# name: test/sql/collate/icu_collation_propagation.test
# description: Test collations with string functions
# group: [collate]

statement ok
create table tbl (a varchar, b varchar);

statement ok
insert into tbl values ('ö', '>>>>>ö<<<<<'), ('o', '>>>>>o<<<<<'), ('p', '>>>>>p<<<<<');

require icu

# test propagation of collation through string functions
query I
select concat(a collate de, a) from tbl order by all;
----
oo
öö
pp

query I
select lower(a collate de) from tbl order by all;
----
o
ö
p

query I
select upper(a collate de) from tbl order by all;
----
O
Ö
P

query I
select trim(b collate de, '<>') from tbl order by all
----
o
ö
p

query I
select ltrim(b collate de, '<>') from tbl order by all
----
o<<<<<
ö<<<<<
p<<<<<

query I
select rtrim(b collate de, '<>') from tbl order by all
----
>>>>>o
>>>>>ö
>>>>>p

query I
select repeat(a collate de, 10) from tbl order by all;
----
oooooooooo
öööööööööö
pppppppppp

query I
select left(b collate de, 6) from tbl order by all;
----
>>>>>o
>>>>>ö
>>>>>p

query I
select right(b collate de, 6) from tbl order by all;
----
o<<<<<
ö<<<<<
p<<<<<

query I
select right(left(b collate de, 6), 1) from tbl order by all;
----
o
ö
p

query I
select reverse(a collate de) from tbl order by all;
----
o
ö
p

# test application of collation
query I
select a from tbl where contains(b collate de, 'o') order by all
----
o

query I
select a from tbl where starts_with(b collate de, '>>>>>o') order by all
----
o

query I
select a from tbl where b collate de like '%>o<%' order by all
----
o