should be it

external/duckdb/test/sql/function/string/like_unicode.test

@@ -0,0 +1,52 @@
+# name: test/sql/function/string/like_unicode.test
+# description: Test _ and like unicode characters
+# group: [string]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE t0 (c0 VARCHAR);
+
+statement ok
+INSERT INTO t0 VALUES ('票'),('t'),('%'),('丑'),('多'), ('🦆');
+
+query I
+SELECT count(*) FROM t0 WHERE t0.c0 LIKE '_';
+----
+6
+
+query I
+SELECT count(*) FROM t0 WHERE t0.c0 ILIKE '_';
+----
+6
+
+query I
+SELECT '🦆a🦆' LIKE '_a_'
+----
+true
+
+query I
+SELECT '🦆a🦆' ILIKE '_A_'
+----
+true
+
+query I
+SELECT 'BaB' ILIKE '_A_'
+----
+true
+
+query I
+SELECT '🦆🦆' ILIKE '_'
+----
+false
+
+query I
+SELECT '🦆🦆' ILIKE '__'
+----
+true
+
+query I
+SELECT '🦆🦆' ILIKE '___'
+----
+false