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Fix and testcase for BUG#6699

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sergefp@mysql.com
2004-11-29 06:51:30 +03:00
parent cb538e45f5
commit 0bf584d9a5
4 changed files with 69 additions and 11 deletions
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18
mysql-test/t/merge.test
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@@ -285,3 +285,21 @@ create table t3 engine=merge union=(t1, t2) select * from t1;
--error 1093
create table t3 engine=merge union=(t1, t2) select * from t2;
drop table t1, t2;
# BUG#6699 : no sorting on 'ref' retrieval
create table t1 (a int,b int,c int, index (a,b,c));
create table t2 (a int,b int,c int, index (a,b,c));
create table t3 (a int,b int,c int, index (a,b,c))
engine=merge union=(t1 ,t2);
insert into t1 (a,b,c) values (1,1,0),(1,2,0);
insert into t2 (a,b,c) values (1,1,1),(1,2,1);
explain select a,b,c from t3 force index (a) where a=1 order by a,b,c;
select a,b,c from t3 force index (a) where a=1 order by a,b,c;
# this actually wasn't affected:
explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
drop table t1, t2, t3;