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Fixed Bug#1002564: Wrong result for a lookup query from a heap table

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mysql-test/suite/heap/heap_hash.result:
  Added test case
mysql-test/suite/heap/heap_hash.test:
  Added test case
storage/heap/hp_hash.c:
  Limit key data length to max key length
This commit is contained in:
Michael Widenius
2012-09-10 16:46:33 +03:00
parent 7fbd2de8b8
commit 1539f91267
3 changed files with 41 additions and 0 deletions
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13
mysql-test/suite/heap/heap_hash.test
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@@ -316,4 +316,17 @@ DELETE FROM t1 WHERE col_int_nokey = 5 ORDER BY col_int_key LIMIT 2;
DROP TABLE t1;
--echo #
--echo # Bug #1002564: Wrong result for a lookup query from a heap table
--echo #
CREATE TABLE t1 (c1 VARCHAR(10) NOT NULL, KEY i1 (c1(3))) ENGINE=MEMORY DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('foo1'), ('bar2'), ('baz3');
explain SELECT * FROM t1 WHERE c1='bar2';
SELECT * FROM t1 WHERE c1='bar2';
ALTER TABLE t1 DROP KEY i1, ADD KEY il (c1(3)) using btree;
explain SELECT * FROM t1 WHERE c1='bar2';
SELECT * FROM t1 WHERE c1='bar2';
DROP TABLE t1;
--echo End of 5.5 tests