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BUG#12873 - BTREE index on MEMORY table with multiple NULL values

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doesn't work properly

Unique BTREE index on MEMORY table refuse multiple NULL values.

Fixed search_flag to allow multiple null values inside unique key.


heap/hp_write.c:
  Fixed search_flag to allow multiple null values inside unique key.
mysql-test/r/heap_btree.result:
  Testcase for BUG#12873.
mysql-test/t/heap_btree.test:
  Testcase for BUG#12873.
This commit is contained in:
unknown
2006-05-11 21:15:37 +05:00
parent 60bb69aa04
commit ca88ca16d0
3 changed files with 12 additions and 1 deletions
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3
mysql-test/r/heap_btree.result
View File

@ -256,3 +256,6 @@ SELECT INDEX_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=DATABASE()
INDEX_LENGTH
21
DROP TABLE t1;
CREATE TABLE t1 (a INT, UNIQUE USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(NULL),(NULL);
DROP TABLE t1;

8
mysql-test/t/heap_btree.test
View File

@ -176,4 +176,12 @@ UPDATE t1 SET val=1;
SELECT INDEX_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='t1';
DROP TABLE t1;
#
# BUG#12873 - BTREE index on MEMORY table with multiple NULL values doesn't
# work properly
#
CREATE TABLE t1 (a INT, UNIQUE USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(NULL),(NULL);
DROP TABLE t1;
# End of 4.1 tests