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Fixed MySQL 4.1 support for situations where we are sorting by a group aggregation function

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Fixed notice level error 


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@49992 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2008-02-22 00:45:50 +00:00
parent 541c8a8904
commit 7779e1c2b0
1 changed files with 25 additions and 2 deletions
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27
core/model/DataObject.php
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@ -862,7 +862,7 @@ class DataObject extends ViewableData implements DataObjectInterface {
* @todo Implement query-params
*/
public function getManyManyComponents($componentName, $filter = "", $sort = "", $join = "", $limit = "") {
$sum = md5("{$filter}_{$sort}_{$join}_{$limit}_{$having}");
$sum = md5("{$filter}_{$sort}_{$join}_{$limit}");
if(isset($this->componentCache[$componentName . '_' . $sum]) && false != $this->componentCache[$componentName . '_' . $sum]) {
return $this->componentCache[$componentName . '_' . $sum];
}
@ -1380,9 +1380,32 @@ class DataObject extends ViewableData implements DataObjectInterface {
}
$baseClass = array_shift($tableClasses);
$select = array("`$baseClass`.*");
// If sort contains a function call, let's move the sort clause into a separate selected field.
// Some versions of MySQL choke if you have a group function referenced directly in the ORDER BY
if($sort && strpos($sort,'(') !== false) {
// Sort can be "Col1 DESC|ASC, Col2 DESC|ASC", we need to handle that
$sortParts = explode(",", $sort);
foreach($sortParts as $i => $sortPart) {
$sortPart = trim($sortPart);
if(substr(strtolower($sortPart),-5) == ' desc') {
$select[] = substr($sortPart,0,-5) . " AS _SortColumn{$i}";
$newSorts[] = "_SortColumn{$i} DESC";
} else if(substr(strtolower($sortPart),-4) == ' asc') {
$select[] = substr($sortPart,0,-4) . " AS _SortColumn{$i}";
$newSorts[] = "_SortColumn{$i} ASC";
} else {
$select[] = "$sortPart AS _SortColumn{$i}";
$newSorts[] = "_SortColumn{$i} ASC";
}
}
$sort = implode(", ", $newSorts);
}
// Build our intial query
$query = new SQLQuery(array("`$baseClass`.*"), "`$baseClass`", $filter, $sort);
$query = new SQLQuery($select, "`$baseClass`", $filter, $sort);
// Join all the tables
if($tableClasses) {