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Fixed LP bug #933117.

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The bug was fixed with the code back-ported from the patch for LP bug 800184
pushed into mariadb-5.3.
This commit is contained in:
Igor Babaev
2012-02-16 16:06:49 -08:00
parent 0c265a5eb8
commit c563ea0717
3 changed files with 36 additions and 2 deletions
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14
mysql-test/t/range.test
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@ -1393,3 +1393,17 @@ SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
DROP TABLE t1;
--echo End of 5.1 tests
--echo #
--echo # LP Bug #533117: Wrong use_count in SEL_ARG trees
--echo # (Bug #58731)
--echo #
create table t1 (a int, b int, c int, key idx (a,b,c));
insert into t1 values (0,0,0), (2,2,0), (1,1,1), (2,2,1);
explain
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
drop table t1;