Fixes Ticket #2999, HABTM save multiple for PostgreSQL

Merged changes from 1.2 DboOdbc into 1.1

git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@5603 3807eeeb-6ff5-0310-8944-8be069107fe0

cake/libs/model/datasources/dbo/dbo_postgres.php

@@ -578,6 +578,18 @@ class DboPostgres extends DboSource {
 	function getEncoding() {
 		return pg_client_encoding($this->connection);
 	}
+/**
+ * Inserts multiple values into a join table
+ *
+ * @param string $table
+ * @param string $fields
+ * @param array $values
+ */
+	function insertMulti($table, $fields, $values) {
+		$count = count($values);
+		for ($x = 0; $x < $count; $x++) {
+			$this->query("INSERT INTO {$table} ({$fields}) VALUES {$values[$x]}");
+		}
+	}
 }
-
 ?>