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h2database
Commits
64281d5b
提交
64281d5b
authored
6 年前
作者:
Evgenij Ryazanov
浏览文件
操作
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电子邮件补丁
差异文件
An additional adjustment
上级
b3a1e2d3
隐藏空白字符变更
内嵌
并排
正在显示
2 个修改的文件
包含
7 行增加
和
0 行删除
+7
-0
BaseIndex.java
h2/src/main/org/h2/index/BaseIndex.java
+1
-0
indexes.sql
h2/src/test/org/h2/test/scripts/indexes.sql
+6
-0
没有找到文件。
h2/src/main/org/h2/index/BaseIndex.java
浏览文件 @
64281d5b
...
@@ -210,6 +210,7 @@ public abstract class BaseIndex extends SchemaObjectBase implements Index {
...
@@ -210,6 +210,7 @@ public abstract class BaseIndex extends SchemaObjectBase implements Index {
if
(
tryAdditional
)
{
if
(
tryAdditional
)
{
while
(
i
<
len
&&
masks
[
columns
[
i
].
getColumnId
()]
!=
0
)
{
while
(
i
<
len
&&
masks
[
columns
[
i
].
getColumnId
()]
!=
0
)
{
i
++;
i
++;
rowsCost
--;
}
}
}
}
// Increase cost of indexes with additional unused columns
// Increase cost of indexes with additional unused columns
...
...
This diff is collapsed.
Click to expand it.
h2/src/test/org/h2/test/scripts/indexes.sql
浏览文件 @
64281d5b
...
@@ -323,6 +323,9 @@ EXPLAIN SELECT * FROM TEST WHERE A = 0;
...
@@ -323,6 +323,9 @@ EXPLAIN SELECT * FROM TEST WHERE A = 0;
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
=
0
AND
B
>=
0
;
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
=
0
AND
B
>=
0
;
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A = 0 AND B >= 0 */
WHERE
(
A
=
0
)
AND
(
B
>=
0
)
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A = 0 AND B >= 0 */
WHERE
(
A
=
0
)
AND
(
B
>=
0
)
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
>
0
AND
B
>=
0
;
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A > 0 AND B >= 0 */
WHERE
(
A
>
0
)
AND
(
B
>=
0
)
INSERT
INTO
TEST
(
SELECT
X
/
100
,
X
,
X
FROM
SYSTEM_RANGE
(
1
,
3000
));
INSERT
INTO
TEST
(
SELECT
X
/
100
,
X
,
X
FROM
SYSTEM_RANGE
(
1
,
3000
));
>
update
count
:
3000
>
update
count
:
3000
...
@@ -332,6 +335,9 @@ EXPLAIN SELECT * FROM TEST WHERE A = 0;
...
@@ -332,6 +335,9 @@ EXPLAIN SELECT * FROM TEST WHERE A = 0;
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
=
0
AND
B
>=
0
;
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
=
0
AND
B
>=
0
;
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A = 0 AND B >= 0 */
WHERE
(
A
=
0
)
AND
(
B
>=
0
)
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A = 0 AND B >= 0 */
WHERE
(
A
=
0
)
AND
(
B
>=
0
)
EXPLAIN
SELECT
*
FROM
TEST
WHERE
A
>
0
AND
B
>=
0
;
>>
SELECT
TEST
.
A
,
TEST
.
B
,
TEST
.
C
FROM
PUBLIC
.
TEST
/* PUBLIC.T_A_B: A > 0 AND B >= 0 */
WHERE
(
A
>
0
)
AND
(
B
>=
0
)
-- Test that creation order of indexes has no effect
-- Test that creation order of indexes has no effect
CREATE
INDEX
T_A2
ON
TEST
(
A
);
CREATE
INDEX
T_A2
ON
TEST
(
A
);
>
ok
>
ok
...
...
This diff is collapsed.
Click to expand it.
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