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Fixed 4.1-sort-by-group-aggregate query rewriter for sort functions containing columns, eg, ORDER BY if(A,B,C), X

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.2.2@50172 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2008-02-25 23:03:10 +00:00
parent 974238b296
commit 5fd878e19f
1 changed files with 13 additions and 1 deletions
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14
core/model/DataObject.php
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@ -1387,7 +1387,19 @@ class DataObject extends ViewableData implements DataObjectInterface {
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 => $sortPart) {
// If you have select if(X,A,B),C then the array will return 'if(X','A','B)','C'.
// Turn this into 'if(X,A,B)','C' by counting brackets
while(list($i,$sortPart) = each($sortParts)) {
while(substr_count($sortPart,'(') > substr_count($sortPart,')')) {
list($i,$nextSortPart) = each($sortParts);
if($i === null) break;
$sortPart .= ',' . $nextSortPart;
}
$lumpedSortParts[] = $sortPart;
}
foreach($lumpedSortParts as $i => $sortPart) {
$sortPart = trim($sortPart);
if(substr(strtolower($sortPart),-5) == ' desc') {
$select[] = substr($sortPart,0,-5) . " AS _SortColumn{$i}";