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Fix for BUG#4480: In joins with SELECT_STRAIGHT_JOIN re-order tables by outer join dependency,

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so we read dependent tables after tables they depend on (this is needed for outer joins)


mysql-test/r/join_outer.result:
  Test for BUG#4480
mysql-test/t/join_outer.test:
  Test for BUG#4480
This commit is contained in:
unknown 2004-12-21 01:59:58 +03:00
commit 1fc04e0b12
3 changed files with 57 additions and 10 deletions
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15
mysql-test/r/join_outer.result
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@ -853,4 +853,19 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t3 ALL NULL NULL NULL NULL 2
drop table t1,t2;
create table t1 (a int, b int);
insert into t1 values (1,1),(2,2),(3,3);
create table t2 (a int, b int);
insert into t2 values (1,1), (2,2);
select * from t2 right join t1 on t2.a=t1.a;
a b a b
1 1 1 1
2 2 2 2
NULL NULL 3 3
select straight_join * from t2 right join t1 on t2.a=t1.a;
a b a b
1 1 1 1
2 2 2 2
NULL NULL 3 3
DROP TABLE t0,t1,t2,t3;