1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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.
This commit is contained in:
svoj@april.(none) 2006-05-11 21:15:37 +05:00
parent d24b4d6e99
commit 32a07617bc
3 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
heap/hp_write.c
View File

@ -105,7 +105,7 @@ int hp_rb_write_key(HP_INFO *info, HP_KEYDEF *keyinfo, const byte *record,
custom_arg.key_length= hp_rb_make_key(keyinfo, info->recbuf, record, recpos);
if (keyinfo->flag & HA_NOSAME)
{
custom_arg.search_flag= SEARCH_FIND | SEARCH_SAME | SEARCH_UPDATE;
custom_arg.search_flag= SEARCH_FIND | SEARCH_UPDATE;
keyinfo->rb_tree.flag= TREE_NO_DUPS;
}
else

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