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Fixed a bug in GREATES() and LEAST() function, that caused a core

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dump when result was NULL.


mysql-test/r/func_test.result:
  Added a test for GREATEST() and LEAST() core dump bug.
mysql-test/t/func_test.test:
  Added a test for GREATEST() and LEAST() core dump bug.
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2004-01-28 19:02:58 +02:00
parent d01e810128
commit 96abffd4a4
3 changed files with 16 additions and 0 deletions
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6
mysql-test/r/func_test.result
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@ -165,3 +165,9 @@ SELECT f_acc.rank, a1.rank, a2.rank FROM t1 LEFT JOIN t1 f1 ON (f1.access_id=1
rank rank rank
2 2 NULL
DROP TABLE t1,t2;
CREATE TABLE t1 (d varchar(6), k int);
INSERT INTO t1 VALUES (NULL, 2);
SELECT GREATEST(d,d) FROM t1 WHERE k=2;
GREATEST(d,d)
NULL
DROP TABLE t1;