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wangzelin.wzl
2022-08-12 19:29:16 +08:00
parent 29e0cb7475
commit d5269307a9
419 changed files with 275972 additions and 77007 deletions
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210
tools/deploy/mysql_test/test_suite/transformer/r/mysql/transformer_add_limit_for_union.result Normal file
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drop database if exists union_db;
create database union_db;
use union_db;
create table t1(c1 int primary key, c2 int, c3 varchar(10));
create table t2(c1 int primary key, c2 int, c3 varchar(10));
insert into t1 values
(11,11,'l'),
(19,19,'t'),
(18,18,'s'),
(17,17,'r'),
(16,16,'q'),
(5,5,'e'),
(4,4,'d'),
(3,3,'c'),
(2,2,'b'),
(10,10,'k');
insert into t2 values
(1,1,'a'),
(9,9,'i'),
(8,8,'h'),
(7,7,'g'),
(6,6,'f'),
(15,15,'p'),
(14,14,'o'),
(13,13,'n'),
(12,12,'m'),
(20,20,'u');
### test different limit ###
(select c2 from t1) union all (select c2 from t2) limit 1;
c2
2
(select c2 from t1) union all (select c2 from t2) limit 5;
c2
2
3
4
5
10
select found_rows();
found_rows()
5
(select c2 from t1) union all (select c2 from t2) limit 10;
c2
2
3
4
5
10
11
16
17
18
19
(select c2 from t1) union all (select c2 from t2) limit 15;
c2
2
3
4
5
10
11
16
17
18
19
1
6
7
8
9
select found_rows();
found_rows()
15
(select c2 from t1 limit 2) union all (select c2 from t2) limit 15;
c2
2
3
1
6
7
8
9
12
13
14
15
20
(select c2 from t1) union all (select c2 from t2) limit 15;
c2
2
3
4
5
10
11
16
17
18
19
1
6
7
8
9
(select c2 from t1 limit 2) union all (select c2 from t2 limit 2) limit 15;
c2
2
3
1
6
### test order by limit ###
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c3 limit 5;
c2 c3
1 a
2 b
3 c
4 d
5 e
select found_rows();
found_rows()
5
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c2 limit 15;
c2 c3
1 a
2 b
3 c
4 d
5 e
6 f
7 g
8 h
9 i
10 k
11 l
12 m
13 n
14 o
15 p
select found_rows();
found_rows()
15
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c3, c2 limit 5;
c2 c3
1 a
2 b
3 c
4 d
5 e
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c2, c3 limit 15;
c2 c3
1 a
2 b
3 c
4 d
5 e
6 f
7 g
8 h
9 i
10 k
11 l
12 m
13 n
14 o
15 p
(select c2, c3 from t1 order by c3) union all (select c2, c3 from t2) order by c2 limit 15;
c2 c3
1 a
2 b
3 c
4 d
5 e
6 f
7 g
8 h
9 i
10 k
11 l
12 m
13 n
14 o
15 p
select found_rows();
found_rows()
15
(select c2, c3 from t1) union all (select c2, c3 from t2 order by c2) order by c3, c2 limit 5;
c2 c3
1 a
2 b
3 c
4 d
5 e
### test for found_rows() ###
(select SQL_CALC_FOUND_ROWS c2 from t1) union all (select c2 from t2) limit 5;
select found_rows();
found_rows()
20
(select SQL_CALC_FOUND_ROWS c2 from t1) union all (select c2 from t2) limit 15;
select found_rows();
found_rows()
20
(select SQL_CALC_FOUND_ROWS c2, c3 from t1) union all (select c2, c3 from t2) order by c3 limit 5;
select found_rows();
found_rows()
20
(select SQL_CALC_FOUND_ROWS c2, c3 from t1) union all (select c2, c3 from t2) order by c2 limit 15;
select found_rows();
found_rows()
20
drop database union_db;

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--disable_query_log
set @@session.explicit_defaults_for_timestamp=off;
--enable_query_log
# owner: zhanyue.zzy
# owner group: SQL1
# tags: optimizer
# description: if LIMIT appears in UNION ALL stmt, add the same LIMIT to inner stmt;
# use ob_enable_transformation to contrast with no transform version result
--disable_warnings
drop database if exists union_db;
--enable_warnings
create database union_db;
use union_db;
create table t1(c1 int primary key, c2 int, c3 varchar(10));
create table t2(c1 int primary key, c2 int, c3 varchar(10));
insert into t1 values
(11,11,'l'),
(19,19,'t'),
(18,18,'s'),
(17,17,'r'),
(16,16,'q'),
(5,5,'e'),
(4,4,'d'),
(3,3,'c'),
(2,2,'b'),
(10,10,'k');
insert into t2 values
(1,1,'a'),
(9,9,'i'),
(8,8,'h'),
(7,7,'g'),
(6,6,'f'),
(15,15,'p'),
(14,14,'o'),
(13,13,'n'),
(12,12,'m'),
(20,20,'u');
sleep 3;
## set @@session.ob_enable_transformation = 0;
--echo ### test different limit ###
(select c2 from t1) union all (select c2 from t2) limit 1;
(select c2 from t1) union all (select c2 from t2) limit 5;
select found_rows();
(select c2 from t1) union all (select c2 from t2) limit 10;
(select c2 from t1) union all (select c2 from t2) limit 15;
select found_rows();
(select c2 from t1 limit 2) union all (select c2 from t2) limit 15;
(select c2 from t1) union all (select c2 from t2) limit 15;
(select c2 from t1 limit 2) union all (select c2 from t2 limit 2) limit 15;
--echo ### test order by limit ###
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c3 limit 5;
select found_rows();
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c2 limit 15;
select found_rows();
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c3, c2 limit 5;
(select c2, c3 from t1) union all (select c2, c3 from t2) order by c2, c3 limit 15;
(select c2, c3 from t1 order by c3) union all (select c2, c3 from t2) order by c2 limit 15;
select found_rows();
(select c2, c3 from t1) union all (select c2, c3 from t2 order by c2) order by c3, c2 limit 5;
## set @@session.ob_enable_transformation = 1;
--echo ### test for found_rows() ###
--disable_result_log
(select SQL_CALC_FOUND_ROWS c2 from t1) union all (select c2 from t2) limit 5;
--enable_result_log
select found_rows();
--disable_result_log
(select SQL_CALC_FOUND_ROWS c2 from t1) union all (select c2 from t2) limit 15;
--enable_result_log
select found_rows();
--disable_result_log
(select SQL_CALC_FOUND_ROWS c2, c3 from t1) union all (select c2, c3 from t2) order by c3 limit 5;
--enable_result_log
select found_rows();
--disable_result_log
(select SQL_CALC_FOUND_ROWS c2, c3 from t1) union all (select c2, c3 from t2) order by c2 limit 15;
--enable_result_log
select found_rows();
drop database union_db;

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#owner: link.zt
#owner group: sql1
# tags: optimizer
--disable_info
--disable_metadata
--disable_abort_on_error
--result_format 4
--explain_protocol 2
--disable_warnings
DROP DATABASE IF EXISTS DB_PREDICATE_DEDUCE;
--enable_warnings
CREATE DATABASE DB_PREDICATE_DEDUCE;
USE DB_PREDICATE_DEDUCE;
create table t1(c1 int, c2 int);
create table t2(c1 int , c2 int, c3 int, c4 int);
create table t3(c1 bigint, c2 varchar(64), c3 datetime);
create table is_t1(c1 int);
create table is_t2(c1 int, c2 int);
create table is_t3(c1 bigint, c2 varchar(64), c3 datetime);
insert/*trace*/into t3 values(20101010000000, '020101010000000', '2010-10-10 00:00:00');
insert/*trace*/into t1 values(NULL, NULL);
insert/*trace*/into t2 values(NULL, NULL, NULL, NULL);
--echo = basic test =
--echo
--echo == basic compare: case 1
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 = 2;
select * from t1 a where a.c1 = a.c2 and a.c1 = 2;
start transaction;
update t1 a set c1 = c2 + 1 where a.c1 = a.c2 and a.c1 = 2;
delete from t1 a where a.c1 = a.c2 and a.c1 = 2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 = 2;
rollback;
--echo
--echo == basic compare: case 2
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 > 2;
select * from t1 a where a.c1 = a.c2 and a.c1 > 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 > 2;
delete from t1 a where a.c1 = a.c2 and a.c1 > 2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 > 2;
rollback;
--echo
--echo == basic compare: case 3
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 >= 2;
select * from t1 a where a.c1 = a.c2 and a.c1 >= 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 >= 2;
delete from t1 a where a.c1 = a.c2 and a.c1 >= 2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 >= 2;
rollback;
--echo
--echo == basic compare: case 4
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 < 2;
select * from t1 a where a.c1 = a.c2 and a.c1 < 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 < 2;
delete from t1 a where a.c1 = a.c2 and a.c1 < 2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 < 2;
rollback;
--echo
--echo == basic compare: case 5
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 <= 2;
select * from t1 a where a.c1 = a.c2 and a.c1 <= 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 <= 2;
delete from t1 a where a.c1 = a.c2 and a.c1 <= 2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 <= 2;
rollback;
--echo
--echo == basic compare: case 6
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 like '2%';
select * from t1 a where a.c1 = a.c2 and a.c1 like '2%';
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 like '2%';
delete from t1 a where a.c1 = a.c2 and a.c1 like '2%';
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 like '2%';
rollback;
--echo
--echo == basic compare: case 7
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 between 2 and 3;
select * from t1 a where a.c1 = a.c2 and a.c1 between 2 and 3;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 between 2 and 3;
delete from t1 a where a.c1 = a.c2 and a.c1 between 2 and 3;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 between 2 and 3;
rollback;
--echo
--echo == basic compare: case 7
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 in (2, 3);
select * from t1 a where a.c1 = a.c2 and a.c1 in (2, 3);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 in (2, 3);
delete from t1 a where a.c1 = a.c2 and a.c1 in (2, 3);
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 in (2, 3);
rollback;
--echo ************************** deduce on function *******************************
--echo
--echo == deduce on function: case 1
select /*+no_rewrite*/* from t1 a where round(a.c1) = round(a.c2) and round(a.c1) = 1;
select * from t1 a where round(a.c1) = round(a.c2) and round(a.c1) = 1;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where round(a.c1) = round(a.c2) and round(a.c1) = 1;
delete from t1 a where round(a.c1) = round(a.c2) and round(a.c1) = 1;
insert into is_t2 select * from t1 a where round(a.c1) = round(a.c2) and round(a.c1) = 1;
rollback;
--echo
--echo == deduce on function: case 2
select /*+no_rewrite*/* from t1 a where round(a.c1) = a.c2 and round(a.c1) = 1;
select * from t1 a where round(a.c1) = a.c2 and round(a.c1) = 1;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where round(a.c1) = a.c2 and round(a.c1) = 1;
delete from t1 a where round(a.c1) = a.c2 and round(a.c1) = 1;
insert into is_t2 select * from t1 a where round(a.c1) = a.c2 and round(a.c1) = 1;
rollback;
--echo ***************************** subquery *********************************
--echo
--echo == subquery:case 1
select /*+no_rewrite*/* from t1 a where exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
select * from t1 a where exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
delete from t1 a where exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
insert into is_t2 select * from t1 a where exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
rollback;
--echo
--echo == subquery:case 2
select /*+no_rewrite*/* from t1 a where exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
select * from t1 a where exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
delete from t1 a where exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
insert into is_t2 select * from t1 a where exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
rollback;
--echo
--echo == subquery:case 3
select /*+no_rewrite*/* from t1 a where a.c1 in (select c1 from t2 b where b.c1 = 2);
select * from t1 a where a.c1 in (select c1 from t2 b where b.c1 = 2);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 in (select c1 from t2 b where b.c1 = 2);
delete from t1 a where a.c1 in (select c1 from t2 b where b.c1 = 2);
insert into is_t2 select * from t1 a where a.c1 in (select c1 from t2 b where b.c1 = 2);
rollback;
--echo ***************************** type check *******************************
--echo
--echo == type check: case 1
select /*+no_rewrite*/* from t3 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
select * from t3 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
start transaction;
update t3 set c1 = 1 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
#delete from t3 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
#insert into is_t3 select * from t3 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
rollback;
--echo ****************************** remove redundant predicates *************
--echo
--echo == remove redundant predicates: case 1
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 = a.c2;
select * from t1 a where a.c1 = a.c2 and a.c1 = a.c2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 = a.c2;
delete from t1 a where a.c1 = a.c2 and a.c1 = a.c2;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 = a.c2;
rollback;
--echo
--echo == remove redundant predicates: case 2
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c2 = a.c1;
select * from t1 a where a.c1 = a.c2 and a.c2 = a.c1;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c2 = a.c1;
delete from t1 a where a.c1 = a.c2 and a.c2 = a.c1;
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c2 = a.c1;
rollback;
--echo
--echo == remove redundant predicates: case 3
select /*+no_rewrite*/* from t1 a where a.c1 >= a.c2 and a.c1 >= a.c2;
select * from t1 a where a.c1 >= a.c2 and a.c1 >= a.c2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 >= a.c2 and a.c1 >= a.c2;
delete from t1 a where a.c1 >= a.c2 and a.c1 >= a.c2;
insert into is_t2 select * from t1 a where a.c1 >= a.c2 and a.c1 >= a.c2;
rollback;
--echo
--echo == remove redundant predicates: case 4
select /*+no_rewrite*/* from t1 a where a.c1 >= a.c2 and a.c2 <= a.c1;
select * from t1 a where a.c1 >= a.c2 and a.c2 <= a.c1;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 >= a.c2 and a.c2 <= a.c1;
delete from t1 a where a.c1 >= a.c2 and a.c2 <= a.c1;
insert into is_t2 select * from t1 a where a.c1 >= a.c2 and a.c2 <= a.c1;
rollback;
--echo
--echo == remove redundant predicates: case 5
select /*+no_rewrite*/* from t1 a where (a.c1 between 1 and 2) and (a.c1 between 1 and 2);
select * from t1 a where (a.c1 between 1 and 2) and (a.c1 between 1 and 2);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where (a.c1 between 1 and 2) and (a.c1 between 1 and 2);
delete from t1 a where (a.c1 between 1 and 2) and (a.c1 between 1 and 2);
insert into is_t2 select * from t1 a where (a.c1 between 1 and 2) and (a.c1 between 1 and 2);
rollback;
--echo
--echo == remove redundant predicates: case 6
select /*+no_rewrite*/* from t1 a where a.c1 in (2, 3) and a.c1 in (2, 3);
select * from t1 a where a.c1 in (2, 3) and a.c1 in (2, 3);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 in (2, 3) and a.c1 in (2, 3);
delete from t1 a where a.c1 in (2, 3) and a.c1 in (2, 3);
insert into is_t2 select * from t1 a where a.c1 in (2, 3) and a.c1 in (2, 3);
rollback;
--echo
--echo == remove redundant predicates: case 7
select /*+no_rewrite*/* from t1 a where a.c1 not in (2, 3) and a.c1 not in (2, 3);
select * from t1 a where a.c1 not in (2, 3) and a.c1 not in (2, 3);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 not in (2, 3) and a.c1 not in (2, 3);
delete from t1 a where a.c1 not in (2, 3) and a.c1 not in (2, 3);
insert into is_t2 select * from t1 a where a.c1 not in (2, 3) and a.c1 not in (2, 3);
rollback;
--echo ************************* can not deduce ******************
--echo
--echo == can not deduce: case 1
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 not like '2%';
select * from t1 a where a.c1 = a.c2 and a.c1 not like '2%';
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 not like '2%';
delete from t1 a where a.c1 = a.c2 and a.c1 not like '2%';
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 not like '2%';
rollback;
--echo
--echo == can not deduce: case 2
select /*+no_rewrite*/* from t1 a where a.c1 = a.c2 and a.c1 not in (2, 3);
select * from t1 a where a.c1 = a.c2 and a.c1 not in (2, 3);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 = a.c2 and a.c1 not in (2, 3);
delete from t1 a where a.c1 = a.c2 and a.c1 not in (2, 3);
insert into is_t2 select * from t1 a where a.c1 = a.c2 and a.c1 not in (2, 3);
rollback;
--echo ************************* 不能推导 anti semi join ***************
--echo
--echo == 不能推导 anti semi join:case 1
select /*+no_rewrite*/* from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
select * from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
start transaction;
update t1 a set a.c1 = a.c2 + 1 where not exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
delete from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
insert into is_t2 select * from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1 and b.c1 = 1);
rollback;
--echo
--echo == 能推导 anti semi join:case 2
select /*+no_rewrite*/* from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
select * from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where not exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
delete from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
insert into is_t2 select * from t1 a where not exists (select 1 from t2 b where a.c1 = b.c1) and a.c1 = 2;
rollback;
--echo
--echo == 不能推导 anti semi join:case 3
select /*+no_rewrite*/* from t1 a where a.c1 not in (select c1 from t2 b) and a.c1 = 1;
select * from t1 a where a.c1 not in (select c1 from t2 b) and a.c1 = 1;
start transaction;
update t1 a set a.c1 = a.c2 + 1 where a.c1 not in (select c1 from t2 b) and a.c1 = 1;
delete from t1 a where a.c1 not in (select c1 from t2 b) and a.c1 = 1;
insert into is_t2 select * from t1 a where a.c1 not in (select c1 from t2 b) and a.c1 = 1;
rollback;
--echo ************************* 不能推导 anti semi join ***************
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is not null;
--sorted_result
select * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is not null;
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is not null;
--sorted_result
select * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is not null;
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is null;
--sorted_result
select * from t1 a, t2 b where a.c1 = b.c1 and b.c1 is null;
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 = b.c1 and b.c1 <=> null;
--sorted_result
select * from t1 a, t2 b where a.c1 = b.c1 and b.c1 <=> null;
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 = b.c1 and b.c1 <=> 1;
--sorted_result
select * from t1 a, t2 b where a.c1 = b.c1 and b.c1 <=> 1;
--echo
--sorted_result
select /*+ NO_REWRITE */ * from t1 a, t2 b where a.c1 <=> b.c1 and b.c1 <=> 1;
--sorted_result
select * from t1 a, t2 b where a.c1 <=> b.c1 and b.c1 <=> 1;
####### outer join 谓词推导测试 #######
--disable_warnings
drop table if exists tt1, tt2, tt3;
--enable_warnings
create table tt1 (c1 int primary key, c2 varchar(10));
create table tt2 (c1 int primary key, c2 varchar(10));
create table tt3 (c1 int primary key, c2 varchar(10));
--disable_query_log
insert/**/ into tt1 values (1, 'a1'), (2, 'a2'), (3, 'a3');
insert/**/ into tt2 values (2, 'b2'), (3, 'b3');
insert/**/ into tt3 values (2, 'c2'), (3, 'c3');
--enable_query_log
## tt1 left join tt2
select /*+use_merge(tt1 tt2)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 where tt1.c1 = 1;
select /*+no_rewrite, use_merge(tt1 tt2)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 where tt1.c1 = 1;
## tt1 left join tt2 left join tt3
select /*+use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 left join tt3 on tt1.c1 = tt3.c1 where tt1.c1 = 1;
select /*+no_rewrite, use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 left join tt3 on tt1.c1 = tt3.c1 where tt1.c1 = 1;
## tt1 left join tt2 left join tt3
select /*+use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 left join tt3 on tt2.c1 = tt3.c1 where tt1.c1 = 1;
select /*+no_rewrite, use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 left join tt3 on tt2.c1 = tt3.c1 where tt1.c1 = 1;
## tt3 left join (tt1 left join tt2)
select /*+use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 right join tt3 on tt1.c1 = tt3.c1 where tt1.c1 = 1;
select /*+no_rewrite, use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 right join tt3 on tt1.c1 = tt3.c1 where tt1.c1 = 1;
## tt3 left join (tt1 left join tt2)
select /*+use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 right join tt3 on tt2.c1 = tt3.c1 where tt1.c1 = 1;
select /*+no_rewrite, use_merge(tt1 tt2 tt3)*/ * from tt1 left join tt2 on tt1.c1 = tt2.c1 right join tt3 on tt2.c1 = tt3.c1 where tt1.c1 = 1;
## online case
--disable_warnings
drop table if exists cghldinf, puzdjypf, pujydypf;
--enable_warnings
CREATE TABLE `cghldinf` (
`HLDGDDM` char(10) NOT NULL,
`HLDZXWH` char(5) NOT NULL,
`HLDTGDM` decimal(9, 0) NOT NULL,
`HLDKMLB` char(2) NOT NULL,
PRIMARY KEY (`HLDTGDM`, `HLDGDDM`),
KEY `HLDINDEX` (`HLDKMLB`) LOCAL
) partition by key (hldgddm) partitions 13;
CREATE TABLE `puzdjypf` (
`PZJZQZH` char(20) NOT NULL,
`PZJZDJYDY` char(6) NOT NULL,
`PZJSXRQ` decimal(8,0) NOT NULL,
PRIMARY KEY (`PZJZQZH`)
) partition by key (pzjzqzh) partitions 13;
CREATE TABLE `pujydypf` (
`PJYSCDM` char(2) NOT NULL,
`PJYJYDY` char(6) NOT NULL,
`PJYJYDYLB` char(3) NOT NULL,
`PJYQSBH` char(8) NOT NULL
) partition by key (pjyjydy) partitions 2;
--disable_query_log
insert/**/ into cghldinf values ('A100013208', 'aaaaa', 1, 'ok');
insert/**/ into cghldinf values ('A100013208', 'aaaaa', 2, 'ok');
insert/**/ into puzdjypf values ('A100013208', '20605', 4);
insert/**/ into pujydypf values ('ok', '20605', 'yes', 'testcase');
--enable_query_log
select /*+use_merge(t1 t2), leading(t1 t2 t3)*/ t1.hldgddm, t2.pzjzqzh, t2.pzjzdjydy, t3.pjyjydy, t3.pjyscdm from cghldinf t1 left join puzdjypf t2 on t2.pzjzqzh = t1.hldgddm left join pujydypf t3 on t2.pzjzdjydy = t3.pjyjydy and t3.pjyscdm = '01' where hldgddm = 'A100013208';
select /*+no_rewrite, use_merge(t1 t2), leading(t1 t2 t3)*/ t1.hldgddm, t2.pzjzqzh, t2.pzjzdjydy, t3.pjyjydy, t3.pjyscdm from cghldinf t1 left join puzdjypf t2 on t2.pzjzqzh = t1.hldgddm left join pujydypf t3 on t2.pzjzdjydy = t3.pjyjydy and t3.pjyscdm = '01' where hldgddm = 'A100013208';
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
create table t1 (c1 int, c2 int, primary key(c1));
create table t2 (c1 int, c2 int, primary key(c2));
explain extended_noaddr select count(*) from t1 A, t2 B where A.c1 >= 5630905 and A.c1 < 5631105 and A.c1 = B.c2 and A.c2 = B.c2;
drop table t1, t2;
create table t1 (c1 int, c2 int, index (c1));
create table t2 (c1 int, c2 int, index (c2));
explain extended_noaddr select count(*) from t1 A, t2 B where A.c1 >= 5630905 and A.c1 < 5631105 and A.c1 = B.c2 and A.c2 = B.c2;
drop table t1, t2;
create table t1 (c1 int, c2 int) partition by hash(c1) partitions 4;
create table t2 (c1 int, c2 int) partition by hash(c2) partitions 4;
explain extended_noaddr select count(*) from t1 A, t2 B where A.c1 >= 5630905 and A.c1 < 5631105 and A.c1 = B.c2 and A.c2 = B.c2;
--disable_warnings
drop table if exists t1, t2, t3;
drop table if exists tt1, tt2, tt3;
drop table if exists cghldinf, puzdjypf, pujydypf;
--enable_warnings
USE DB_PREDICATE_DEDUCE;
drop database DB_PREDICATE_DEDUCE;

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