# name: test/sql/function/string/test_repeat.test
# description: REPEAT test
# group: [string]

statement ok
PRAGMA enable_verification

# test repeat on NULLs
query TTT
select REPEAT(NULL, NULL), REPEAT(NULL, 3), REPEAT('MySQL', NULL)
----
NULL	NULL	NULL

# test repeat on scalars
query TTTT
select REPEAT('', 3), REPEAT('MySQL', 3), REPEAT('MotörHead', 2), REPEAT('Hello', -1)
----
(empty)	MySQLMySQLMySQL	MotörHeadMotörHead	(empty)

# test repeat on tables
statement ok
CREATE TABLE strings(a STRING, b STRING)

statement ok
INSERT INTO strings VALUES ('Hello', 'World'), ('HuLlD', NULL), ('MotörHead','RÄcks'), ('', NULL)

query T
select REPEAT(a, 3) FROM strings
----
HelloHelloHello
HuLlDHuLlDHuLlD
MotörHeadMotörHeadMotörHead
(empty)

query T
select REPEAT(b, 2) FROM strings
----
WorldWorld
NULL
RÄcksRÄcks
NULL

query T
select REPEAT(a, 4) FROM strings WHERE b IS NOT NULL
----
HelloHelloHelloHello
MotörHeadMotörHeadMotörHeadMotörHead

# empty string
query I
SELECT repeat('', 99);
----
(empty)

# no repeat
query I
SELECT repeat('hello world', 0);
----
(empty)

# negative repeat
query I
SELECT repeat('hello world', -1);
----
(empty)

# repeat blob
query I
SELECT repeat(blob '00', 2);
----
0000

# test incorrect usage of reverse
statement error
select REPEAT()
----

statement error
select REPEAT(1)
----

statement error
select REPEAT('hello', 'world')
----

statement error
select REPEAT('hello', 'world', 3)
----