diff --git a/ext/pdo_sqlite/tests/pdo_sqlite_008.phpt b/ext/pdo_sqlite/tests/pdo_sqlite_008.phpt
new file mode 100755
index 00000000000..03eb014d81a
--- /dev/null
+++ b/ext/pdo_sqlite/tests/pdo_sqlite_008.phpt
@@ -0,0 +1,35 @@
+--TEST--
+PDO-SQLite: PDO_FETCH_UNIQUE conflict
+--SKIPIF--
+<?php # vim:ft=php
+if (!extension_loaded("pdo_sqlite")) print "skip"; ?>
+--FILE--
+<?php
+
+$db =new pdo('sqlite::memory:');
+
+$db->exec('CREATE TABLE test(id CHAR(1) PRIMARY KEY, val VARCHAR(10))');
+$db->exec('INSERT INTO test VALUES("A", "A")'); 
+$db->exec('INSERT INTO test VALUES("B", "A")'); 
+$db->exec('INSERT INTO test VALUES("C", "C")'); 
+
+var_dump($db->query('SELECT val, id FROM test')->fetchAll(PDO_FETCH_NUM|PDO_FETCH_UNIQUE));
+// check that repeated first columns overwrite existing array elements
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+array(2) {
+  ["A"]=>
+  array(1) {
+    [0]=>
+    string(1) "B"
+  }
+  ["C"]=>
+  array(1) {
+    [0]=>
+    string(1) "C"
+  }
+}
+===DONE===