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BUGFIX: Fixed Hierarchy::liveChildren() to work on PostgreSQL

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@87210 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-09-24 05:22:12 +00:00
parent b8617a5cab
commit 45fb4e0182
1 changed files with 20 additions and 8 deletions
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28
core/model/Hierarchy.php
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@ -516,20 +516,32 @@ class Hierarchy extends DataObjectDecorator {
$join = "";
$baseClass = ClassInfo::baseDataClass($this->owner->class);
$filter = "\"{$baseClass}\".\"ParentID\" = " . (int)$this->owner->ID
. " AND \"{$baseClass}\".\"ID\" != " . (int)$this->owner->ID;
if($onlyDeletedFromStage) {
// Note that the lack of double-quotes around $baseClass are the only thing preventing
// it from being rewritten to {$baseClass}_Live. This is brittle, won't work in
// postgres, and will need to be fixed *somehow*. Also, this code should probably be
// refactored to be pushed into Versioned somehow; perhaps a "doesn't exist on stage X"
// option for get_by_stage.
// it from being rewritten to {$baseClass}_Live. This is brittle and a little clumsy
$join = "LEFT JOIN {$baseClass} ON {$baseClass}.\"ID\" = \"{$baseClass}\".\"ID\"";
$extraFilter .= " AND {$baseClass}.\"ID\" IS NULL";
$filter .= " AND {$baseClass}.\"ID\" IS NULL";
}
$oldStage = Versioned::current_stage();
Versioned::reading_stage('Live');
return Versioned::get_by_stage($baseClass, "Live", "\"{$baseClass}\".\"ParentID\" = "
. (int)$this->owner->ID . " AND \"{$baseClass}\".\"ID\" != " . (int)$this->owner->ID
. $extraFilter, null, $join);
$query = $this->owner->extendedSQL($filter, null, null, $join);
// Since we didn't include double quotes in the join & filter, we need to add them into the
// SQL now, after Versioned has done is query rewriting
$correctedSQL = str_replace(array("LEFT JOIN {$baseClass}", "{$baseClass}.\"ID\""),
array("LEFT JOIN \"{$baseClass}\"", "\"{$baseClass}\".\"ID\""), $query->sql());
$result = $this->owner->buildDataObjectSet(DB::query($correctedSQL));
Versioned::reading_stage($oldStage);
return $result;
}
/**