EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s WHERE (s LIKE 'hell%') OR (s ILIKE '%привет%') OR (s ILIKE 'world%') SETTINGS optimize_or_like_chain = 0; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s WHERE (s LIKE 'hell%') OR (s ILIKE '%привет%') OR (s ILIKE 'world%') SETTINGS optimize_or_like_chain = 1; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s1, materialize('Привет, World') AS s2 WHERE (s1 LIKE 'hell%') OR (s2 ILIKE '%привет%') OR (s1 ILIKE 'world%') SETTINGS optimize_or_like_chain = 1; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s1, materialize('Привет, World') AS s2 WHERE (s1 LIKE 'hell%') OR (s2 ILIKE '%привет%') OR (s1 ILIKE 'world%') SETTINGS optimize_or_like_chain = 1 SETTINGS allow_hyperscan = 0; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s1, materialize('Привет, World') AS s2 WHERE (s1 LIKE 'hell%') OR (s2 ILIKE '%привет%') OR (s1 ILIKE 'world%') SETTINGS optimize_or_like_chain = 1 SETTINGS max_hyperscan_regexp_length = 10; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s1, materialize('Привет, World') AS s2 WHERE (s1 LIKE 'hell%') OR (s2 ILIKE '%привет%') OR (s1 ILIKE 'world%') SETTINGS optimize_or_like_chain = 1 SETTINGS max_hyperscan_regexp_total_length = 10; EXPLAIN SYNTAX SELECT materialize('Привет, World') AS s1, materialize('Привет, World') AS s2 WHERE (s1 LIKE 'hell%') OR (s2 ILIKE '%привет%') OR (s1 ILIKE 'world%') OR s1 == 'Привет' SETTINGS optimize_or_like_chain = 1; SELECT materialize('Привет, optimized World') AS s WHERE (s LIKE 'hell%') OR (s LIKE '%привет%') OR (s ILIKE '%world') SETTINGS optimize_or_like_chain = 1; SELECT materialize('Привет, World') AS s WHERE (s LIKE 'hell%') OR (s LIKE '%привет%') OR (s ILIKE '%world') SETTINGS optimize_or_like_chain = 0; SELECT materialize('Привет, optimized World') AS s WHERE (s LIKE 'hell%') OR (s ILIKE '%привет%') OR (s LIKE 'world%') SETTINGS optimize_or_like_chain = 1; SELECT materialize('Привет, World') AS s WHERE (s LIKE 'hell%') OR (s ILIKE '%привет%') OR (s LIKE 'world%') SETTINGS optimize_or_like_chain = 0; -- Aliases EXPLAIN SYNTAX SELECT test, materialize('Привет, World') AS s WHERE ((s LIKE 'hell%') AS test) OR (s ILIKE '%привет%') OR (s ILIKE 'world%') SETTINGS optimize_or_like_chain = 1;