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MDEV-36106 New-style hints: [NO_]DERIVED_CONDITION_PUSHDOWN, [NO_]MERGE #3870

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MDEV-36106 New-style hints: [NO_]DERIVED_CONDITION_PUSHDOWN, [NO_]MERGE #3870

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1,276 changes: 1,276 additions & 0 deletions mysql-test/main/mdev-36106-derived-condition-pushdown-hint.result
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214 changes: 214 additions & 0 deletions mysql-test/main/mdev-36106-derived-condition-pushdown-hint.test
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Original file line number Diff line number Diff line change
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--source include/have_sequence.inc
--disable_ps_protocol
--disable_view_protocol
create table t1 (a int, b int, c int);
create table t2 (a int, b int, c int, d decimal);
insert into t1 values
(1,21,345), (1,33,7), (8,33,114), (1,21,500), (1,19,107), (5,14,787),
(8,33,123), (9,10,211), (5,16,207), (1,33,988), (5,27,132), (1,21,104),
(6,20,309), (6,20,315), (1,21,101), (8,33,404), (9,10,800), (1,21,123),
(7,11,708), (6,20,214);
create index t1_a on t1 (a);
insert into t2 values
(2,3,207,207.0000), (1,21,909,12.0000), (7,13,312,406.0000),
(8,64,248,107.0000), (6,20,315,279.3333), (1,19,203,107.0000),
(8,80,800,314.0000), (3,12,231,190.0000), (6,23,303,909.0000);
create view v1 as select a, b, max(c) as max_c, avg(c) as avg_c from t1
group by a,b having max_c < 707;
create table t3 select 2*seq as a, 2*seq+1 as b from seq_0_to_1000;
CREATE TABLE t4 (a INT, b INT);
INSERT INTO t4 VALUES (1,2),(2,3),(3,4);
create table t5 select seq as i, 10*seq as j from seq_1_to_10;
create view v2 as select * from t5;

set @save_optimizer_switch=@@optimizer_switch;

set session optimizer_switch='condition_pushdown_for_derived=on';

--source include/explain-no-costs.inc
explain format=json select /*+ NO_DERIVED_CONDITION_PUSHDOWN(v1) */ * from v1,t2 where
((v1.max_c>300) and (v1.avg_c>t2.d) and (v1.b=t2.b)) or
((v1.max_c<135) and (v1.max_c<t2.c) and (v1.a=t2.a));
select /*+ NO_DERIVED_CONDITION_PUSHDOWN(v1) */ * from v1,t2 where
((v1.max_c>300) and (v1.avg_c>t2.d) and (v1.b=t2.b)) or
((v1.max_c<135) and (v1.max_c<t2.c) and (v1.a=t2.a));

--source include/explain-no-costs.inc
explain format=json select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt)*/ * from
(select t3.b as a from t3 group by t3.a) dt where (dt.a=3 or dt.a=5);
select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt)*/ * from
(select t3.b as a from t3 group by t3.a) dt where (dt.a=3 or dt.a=5);

--source include/explain-no-costs.inc
explain format=json select * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ NO_DERIVED_CONDITION_PUSHDOWN(du)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ NO_DERIVED_CONDITION_PUSHDOWN(du)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt,du)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt,du)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json SELECT /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT t4.b AS a
FROM t4
GROUP BY t4.a
) dt WHERE (dt.a=2);
SELECT /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT t4.b AS a
FROM t4
GROUP BY t4.a
) dt WHERE (dt.a=2);

--source include/explain-no-costs.inc
explain format=json SELECT /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT qb.b AS a
FROM (
select 1*t4.b as b, 1*t4.a as a from t4
) qb
GROUP BY qb.a
) dt WHERE (dt.a=2);
SELECT /*+ NO_DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT qb.b AS a
FROM (
select 1*t4.b as b, 1*t4.a as a from t4
) qb
GROUP BY qb.a
) dt WHERE (dt.a=2);

set session optimizer_switch='condition_pushdown_for_derived=off';

--source include/explain-no-costs.inc
explain format=json select /*+ DERIVED_CONDITION_PUSHDOWN(v1) */ * from v1,t2 where
((v1.max_c>300) and (v1.avg_c>t2.d) and (v1.b=t2.b)) or
((v1.max_c<135) and (v1.max_c<t2.c) and (v1.a=t2.a));
select /*+ DERIVED_CONDITION_PUSHDOWN(v1) */ * from v1,t2 where
((v1.max_c>300) and (v1.avg_c>t2.d) and (v1.b=t2.b)) or
((v1.max_c<135) and (v1.max_c<t2.c) and (v1.a=t2.a));

--source include/explain-no-costs.inc
explain format=json select /*+ DERIVED_CONDITION_PUSHDOWN(dt)*/ * from
(select t3.b as a from t3 group by t3.a) dt where (dt.a=3 or dt.a=5);
select /*+ DERIVED_CONDITION_PUSHDOWN(dt)*/ * from
(select t3.b as a from t3 group by t3.a) dt where (dt.a=3 or dt.a=5);

--source include/explain-no-costs.inc
explain format=json SELECT /*+ DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT t4.b AS a
FROM t4
GROUP BY t4.a
) dt WHERE (dt.a=2);
SELECT /*+ DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT t4.b AS a
FROM t4
GROUP BY t4.a
) dt WHERE (dt.a=2);

--source include/explain-no-costs.inc
explain format=json SELECT /*+ DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT qb.b AS a
FROM (
select 1*t4.b as b, 1*t4.a as a from t4
) qb
GROUP BY qb.a
) dt WHERE (dt.a=2);
SELECT /*+ DERIVED_CONDITION_PUSHDOWN(dt) */ * FROM (
SELECT qb.b AS a
FROM (
select 1*t4.b as b, 1*t4.a as a from t4
) qb
GROUP BY qb.a
) dt WHERE (dt.a=2);

--source include/explain-no-costs.inc
explain format=json select * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ DERIVED_CONDITION_PUSHDOWN(dt)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ DERIVED_CONDITION_PUSHDOWN(dt)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ DERIVED_CONDITION_PUSHDOWN(du)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ DERIVED_CONDITION_PUSHDOWN(du)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

--source include/explain-no-costs.inc
explain format=json select /*+ DERIVED_CONDITION_PUSHDOWN(dt,du)*/ * from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);
select /*+ DERIVED_CONDITION_PUSHDOWN(dt,du)*/ count(*) from (
select t3.b as a from t3 group by t3.a
) dt join (
select t3.a as a, t3.b as b from t3 where t3.a % 2 = 0 group by t3.b
) du where (dt.a=3 or dt.a=5) and (du.a % 10 <> 0 or du.a % 5 <> 0);

set optimizer_switch=@save_optimizer_switch;
drop view v1, v2;
drop table t1, t2, t3, t4, t5;
--enable_view_protocol
--enable_ps_protocol
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