rows_from.slt

# 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/rows_from
#
# 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

query II colnames
SELECT * FROM ROWS FROM (generate_series(1,2), generate_series(4,8))
----
generate_series  generate_series
1                4
2                5
NULL             6
NULL             7
NULL             8

query II colnames
SELECT * FROM ROWS FROM (generate_series(1,4), generate_series(4,5))
----
generate_series  generate_series
1                4
2                5
3                NULL
4                NULL

query II colnames
SELECT * FROM ROWS FROM (generate_series(1,0), generate_series(1,0))
----
generate_series  generate_series

query II colnames
SELECT * FROM ROWS FROM (generate_series(1,0), generate_series(1,1))
----
generate_series  generate_series
NULL             1

query II colnames
SELECT * FROM ROWS FROM (generate_series(1,2), greatest(1,2,3,4))
----
generate_series  greatest
1                4
2                NULL

query IT colnames
SELECT * FROM ROWS FROM (generate_series(1,2), current_user)
----
generate_series  current_user
1                root
2                NULL

query TI colnames
SELECT * FROM ROWS FROM (current_user, generate_series(1,2))
----
current_user generate_series
root         1
NULL         2

query TT colnames
SELECT * FROM ROWS FROM (current_user, current_user)
----
current_user current_user
root         root

query III colnames
SELECT * FROM ROWS FROM (information_schema._pg_expandarray(array[4,5,6]), generate_series(10,15));
----
x     n     generate_series
4     1     10
5     2     11
6     3     12
NULL  NULL  13
NULL  NULL  14
NULL  NULL  15

# Regression test for #27389.

statement error pg_get_keywords\(\): set-returning functions must appear at the top level of FROM
SELECT * FROM ROWS FROM(generate_series(length((pg_get_keywords()).word),10));