fcac
10 changed files with 1044 additions and 45 deletions
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52
core/sqlunionquery.class.inc.php
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@@ -38,8 +38,9 @@ class SQLUnionQuery extends SQLQuery
{
protected $aQueries;
protected $aGroupBy;
protected $aSelectExpr;
public function __construct($aQueries, $aGroupBy)
public function __construct($aQueries, $aGroupBy, $aSelectExpr = array())
{
parent::__construct();
@@ -49,6 +50,7 @@ class SQLUnionQuery extends SQLQuery
$this->aQueries[] = $oSQLQuery->DeepClone();
}
$this->aGroupBy = $aGroupBy;
$this->aSelectExpr = $aSelectExpr;
}
public function DisplayHtml()
@@ -129,7 +131,17 @@ class SQLUnionQuery extends SQLQuery
}
// Interface, build the SQL query
public function RenderGroupBy($aArgs = array(), $bBeautifulQuery = false)
/**
* @param array $aArgs
* @param bool $bBeautifulQuery
* @param array $aOrderBy
* @param int $iLimitCount
* @param int $iLimitStart
* @return string
* @throws CoreException
*/
public function RenderGroupBy($aArgs = array(), $bBeautifulQuery = false, $aOrderBy = array(), $iLimitCount = 0, $iLimitStart = 0)
{
$this->m_bBeautifulQuery = $bBeautifulQuery;
$sLineSep = $this->m_bBeautifulQuery ? "\n" : '';
@@ -143,15 +155,41 @@ class SQLUnionQuery extends SQLQuery
$sSelects = '('.implode(")$sLineSep UNION$sLineSep(", $aSelects).')';
$sFrom = "($sLineSep$sSelects$sLineSep) as __selects__";
$aAliases = array();
$aSelectAliases = array();
$aGroupAliases = array();
foreach ($this->aGroupBy as $sGroupAlias => $trash)
{
$aAliases[] = "`$sGroupAlias`";
$aSelectAliases[$sGroupAlias] = "`$sGroupAlias`";
$aGroupAliases[] = "`$sGroupAlias`";
}
foreach($this->aSelectExpr as $sSelectAlias => $oExpr)
{
$aSelectAliases[$sSelectAlias] = $oExpr->Render()." AS `$sSelectAlias`";
}
$sSelect = implode(', ', $aAliases);
$sGroupBy = implode(', ', $aAliases);
$sSQL = "SELECT $sSelect,$sLineSep COUNT(*) AS _itop_count_$sLineSep FROM $sFrom$sLineSep GROUP BY $sGroupBy";
$sSelect = implode(",$sLineSep ", $aSelectAliases);
$sGroupBy = implode(', ', $aGroupAliases);
$sOrderBy = self::ClauseOrderBy($aOrderBy, $aSelectAliases);
if (!empty($sGroupBy))
{
$sGroupBy = "GROUP BY $sGroupBy$sLineSep";
}
if (!empty($sOrderBy))
{
$sOrderBy = "ORDER BY $sOrderBy$sLineSep";
}
if ($iLimitCount > 0)
{
$sLimit = 'LIMIT '.$iLimitStart.', '.$iLimitCount;
}
else
{
$sLimit = '';
}
$sSQL = "SELECT $sSelect,$sLineSep COUNT(*) AS _itop_count_$sLineSep FROM $sFrom$sLineSep $sGroupBy $sOrderBy$sLineSep $sLimit";
return $sSQL;
}