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# name: test/sql/collate/test_strpos_collate.test
# description: Test that strpos/instr/position functions properly support COLLATE NOCASE
# group: [collate]
# Test that strpos works with COLLATE NOCASE
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'el')
----
2
# Test with different case combinations
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'EL')
----
2
query I
SELECT strpos('hello' COLLATE NOCASE, 'EL')
----
2
query I
SELECT strpos('HeLLo' COLLATE NOCASE, 'el')
----
2
# Test instr function (alias for strpos)
query I
SELECT instr('HELLO' COLLATE NOCASE, 'el')
----
2
query I
SELECT instr('hello' COLLATE NOCASE, 'EL')
----
2
# Test position function (alias for strpos)
query I
SELECT position('el' IN ('HELLO' COLLATE NOCASE))
----
2
query I
SELECT position('EL' IN ('hello' COLLATE NOCASE))
----
2
# Test edge cases
query I
SELECT strpos('HELLO' COLLATE NOCASE, '')
----
1
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'xyz')
----
0
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'HELLO')
----
1
# Test with longer strings
query I
SELECT strpos('Hello World' COLLATE NOCASE, 'world')
----
7
query I
SELECT strpos('HELLO WORLD' COLLATE NOCASE, 'o w')
----
5
# Test that other string functions still work (regression test)
query T
SELECT contains('HELLO' COLLATE NOCASE, 'hEllO')
----
true
query T
SELECT starts_with('HELLO' COLLATE NOCASE, 'heL')
----
true
# Test with table data
statement ok
CREATE TABLE collate_test(s VARCHAR COLLATE NOCASE)
statement ok
INSERT INTO collate_test VALUES ('Hello World'), ('HELLO WORLD'), ('hElLo WoRlD')
# Test basic functionality
query I
SELECT strpos(s COLLATE NOCASE, 'hello') FROM collate_test ORDER BY s
----
1
1
1
query I
SELECT strpos(s COLLATE NOCASE, 'world') FROM collate_test ORDER BY s
----
7
7
7
# Test with mixed collations
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'el' COLLATE NOCASE)
----
2
query I
SELECT strpos('HELLO' COLLATE NOCASE, 'EL')
----
2
# Test that non-collated versions still work
query I
SELECT strpos('HELLO', 'el')
----
0
query I
SELECT strpos('HELLO', 'EL')
----
2
# Test with empty strings and edge cases
query I
SELECT strpos('' COLLATE NOCASE, '')
----
1
query I
SELECT strpos('' COLLATE NOCASE, 'a')
----
0
query I
SELECT strpos('a' COLLATE NOCASE, '')
----
1
# Test with special characters
query I
SELECT strpos('HéLLO' COLLATE NOCASE, 'éll')
----
2
query I
SELECT strpos('HÉLLO' COLLATE NOCASE, 'éll')
----
2
# Test that the fix doesn't break existing behavior
query I
SELECT strpos('HELLO', 'HELLO')
----
1
query I
SELECT strpos('HELLO', '')
----
1
query I
SELECT strpos('HELLO', 'xyz')
----
0
# Clean up
statement ok
DROP TABLE collate_test
|
