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WL#2486 - natural/using join according to SQL:2003.
Implemented specialized regression test for the WL.
This commit is contained in:
timour@mysql.com
@@ -391,3 +391,309 @@ i i i
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2 NULL 4
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2 2 2
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drop table t1,t2,t3;
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create table t1 (c int, b int);
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create table t2 (a int, b int);
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create table t3 (b int, c int);
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create table t4 (y int, c int);
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create table t5 (y int, z int);
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create table t6 (a int, c int);
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insert into t1 values (10,1);
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insert into t1 values (3 ,1);
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insert into t1 values (3 ,2);
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insert into t2 values (2, 1);
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insert into t3 values (1, 3);
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insert into t3 values (1,10);
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insert into t4 values (11,3);
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insert into t4 values (2, 3);
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insert into t5 values (11,4);
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insert into t6 values (2, 3);
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create algorithm=merge view v1a as
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select * from t1 natural join t2;
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create algorithm=merge view v1b(a,b,c) as
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select * from t1 natural join t2;
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create algorithm=merge view v1c as
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select b as a, c as b, a as c from t1 natural join t2;
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create algorithm=merge view v1d(b, a, c) as
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select a as c, c as b, b as a from t1 natural join t2;
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create algorithm=merge view v2a as
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select t1.c, t1.b, t2.a from t1 join (t2 join t4 on b + 1 = y) on t1.c = t4.c;
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create algorithm=merge view v2b as
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select t1.c as b, t1.b as a, t2.a as c
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from t1 join (t2 join t4 on b + 1 = y) on t1.c = t4.c;
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create algorithm=merge view v3a as
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select * from t1 natural join t2 natural join t3;
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create algorithm=merge view v3b as
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select * from t1 natural join (t2 natural join t3);
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create algorithm=merge view v4 as
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select * from v2a natural join v3a;
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select * from (t1 natural join t2) natural join (t3 natural join t4);
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b c a y
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1 3 2 11
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1 3 2 2
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select * from (t1 natural join t2) natural left join (t3 natural join t4);
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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select * from (t3 natural join t4) natural right join (t1 natural join t2);
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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select * from (t1 natural left join t2) natural left join (t3 natural left join t4);
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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2 3 NULL NULL
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select * from (t4 natural right join t3) natural right join (t2 natural right join t1);
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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2 3 NULL NULL
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select * from t1 natural join t2 natural join t3 natural join t4;
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c b a y
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3 1 2 11
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3 1 2 2
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select * from ((t1 natural join t2) natural join t3) natural join t4;
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c b a y
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3 1 2 11
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3 1 2 2
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select * from t1 natural join (t2 natural join (t3 natural join t4));
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c b a y
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3 1 2 11
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3 1 2 2
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select * from ((t3 natural left join (t1 natural left join t2)) natural left join t4) natural left join t5;
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y c b a z
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11 3 1 2 4
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2 3 1 2 NULL
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NULL 10 1 2 NULL
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select * from t5 natural right join (t4 natural right join ((t2 natural right join t1) natural right join t3));
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y c b a z
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11 3 1 2 4
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2 3 1 2 NULL
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NULL 10 1 2 NULL
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select * from (t1 natural join t2), (t3 natural join t4);
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b c a c b y
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1 10 2 3 1 11
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1 10 2 3 1 2
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1 3 2 3 1 11
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1 3 2 3 1 2
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select * from (t1 join t2 using (b)) join (t3 join t4 using (c)) using (c);
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c b a b y
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3 1 2 1 11
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3 1 2 1 2
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select * from (t1 join t2 using (b)) natural join (t3 join t4 using (c));
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b c a y
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1 3 2 11
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1 3 2 2
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select a,b,c from (t1 natural join t2) natural join (t3 natural join t4)
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where b + 1 = y or b + 10 = y group by b,c,a having min(b) < max(y) order by a;
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a b c
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2 1 3
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select * from (t1 natural join t2) natural left join (t3 natural join t4)
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where b + 1 = y or b + 10 = y group by b,c,a,y having min(b) < max(y) order by a, y;
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b c a y
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1 3 2 2
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1 3 2 11
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select * from (t3 natural join t4) natural right join (t1 natural join t2)
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where b + 1 = y or b + 10 = y group by b,c,a,y having min(b) < max(y) order by a, y;
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b c a y
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1 3 2 2
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1 3 2 11
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select * from t1 natural join t2 where t1.c > t2.a;
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b c a
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1 10 2
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1 3 2
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select * from t1 natural join t2 where t1.b > t2.b;
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b c a
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select * from t1 natural left join (t4 natural join t5) where t5.z is not NULL;
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c b y z
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3 1 11 4
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3 2 11 4
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select * from t1 join (t2 join t4 on b + 1 = y) on t1.c = t4.c;
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c b a b y c
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3 1 2 1 2 3
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3 2 2 1 2 3
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select * from (t2 join t4 on b + 1 = y) join t1 on t1.c = t4.c;
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a b y c c b
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2 1 2 3 3 1
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2 1 2 3 3 2
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select * from t1 natural join (t2 join t4 on b + 1 = y);
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c b a y
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3 1 2 2
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select * from (t1 cross join t2) join (t3 cross join t4) on (a < y and t2.b < t3.c);
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c b a b b c y c
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10 1 2 1 1 3 11 3
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10 1 2 1 1 10 11 3
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3 1 2 1 1 3 11 3
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3 1 2 1 1 10 11 3
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3 2 2 1 1 3 11 3
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3 2 2 1 1 10 11 3
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select * from (t1, t2) join (t3, t4) on (a < y and t2.b < t3.c);
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c b a b b c y c
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10 1 2 1 1 3 11 3
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10 1 2 1 1 10 11 3
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3 1 2 1 1 3 11 3
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3 1 2 1 1 10 11 3
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3 2 2 1 1 3 11 3
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3 2 2 1 1 10 11 3
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select * from (t1 natural join t2) join (t3 natural join t4) on a = y;
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b c a c b y
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1 10 2 3 1 2
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1 3 2 3 1 2
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select * from ((t3 join (t1 join t2 on c > a) on t3.b < t2.a) join t4 on y > t1.c) join t5 on z = t1.b + 3;
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b c c b a b y c y z
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1 3 10 1 2 1 11 3 11 4
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1 10 10 1 2 1 11 3 11 4
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1 3 3 1 2 1 11 3 11 4
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1 10 3 1 2 1 11 3 11 4
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select * from t1 natural join t2 where t1.b > 0;
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b c a
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1 10 2
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1 3 2
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select * from t1 natural join (t4 natural join t5) where t4.y > 7;
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c b y z
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3 1 11 4
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3 2 11 4
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select * from (t4 natural join t5) natural join t1 where t4.y > 7;
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c y z b
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3 11 4 1
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3 11 4 2
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select * from t1 natural left join (t4 natural join t5) where t4.y > 7;
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c b y z
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3 1 11 4
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3 2 11 4
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select * from (t4 natural join t5) natural right join t1 where t4.y > 7;
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c b y z
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3 1 11 4
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3 2 11 4
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select * from (t1 natural join t2) join (t3 natural join t4) on t1.b = t3.b;
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b c a c b y
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1 10 2 3 1 11
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1 10 2 3 1 2
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1 3 2 3 1 11
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1 3 2 3 1 2
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select t1.*, t2.* from t1 natural join t2;
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c b a b
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10 1 2 1
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3 1 2 1
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select t1.*, t2.*, t3.*, t4.* from (t1 natural join t2) natural join (t3 natural join t4);
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c b a b b c y c
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3 1 2 1 1 3 11 3
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3 1 2 1 1 3 2 3
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select * from (select * from t1 natural join t2) as t12
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natural join
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(select * from t3 natural join t4) as t34;
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b c a y
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1 3 2 11
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1 3 2 2
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select * from (select * from t1 natural join t2) as t12
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natural left join
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(select * from t3 natural join t4) as t34;
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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select * from (select * from t3 natural join t4) as t34
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natural right join
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(select * from t1 natural join t2) as t12;
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b c a y
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1 10 2 NULL
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1 3 2 11
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1 3 2 2
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select * from v1a;
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b c a
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1 10 2
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1 3 2
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select * from v1b;
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a b c
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1 10 2
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1 3 2
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select * from v1c;
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a b c
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1 10 2
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1 3 2
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select * from v1d;
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b a c
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2 10 1
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2 3 1
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select * from v2a;
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c b a
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3 1 2
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3 2 2
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select * from v2b;
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b a c
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3 1 2
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3 2 2
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select * from v3a;
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b c a
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1 10 2
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1 3 2
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select * from v3b;
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c b a
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10 1 2
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3 1 2
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select * from v4;
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c b a
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3 1 2
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select * from v1a natural join v2a;
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b c a
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1 3 2
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select v2a.* from v1a natural join v2a;
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c b a
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3 1 2
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select * from v1b join v2a on v1b.b = v2a.c;
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a b c c b a
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1 3 2 3 1 2
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1 3 2 3 2 2
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select * from v1c join v2a on v1c.b = v2a.c;
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a b c c b a
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1 3 2 3 1 2
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1 3 2 3 2 2
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select * from v1d join v2a on v1d.a = v2a.c;
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b a c c b a
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2 3 1 3 1 2
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2 3 1 3 2 2
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select * from v1a join (t3 natural join t4) on a = y;
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b c a c b y
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1 10 2 3 1 2
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1 3 2 3 1 2
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select * from t1 natural join (t3 cross join t4);
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ERROR 23000: Column 'c' in from clause is ambiguous
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select * from (t3 cross join t4) natural join t1;
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ERROR 23000: Column 'c' in from clause is ambiguous
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select * from t1 join (t2, t3) using (b);
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ERROR 23000: Column 'b' in from clause is ambiguous
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select * from ((t1 natural join t2), (t3 natural join t4)) natural join t6;
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ERROR 23000: Column 'c' in from clause is ambiguous
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select * from ((t1 natural join t2), (t3 natural join t4)) natural join t6;
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ERROR 23000: Column 'c' in from clause is ambiguous
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select * from (t1 join t2 on t1.b=t2.b) natural join (t3 natural join t4);
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ERROR 23000: Column 'b' in from clause is ambiguous
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select * from (t3 natural join t4) natural join (t1 join t2 on t1.b=t2.b);
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ERROR 23000: Column 'b' in from clause is ambiguous
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select * from (t3 join (t4 natural join t5) on (b < z))
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natural join
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(t1 natural join t2);
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ERROR 23000: Column 'c' in from clause is ambiguous
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select t1.b from v1a;
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ERROR 42S22: Unknown column 't1.b' in 'field list'
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select * from v1a join v1b on t1.b = t2.b;
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ERROR 42S22: Unknown column 't1.b' in 'on clause'
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drop table t1;
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drop table t2;
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drop table t3;
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drop table t4;
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drop table t5;
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drop table t6;
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drop view v1a;
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drop view v1b;
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drop view v1c;
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drop view v1d;
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drop view v2a;
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drop view v2b;
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drop view v3a;
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drop view v3b;
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drop view v4;
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