DROP TABLE IF EXISTS index_for_like; set allow_deprecated_syntax_for_merge_tree=1; CREATE TABLE index_for_like (s String, d Date DEFAULT today()) ENGINE = MergeTree(d, (s, d), 1); INSERT INTO index_for_like (s) VALUES ('Hello'), ('Hello, World'), ('Hello, World 1'), ('Hello 1'), ('Goodbye'), ('Goodbye, World'), ('Goodbye 1'), ('Goodbye, World 1'); SET max_rows_to_read = 3; SELECT s FROM index_for_like WHERE s LIKE 'Hello, World%'; SET max_rows_to_read = 2; SELECT s FROM index_for_like WHERE s LIKE 'Hello, World %'; SET max_rows_to_read = 2; SELECT s FROM index_for_like WHERE s LIKE 'Hello, World 1%'; SET max_rows_to_read = 1; SELECT s FROM index_for_like WHERE s LIKE 'Hello, World 2%'; SET max_rows_to_read = 1; SELECT s FROM index_for_like WHERE s LIKE 'Hello, Worle%'; SET max_rows_to_read = 3; SELECT s FROM index_for_like WHERE s LIKE 'Hello, Wor%'; SET max_rows_to_read = 5; SELECT s FROM index_for_like WHERE s LIKE 'Hello%'; SET max_rows_to_read = 2; SELECT s FROM index_for_like WHERE s LIKE 'Hello %'; SET max_rows_to_read = 3; SELECT s FROM index_for_like WHERE s LIKE 'Hello,%'; SET max_rows_to_read = 1; SELECT s FROM index_for_like WHERE s LIKE 'Hello;%'; SET max_rows_to_read = 5; SELECT s FROM index_for_like WHERE s LIKE 'H%'; SET max_rows_to_read = 4; SELECT s FROM index_for_like WHERE s LIKE 'Good%'; SET max_rows_to_read = 8; SELECT s FROM index_for_like WHERE s LIKE '%'; SELECT s FROM index_for_like WHERE s LIKE '%Hello%'; SELECT s FROM index_for_like WHERE s LIKE '%Hello'; SET max_rows_to_read = 3; SELECT s FROM index_for_like WHERE s LIKE 'Hello, World% %'; SELECT s FROM index_for_like WHERE s LIKE 'Hello, Worl_%'; SET max_rows_to_read = 1; SELECT s FROM index_for_like WHERE s LIKE 'Hello, Worl\\_%'; DROP TABLE index_for_like;