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MDEV-15253: Default optimizer setting changes for MariaDB 10.4

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use_stat_tables= PREFERABLY
optimizer_use_condition_selectivity= 4
This commit is contained in:
Varun Gupta 2018-05-31 15:51:59 +05:30 • committed by Varun Gupta
commit 93c360e3a5
248 changed files with 3679 additions and 1741 deletions
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16
mysql-test/main/subselect.result
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@ -344,7 +344,7 @@ patient_uq clinic_uq
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t7` join `test`.`t6` where `test`.`t6`.`clinic_uq` = `test`.`t7`.`uq`
@ -1441,7 +1441,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 75.00 Using where; Using index; Using join buffer (flat, BNL join)
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
@ -1451,7 +1451,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a` and `test`.`t1`.`b` <> 30
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
@ -1461,8 +1461,8 @@ a
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00
1 PRIMARY t3 index PRIMARY PRIMARY 4 NULL 3 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where `test`.`t3`.`a` = `test`.`t1`.`b` and `test`.`t1`.`a` = `test`.`t2`.`a`
drop table t1, t2, t3;
@ -1630,7 +1630,7 @@ Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 50.00 Using index; Using where; Full scan on NULL key
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2;
@ -7019,8 +7019,8 @@ SELECT * FROM t1
WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index a a 5 NULL 2 Using where; Using index
2 SUBQUERY <subquery3> ALL distinct_key NULL NULL NULL 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY <subquery3> eq_ref distinct_key distinct_key 4 test.t2.c 1
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2
SELECT * FROM t1
WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;