BUGFIX: getItem didn't consider the PostgreSQL SQL syntax. Columns wi…

…th Capital letters must be quoted. Added quotes to the where clause in getItem. I didn't added quotes to the baseTable because it causes PostgreSQL errors (tables can not be double quoted, just single quoted).

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@109591 467b73ca-7a2a-4603-9d3b-597d59a354a9

core/model/SQLMap.php

@@ -38,7 +38,7 @@ public function __construct(SQLQuery $query, $keyField = "ID", $titleField = "Ti
 	public function getItem($id) {
 		if($id) {
 			$baseTable = reset($this->query->from);
-			$this->query->where[] = "$baseTable.ID = $id";
+			$this->query->where[] = "$baseTable.\"ID\" = $id";
 			$record = $this->query->execute()->first();
 			if($record) {
 				$className = $record['ClassName'];