# 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.

mode cockroach

statement ok
CREATE TABLE data (input text)

statement ok
INSERT INTO data VALUES
    ('asdfjkl'), ('foo'), ('asdf'), ('testing,123'),
    (NULL), ('jkl'), ('some,csv')

query TTT colnames
SELECT data.*, reg.*
FROM data, regexp_extract('(asdf)|(?P<foo>jkl)', data.input) reg
ORDER BY data.input
----
input    column1  foo
asdf     asdf     NULL
asdfjkl  asdf     NULL
jkl      NULL     jkl

# TODO(brennan): test that the regex columns have the correct nullability, once
# they actually do (database-issues#612).

query TTT colnames
SELECT data.*, csv.* FROM data, csv_extract(2, data.input) csv
ORDER BY data.input
----
input        column1  column2
some,csv     some     csv
testing,123  testing  123

query error db error: ERROR: csv_extract number of columns must be a positive integer literal
SELECT * FROM data, (VALUES (2)) ncols, csv_extract(ncols.column1, data.input)

query error db error: ERROR: csv_extract number of columns must be a positive integer literal
SELECT * FROM data, csv_extract((SELECT 2), data.input)

query error db error: ERROR: attempt to create relation with too many columns, 8193 max: 8192
SELECT * FROM data, csv_extract(8193, data.input)

statement ok
SELECT * FROM data, csv_extract(8192, data.input)