drop database if exists db1;
drop database if exists db2;
create database db1;
create database db2;
use db1;
drop table if exists t1;
create table t1(c1 int key) partition by key() partitions 2;
use db2;
drop table if exists t1;
create table t1(c1 int key) partition by key() partitions 2;
select * from db1.t1,db2.t1;
c1	c1
use db1;
drop table if exists t1;
create table t1(c1 int key) partition by key(c1) partitions 2;
create database if not exists db2;
use db2;
drop table if exists t1;
create table t1(c1 int key) partition by key(c1) partitions 2;
select * from db1.t1,db2.t1;
c1	c1
use db1;
drop table if exists t1;
create table t1(c1 int key) partition by hash(c1) partitions 2;
create database if not exists db2;
use db2;
drop table if exists t1;
create table t1(c1 int key) partition by hash(c1) partitions 2;
select * from db1.t1,db2.t1;
c1	c1
drop table if exists t1;
create table t1 (c1 int primary key, c2 int);
insert into t1 values(1,8), (2,7), (3,6), (4,5);
select c1 from t1 group by t2.c1;
ERROR 42S22: Unknown column 't2.c1' in 'group statement'
select c1, c2 as c1 from t1 group by c1;
ERROR 23000: Column 'c1' in group statement is ambiguous
select c1, c2 as c1 from t1 group by t1.c1;
c1	c1
1	8
2	7
3	6
4	5
select c1 as c1, c2 as c1 from t1 group by c1;
ERROR 23000: Column 'c1' in group statement is ambiguous
select c1 as c1, c2 as c1 from t1 group by t1.c1;
c1	c1
1	8
2	7
3	6
4	5
select t1.c1 as cc from t1 group by t1.c1;
cc
1
2
3
4
select c1, c1 from t1 group by c1;
c1	c1
1	1
2	2
3	3
4	4
select 1 as c1, 2 as c2 from t1 group by c1;
c1	c2
1	2
1	2
1	2
1	2
Warnings:
Warning	1052	Column 'c1' in group statement is ambiguous
select 1 as c1, c1 from t1 group by c1;
ERROR 23000: Column 'c1' in group statement is ambiguous
select c1 as c2, c2 as c1 from t1 group by c1;
c2	c1
1	8
2	7
3	6
4	5
select c2+1 as c1, c1 from t1 group by c1;
ERROR 23000: Column 'c1' in group statement is ambiguous
select c1, c2 as c1 from t1 having t1.c1 > 2;
c1	c1
3	6
4	5
select c1, c2 + 1 as c1 from t1 having t1.c1 > 2;
c1	c1
3	7
4	6
select c1, c2 + 1 as c1 from t1 having c1 > 2;
ERROR 23000: Column 'c1' in having clause is ambiguous
select c1, c2 + 1 as c1 from t1 order by c1;
ERROR 23000: Column 'c1' in order clause is ambiguous
select c1, c2 + 1 as c1 from t1 order by t1.c1;
c1	c1
1	9
2	8
3	7
4	6
select c1, c2 + 1 as c1 from t1 group by c1;
ERROR 23000: Column 'c1' in group statement is ambiguous
select c1, c2 + 1 as c1 from t1 group by t1.c1;
c1	c1
1	9
2	8
3	7
4	6
select t1.c1 as c1 from t1 order by t1.c1;
c1
1
2
3
4
select t1.c1 as c2 from t1 order by t1.c1;
c2
1
2
3
4
drop table t1;
drop table if exists t1, t2;
create table t1 (a int(11), b char(10), key (a));
insert into t1 (a) values (1),(2),(3),(4);
create table t2 (a int);
select * from t1 left join t2 on t1.a=t2.a order by t1.a;
a	b	a
1	NULL	NULL
2	NULL	NULL
3	NULL	NULL
4	NULL	NULL
select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a) order by t1.a;
a	b	a
1	NULL	NULL
2	NULL	NULL
3	NULL	NULL
4	NULL	NULL
select exists(( select 1));
exists(( select 1))
1
select exists( select 1);
exists( select 1)
1
drop table t1,t2;
create table t1(c1 int, c2 int);
insert into t1 values(1, 1), (2, 2);
select * from t1 where c1<'2';
c1	c2
1	1
select * from t1 where c1>'1';
c1	c2
2	2
select * from t1 where c1='2';
c1	c2
2	2
select * from t1 where c1!='2';
c1	c2
1	1
select * from t1 where c1<='2';
c1	c2
1	1
2	2
select * from t1 where c1>='2';
c1	c2
2	2
select * from t1 where c1+'1'<=3;
c1	c2
1	1
2	2
select * from t1 where c1+'1'>=2;
c1	c2
1	1
2	2
drop table t1;
create table t1(c1 int primary key, c2 int);
insert into t1 values(1, 1), (2, 2);
select * from t1 where c1<'2';
c1	c2
1	1
select * from t1 where c1>'1';
c1	c2
2	2
select * from t1 where c1='2';
c1	c2
2	2
select * from t1 where c1!='2';
c1	c2
1	1
select * from t1 where c1<='2';
c1	c2
1	1
2	2
select * from t1 where c1>='2';
c1	c2
2	2
select * from t1 where c1+'1'<=3;
c1	c2
1	1
2	2
select * from t1 where c1+'1'>=2;
c1	c2
1	1
2	2
drop table t1;
SELECT 'a' = 'a ', 'a' LIKE 'a ';
'a' = 'a '	'a' LIKE 'a '
1	0
SELECT 'David!' LIKE 'David_';
'David!' LIKE 'David_'
1
SELECT 'David!' LIKE '%D%v%';
'David!' LIKE '%D%v%'
1
SELECT 'David!' LIKE 'David\_';
'David!' LIKE 'David\_'
0
SELECT 'David_' LIKE 'David\_';
'David_' LIKE 'David\_'
1
SELECT 'David_' LIKE 'David|_' ESCAPE '|';
'David_' LIKE 'David|_' ESCAPE '|'
1
SELECT 'abc' LIKE 'ABC';
'abc' LIKE 'ABC'
1
SELECT 'abc' LIKE BINARY 'ABC';
'abc' LIKE BINARY 'ABC'
0
SELECT 10 LIKE '1%';
10 LIKE '1%'
1
SELECT 'David_' LIKE 'David|_' ESCAPE null;
'David_' LIKE 'David|_' ESCAPE null
0
SELECT 'David_' LIKE 'David|_' ESCAPE 1;
'David_' LIKE 'David|_' ESCAPE 1
0
SELECT 'David_' LIKE 'David|_' ESCAPE 12;
ERROR HY000: Incorrect arguments to ESCAPE
SELECT 'David_' LIKE 'David|_' ESCAPE '12';
ERROR HY000: Incorrect arguments to ESCAPE
drop table if exists a1,a2;
create table a2(rowkey_suffix2 int primary key, price2 int);
create table a1(rowkey_suffix int primary key, price int);
select (select price from a2 where 1000 > price) as 'x', a1.* as 'with_alias' from a1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your OceanBase version for the right syntax to use near 'as 'with_alias' from a1' at line 1
select (select price from a2 where 1000 > price) as 'x', a1.* as with_alias from a1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your OceanBase version for the right syntax to use near 'as with_alias from a1' at line 1
select 1 from dual where @a:=1 and (1, 2);
ERROR 21000: Operand should contain 1 column(s)
select 1 from dual where @a:=1 and (1, (select 2));
ERROR 21000: Operand should contain 1 column(s)
select 1 from dual where @a:=1 and (1, exists(select 2));
ERROR 21000: Operand should contain 1 column(s)
create table t1(c1 int);
select 1 from t1 where c1 in (select c1 from t1 where exists( (select 1) union (select 1)));
1
select (1 and 100) or 100;
(1 and 100) or 100
1
drop table t1;
create table t1(c1 bigint, c2 varchar(64), c3 datetime);
insert into t1 values(20101010000000, '020101010000000', '2010-10-10 00:00:00');
select * from t1 where c1=c2 and c1=cast('2010-10-10 00:00:00' as datetime);
c1	c2	c3
20101010000000	020101010000000	2010-10-10 00:00:00
drop table if exists bug;
create table bug (col_float float);
insert into bug values(100);
select ((col_float and 100) or col_float) from bug;
((col_float and 100) or col_float)
1
drop table t1;
create table test1 (id int,dt datetime(6), primary key(id, dt));
insert into test1 values (0, '2017-01-01'), (0, '2017-01-02'), (0, '2017-01-03'), (1, '2017-01-01'), (1, '2017-01-02'), (1, '2017-01-03');
select * from test1 where (id, dt) > (0, '2017-01-02') and (id, dt) <= (1, '2017-01-03');
id	dt
0	2017-01-03 00:00:00.000000
1	2017-01-01 00:00:00.000000
1	2017-01-02 00:00:00.000000
1	2017-01-03 00:00:00.000000
select * from test1 where (id, dt) > (0, '2017-01-02') and (id, dt) <= (1, '2017-01-03') and dt < '2017-01-02';
id	dt
1	2017-01-01 00:00:00.000000
result_format: 4
select cast '';
ERROR 42S22: Unknown column 'cast' in 'field list'
select length '';
ERROR 42S22: Unknown column 'length' in 'field list'
select yearweek '';
ERROR 42S22: Unknown column 'yearweek' in 'field list'
select lala '';
ERROR 42S22: Unknown column 'lala' in 'field list'
select 1 '';
+---+
|   |
+---+
| 1 |
+---+
select 2 '';
+---+
|   |
+---+
| 2 |
+---+
select 2 as '';
+---+
|   |
+---+
| 2 |
+---+
select 1 as '';
+---+
|   |
+---+
| 1 |
+---+

drop database if exists db1;
drop database if exists db2;