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ft-bugfix (UPDATE something -> NULL)

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This commit is contained in:
serg@serg.mysql.com
2002-01-13 15:35:12 +00:00
parent 66521277c2
commit cffbd7e3d8
3 changed files with 4 additions and 2 deletions
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3
myisam/ft_update.c
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@ -159,9 +159,10 @@ int _mi_ft_cmp(MI_INFO *info, uint keynr, const byte *rec1, const byte *rec2)
while(_mi_ft_segiterator(&ftsi1) && _mi_ft_segiterator(&ftsi2))
{
if ((ftsi1.pos != ftsi2.pos) &&
(!ftsi1.pos || !ftsi2.pos ||
_mi_compare_text(default_charset_info,
(uchar*) ftsi1.pos,ftsi1.len,
(uchar*) ftsi2.pos,ftsi2.len,0))
(uchar*) ftsi2.pos,ftsi2.len,0)))
return THOSE_TWO_DAMN_KEYS_ARE_REALLY_DIFFERENT;
}
return GEE_THEY_ARE_ABSOLUTELY_IDENTICAL;

1
mysql-test/r/fulltext.result
View File

@ -149,3 +149,4 @@ update t1 set title='this test once revealed a bug' where id=1;
select * from t1;
id title
1 this test once revealed a bug
update t1 set title=NULL where id=1;

2
mysql-test/t/fulltext.test
View File

@ -128,4 +128,4 @@ update t1 set title='this is A test' where id=1;
check table t1;
update t1 set title='this test once revealed a bug' where id=1;
select * from t1;
update t1 set title=NULL where id=1;