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h2database
Commits
8dc282eb
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8dc282eb
authored
8月 08, 2013
作者:
noelgrandin
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电子邮件补丁
差异文件
and fix a similar bug in unique hash indexes
上级
c5177149
隐藏空白字符变更
内嵌
并排
正在显示
3 个修改的文件
包含
14 行增加
和
2 行删除
+14
-2
changelog.html
h2/src/docsrc/html/changelog.html
+1
-1
HashIndex.java
h2/src/main/org/h2/index/HashIndex.java
+9
-1
TestIndex.java
h2/src/test/org/h2/test/db/TestIndex.java
+4
-0
没有找到文件。
h2/src/docsrc/html/changelog.html
浏览文件 @
8dc282eb
...
...
@@ -21,7 +21,7 @@ Change Log
<ul><li>
Improved spatial index and data type.
</li><li>
Issue 467: OSGi Class Loader (ability to create reference to class
in other ClassLoader, for example in another OSGi bundle).
</li><li>
Fix bug in
non-unique hash index
which manifested as incorrect results
</li><li>
Fix bug in
unique and non-unique hash indexes
which manifested as incorrect results
when the search key was a different cardinal type from the table index key.
e.g. where the one was INT and the other was LONG
</li></ul>
...
...
h2/src/main/org/h2/index/HashIndex.java
浏览文件 @
8dc282eb
...
...
@@ -68,8 +68,16 @@ public class HashIndex extends BaseIndex {
// TODO hash index: should additionally check if values are the same
throw
DbException
.
throwInternalError
();
}
Value
v
=
first
.
getValue
(
indexColumn
);
/*
* Sometimes the incoming search is a similar, but not the same type
* e.g. the search value is INT, but the index column is LONG. In which
* case, we need to convert otherwise the ValueHashMap will not find the
* result.
*/
v
=
v
.
convertTo
(
tableData
.
getColumn
(
indexColumn
).
getType
());
Row
result
;
Long
pos
=
rows
.
get
(
first
.
getValue
(
indexColumn
)
);
Long
pos
=
rows
.
get
(
v
);
if
(
pos
==
null
)
{
result
=
null
;
}
else
{
...
...
h2/src/test/org/h2/test/db/TestIndex.java
浏览文件 @
8dc282eb
...
...
@@ -510,6 +510,10 @@ public class TestIndex extends TestBase {
stat
.
execute
(
"create memory table hash_index_test as select x as id, x % 10 as data from (select * from system_range(1, 100))"
);
stat
.
execute
(
"create hash index idx2 on hash_index_test(data)"
);
assertEquals
(
10
,
getValue
(
"select count(*) from hash_index_test where data = 1"
));
stat
.
execute
(
"drop index idx2"
);
stat
.
execute
(
"create unique hash index idx2 on hash_index_test(id)"
);
assertEquals
(
1
,
getValue
(
"select count(*) from hash_index_test where id = 1"
));
}
private
int
getValue
(
String
sql
)
throws
SQLException
{
...
...
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