The like predicate process data in block perform better than in row. Currently, only not null column is optimized, nullable column will be handled later.
SELECT COUNT(*) FROM hits WHERE URL LIKE '%google%';
before: ~680ms
after: ~570ms
* support like/not like conjuncts push down to storage engine
* vectorized engine support like/not like conjuncts push down to storage engine
* support both evaluate and evaluate_vec method in like predicate
* reuse remove_pushed_conjuncts and prevent logic error during move function conjuncts
* change #ifndef to pragma once as per comments
* change enable_function_pushdown default to false
Co-authored-by: heguangnan <heguangnan@bytedance.com>
