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Merge mysql.com:/home/ram/work/b30885/b30885.5.0

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into  mysql.com:/home/ram/work/b30885/b30885.5.1
This commit is contained in:
ramil/ram@ramil.myoffice.izhnet.ru 2007-10-15 09:41:30 +05:00
commit 981ebebf4e
2 changed files with 17 additions and 0 deletions
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8
mysql-test/r/heap_btree.result
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@ -321,4 +321,12 @@ DROP TABLE t1;
CREATE TABLE t1 (a INT, UNIQUE USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(NULL),(NULL);
DROP TABLE t1;
create table t1(a varchar(255), b varchar(255),
key using btree (a,b)) engine=memory;
insert into t1 values (1, 1), (3, 3), (2, 2), (NULL, 1), (NULL, NULL), (0, 0);
select * from t1 where a is null;
a b
NULL NULL
NULL 1
drop table t1;
End of 5.0 tests

9
mysql-test/t/heap_btree.test
View File

@ -235,5 +235,14 @@ CREATE TABLE t1 (a INT, UNIQUE USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(NULL),(NULL);
DROP TABLE t1;
#
# Bug #30885: MEMORY returns incorrect data if BTREE index is used for NULL lookup
#
create table t1(a varchar(255), b varchar(255),
key using btree (a,b)) engine=memory;
insert into t1 values (1, 1), (3, 3), (2, 2), (NULL, 1), (NULL, NULL), (0, 0);
select * from t1 where a is null;
drop table t1;
--echo End of 5.0 tests