feat: implement is_not_null selectivity based on null count in stats
#16730
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databendlabs#16730) * feat: implement is_not_null selectivity based on null count in stats * fix test
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) * feat: implement `is_not_null` selectivity based on null count in stats (#16730) * feat: implement is_not_null selectivity based on null count in stats * fix test * chore(planner): improve cardinality estimation (#16938) * chore(planner): improve cardinality estimation * chore(planner): improve histogram cardinality estimation * chore(planner): improve join cardinality * chore(test): update sqllogictest * chore(test): update sqllogictest * chore(code): refine code * chore(test): update sqllogictest * chore(test): test ci tpch * chore(code): fix typos * chore(test): remove accurate_his test * chore(test): fix sqllogictest * chore(query): fix sub overflow * chore(planner): refine scan histogram * chore(test): update sqllogictest * chore(test): update sqllogictest * ci: fix flaky test (#16945) * ci: fix flaky test #16935 * ci: update error format of Bendsql. * feat: filter null value before join (#16722) * feat: filter null value before join * fix lint * add annotations and process possible crash * dedup filters and fix tests (also need to fix native explain test) * fix test * support semi join * fix test for semi join * adjust threshold and enable only distribution * chore(planner): resolve conflicts * fix(query): support subquery in pivot (#16631) * fix(query): support subquery in pivot * add pivot and unpivot sqllogictests, fix unit-test * code format * chore(code): resolve conflicts * chore(test): update sqllogictest * chore(test): update sqllogictest * Revert "ci: fix flaky test (#16945)" This reverts commit efcbac3. * chore: add extra bracket for `and` and `or` to make explain clear (#16494) * fix: add extra bracket for and or * add task test * chore(test): update sqllogictest * Revert "Revert "ci: fix flaky test (#16945)"" This reverts commit 49ea151. * fix(query): forbid explain explain statement (#16654) fix(query): forbiden explain explain statement * fix(ci): flaky test (#16933) * flaky test * fix * fix test * chore(code): resolve conflicts * chore(test): update test --------- Co-authored-by: xudong.w <wxd963996380@gmail.com> Co-authored-by: Jk Xu <54522439+Dousir9@users.noreply.github.com> Co-authored-by: Yang Xiufeng <yangxiufeng.c@gmail.com> Co-authored-by: Liu Zhenlong <49094455+Dragonliu2018@users.noreply.github.com> Co-authored-by: Dousir9 <736191200@qq.com> Co-authored-by: TCeason <33082201+TCeason@users.noreply.github.com> Co-authored-by: zhya <mytesla@live.com>
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