# name: test/sql/parser/test_columns.test
# description: Test the columns expression
# group: [parser]

statement ok
PRAGMA enable_verification

statement ok
CREATE TABLE integers AS SELECT 42 i, 84 j UNION ALL SELECT 13, 14

query II
SELECT COLUMNS(*) FROM integers
----
42	84
13	14

query IIII
SELECT MIN(COLUMNS(*)), MAX(COLUMNS(*)) FROM integers
----
13	14	42	84

query II
SELECT MIN(COLUMNS(* EXCLUDE (j))), MAX(COLUMNS(* EXCLUDE (i))) FROM integers
----
13	84

query II
SELECT MIN(COLUMNS(* REPLACE (i+j AS i))) FROM integers
----
27	14

query II
SELECT COLUMNS(*) + 1 FROM integers
----
43	85
14	15

# multiple COLUMNS work, as long as the star inside the columns is the same
query II
SELECT COLUMNS(*) + COLUMNS(*) FROM integers
----
84	168
26	28

# regex
statement ok
CREATE TABLE grouped_table AS SELECT  1 id, 42 index1, 84 index2 UNION ALL SELECT 2, 13, 14

statement error
SELECT COLUMNS('indxe.*') FROM grouped_table
----
"index1"

query III
SELECT id, MIN(COLUMNS('index[0-9]')) FROM grouped_table GROUP BY all ORDER BY ALL
----
1	42	84
2	13	14

# partial match
query III
SELECT id, MIN(COLUMNS('[0-9]')) FROM grouped_table GROUP BY all ORDER BY ALL
----
1	42	84
2	13	14

# regex without matches
statement error
SELECT id, MIN(COLUMNS('xxx')) FROM grouped_table GROUP BY all
----

# empty regex
statement error
SELECT MIN(COLUMNS('xxx')) FROM grouped_table
----

# invalid regex
statement error
SELECT MIN(COLUMNS('[asdadd')) FROM grouped_table
----

# multiple different COLUMNS statements in the same expression are not supported
statement error
SELECT COLUMNS(*) + COLUMNS(* EXCLUDE(j)) FROM integers
----

# COLUMNS in subquery without FROM clause
statement error
SELECT (SELECT COLUMNS(*)) FROM integers
----

statement error
SELECT columns(['a', null]) FROM values (42) t(a);
----
does not support NULL input parameters

# COLUMNS in order by clause
query III
SELECT * FROM grouped_table ORDER BY COLUMNS('index[0-9]');
----
2	13	14
1	42	84

query III
SELECT * FROM grouped_table ORDER BY COLUMNS(*);
----
1	42	84
2	13	14