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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
parent a25ce5ab4b
commit 93c360e3a5
248 changed files with 3685 additions and 1747 deletions
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4
mysql-test/main/range_vs_index_merge.result
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@ -1430,6 +1430,7 @@ insert into t1(account_id, login, home_state, work_state)
select 1, 'pw', 'ak', 'ak' from t1;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
select count(*) from t1 where account_id = 1;
count(*)
@ -1491,6 +1492,7 @@ insert into t1 (c2, c3, c4, c5, cp)
select c2, c3, c4, c5, cp from t1 where cp = 4;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
explain
select * from t1 where (c2=1 and c3=1) or (c4=2 and c5=1);
@ -1543,6 +1545,7 @@ insert into t1 (c2,c3,c4) select c2,c3,3 from t1 where c2 != 'a';
insert into t1 (c2,c3,c4) select c2,c3,4 from t1 where c2 != 'a';
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
select count(*) from t1 where (c2='e' OR c3='q');
count(*)
@ -1582,6 +1585,7 @@ update t1 set c1=lpad(id+1000, 12, ' '), c2=lpad(id+10000, 15, ' ');
alter table t1 add unique index (c1), add unique index (c2), add index (c3);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status Table is already up to date
explain
select * from t1 where (c1=' 100000' or c2=' 2000000');