# Copyright 2015 - 2019 The Cockroach Authors. All rights reserved.
# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.
#
# This file is derived from the logic test suite in CockroachDB. The
# original file was retrieved on June 10, 2019 from:
#
#     https://github.com/cockroachdb/cockroach/blob/d2f7fbf5dd1fc1a099bbad790a2e1f7c60a66cc3/pkg/sql/logictest/testdata/logic_test/collatedstring_nullinindex
#
# The original source code is subject to the terms of the Apache
# 2.0 license, a copy of which can be found in the LICENSE file at the
# root of this repository.

# not supported yet
halt

mode cockroach

statement ok
CREATE TABLE t (
  a INT PRIMARY KEY,
  b STRING COLLATE en
)

statement ok
INSERT INTO t VALUES (1, 'foo' COLLATE en), (2, NULL), (3, 'bar' COLLATE en)

statement ok
CREATE INDEX ON t (b, a)

# Test that unspecifying b is like specifying NULL.
statement ok
INSERT INTO t (a) VALUES(4)

statement ok
INSERT INTO t VALUES(5)

query T
SELECT b FROM t ORDER BY b
----
NULL
NULL
NULL
bar
foo