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Administrator
h2database
Commits
138b5f4d
提交
138b5f4d
authored
9月 18, 2009
作者:
Thomas Mueller
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Page store: change page header format
上级
aa4c1bd1
显示空白字符变更
内嵌
并排
正在显示
10 个修改的文件
包含
46 行增加
和
52 行删除
+46
-52
PageBtreeLeaf.java
h2/src/main/org/h2/index/PageBtreeLeaf.java
+3
-3
PageBtreeNode.java
h2/src/main/org/h2/index/PageBtreeNode.java
+3
-3
PageDataLeaf.java
h2/src/main/org/h2/index/PageDataLeaf.java
+3
-3
PageDataNode.java
h2/src/main/org/h2/index/PageDataNode.java
+3
-3
PageDataOverflow.java
h2/src/main/org/h2/index/PageDataOverflow.java
+5
-5
PageFreeList.java
h2/src/main/org/h2/store/PageFreeList.java
+6
-16
PageStore.java
h2/src/main/org/h2/store/PageStore.java
+1
-1
PageStreamData.java
h2/src/main/org/h2/store/PageStreamData.java
+4
-4
PageStreamTrunk.java
h2/src/main/org/h2/store/PageStreamTrunk.java
+4
-4
Recover.java
h2/src/main/org/h2/tools/Recover.java
+14
-10
没有找到文件。
h2/src/main/org/h2/index/PageBtreeLeaf.java
浏览文件 @
138b5f4d
...
...
@@ -20,8 +20,8 @@ import org.h2.store.PageStore;
/**
* A b-tree leaf page that contains index data. Format:
* <ul>
* <li>parent page id (0 for root): int</li>
* <li>page type: byte</li>
* <li>parent page id (0 for root): int</li>
* <li>index id: varInt</li>
* <li>entry count: short</li>
* <li>list of offsets: short</li>
...
...
@@ -68,8 +68,8 @@ public class PageBtreeLeaf extends PageBtree {
private
void
read
()
throws
SQLException
{
data
.
reset
();
this
.
parentPageId
=
data
.
readInt
();
int
type
=
data
.
readByte
();
this
.
parentPageId
=
data
.
readInt
();
onlyPosition
=
(
type
&
Page
.
FLAG_LAST
)
==
0
;
int
indexId
=
data
.
readVarInt
();
if
(
indexId
!=
index
.
getId
())
{
...
...
@@ -233,8 +233,8 @@ public class PageBtreeLeaf extends PageBtree {
}
private
void
writeHead
()
{
data
.
writeInt
(
parentPageId
);
data
.
writeByte
((
byte
)
(
Page
.
TYPE_BTREE_LEAF
|
(
onlyPosition
?
0
:
Page
.
FLAG_LAST
)));
data
.
writeInt
(
parentPageId
);
data
.
writeVarInt
(
index
.
getId
());
data
.
writeShortInt
(
entryCount
);
}
...
...
h2/src/main/org/h2/index/PageBtreeNode.java
浏览文件 @
138b5f4d
...
...
@@ -21,8 +21,8 @@ import org.h2.util.MemoryUtils;
/**
* A b-tree node page that contains index data. Format:
* <ul>
* <li>parent page id (0 for root): int</li>
* <li>page type: byte</li>
* <li>parent page id (0 for root): int</li>
* <li>index id: varInt</li>
* <li>count of all children (-1 if not known): int</li>
* <li>entry count: short</li>
...
...
@@ -81,8 +81,8 @@ public class PageBtreeNode extends PageBtree {
private
void
read
()
throws
SQLException
{
data
.
reset
();
this
.
parentPageId
=
data
.
readInt
();
int
type
=
data
.
readByte
();
this
.
parentPageId
=
data
.
readInt
();
onlyPosition
=
(
type
&
Page
.
FLAG_LAST
)
==
0
;
int
indexId
=
data
.
readVarInt
();
if
(
indexId
!=
index
.
getId
())
{
...
...
@@ -370,8 +370,8 @@ public class PageBtreeNode extends PageBtree {
}
private
void
writeHead
()
{
data
.
writeInt
(
parentPageId
);
data
.
writeByte
((
byte
)
(
Page
.
TYPE_BTREE_NODE
|
(
onlyPosition
?
0
:
Page
.
FLAG_LAST
)));
data
.
writeInt
(
parentPageId
);
data
.
writeVarInt
(
index
.
getId
());
data
.
writeInt
(
rowCount
);
data
.
writeShortInt
(
entryCount
);
...
...
h2/src/main/org/h2/index/PageDataLeaf.java
浏览文件 @
138b5f4d
...
...
@@ -21,8 +21,8 @@ import org.h2.store.PageStore;
/**
* A leaf page that contains data of one or multiple rows. Format:
* <ul>
* <li>parent page id (0 for root): int</li>
* <li>page type: byte</li>
* <li>parent page id (0 for root): int</li>
* <li>table id: varInt</li>
* <li>column count: varInt</li>
* <li>entry count: short</li>
...
...
@@ -104,8 +104,8 @@ public class PageDataLeaf extends PageData {
private
void
read
()
throws
SQLException
{
data
.
reset
();
this
.
parentPageId
=
data
.
readInt
();
int
type
=
data
.
readByte
();
this
.
parentPageId
=
data
.
readInt
();
int
tableId
=
data
.
readVarInt
();
if
(
tableId
!=
index
.
getId
())
{
throw
Message
.
getSQLException
(
ErrorCode
.
FILE_CORRUPTED_1
,
...
...
@@ -416,7 +416,6 @@ public class PageDataLeaf extends PageData {
}
private
void
writeHead
()
{
data
.
writeInt
(
parentPageId
);
int
type
;
if
(
firstOverflowPageId
==
0
)
{
type
=
Page
.
TYPE_DATA_LEAF
|
Page
.
FLAG_LAST
;
...
...
@@ -424,6 +423,7 @@ public class PageDataLeaf extends PageData {
type
=
Page
.
TYPE_DATA_LEAF
;
}
data
.
writeByte
((
byte
)
type
);
data
.
writeInt
(
parentPageId
);
data
.
writeVarInt
(
index
.
getId
());
data
.
writeVarInt
(
columnCount
);
data
.
writeShortInt
(
entryCount
);
...
...
h2/src/main/org/h2/index/PageDataNode.java
浏览文件 @
138b5f4d
...
...
@@ -21,8 +21,8 @@ import org.h2.util.MemoryUtils;
/**
* A leaf page that contains data of one or multiple rows. Format:
* <ul>
* <li>parent page id (0 for root): int</li>
* <li>page type: byte</li>
* <li>parent page id (0 for root): int</li>
* <li>table id: varInt</li>
* <li>count of all children (-1 if not known): int</li>
* <li>entry count: short</li>
...
...
@@ -85,8 +85,8 @@ public class PageDataNode extends PageData {
private
void
read
()
throws
SQLException
{
data
.
reset
();
this
.
parentPageId
=
data
.
readInt
();
data
.
readByte
();
this
.
parentPageId
=
data
.
readInt
();
int
indexId
=
data
.
readVarInt
();
if
(
indexId
!=
index
.
getId
())
{
throw
Message
.
getSQLException
(
ErrorCode
.
FILE_CORRUPTED_1
,
...
...
@@ -312,8 +312,8 @@ public class PageDataNode extends PageData {
}
private
void
writeHead
()
{
data
.
writeInt
(
parentPageId
);
data
.
writeByte
((
byte
)
Page
.
TYPE_DATA_NODE
);
data
.
writeInt
(
parentPageId
);
data
.
writeVarInt
(
index
.
getId
());
data
.
writeInt
(
rowCountStored
);
data
.
writeShortInt
(
entryCount
);
...
...
h2/src/main/org/h2/index/PageDataOverflow.java
浏览文件 @
138b5f4d
...
...
@@ -18,8 +18,8 @@ import org.h2.store.PageStore;
/**
* Overflow data for a leaf page. Format:
* <ul>
* <li>pa
rent page id (0 for root): int (0-3
)</li>
* <li>pa
ge type: byte (
4)</li>
* <li>pa
ge type: byte (0
)</li>
* <li>pa
rent page id (0 for root): int (1-
4)</li>
* <li>more data: next overflow page id: int (5-8)</li>
* <li>last remaining size: short (5-6)</li>
* <li>data (9-/7-)</li>
...
...
@@ -108,8 +108,8 @@ public class PageDataOverflow extends Page {
static
PageDataOverflow
create
(
PageStore
store
,
int
page
,
int
type
,
int
parentPageId
,
int
next
,
Data
all
,
int
offset
,
int
size
)
{
Data
data
=
store
.
createData
();
PageDataOverflow
p
=
new
PageDataOverflow
(
store
,
page
,
data
);
data
.
writeInt
(
parentPageId
);
data
.
writeByte
((
byte
)
type
);
data
.
writeInt
(
parentPageId
);
if
(
type
==
Page
.
TYPE_DATA_OVERFLOW
)
{
data
.
writeInt
(
next
);
}
else
{
...
...
@@ -129,8 +129,8 @@ public class PageDataOverflow extends Page {
*/
private
void
read
()
throws
SQLException
{
data
.
reset
();
parentPageId
=
data
.
readInt
();
type
=
data
.
readByte
();
parentPageId
=
data
.
readInt
();
if
(
type
==
(
Page
.
TYPE_DATA_OVERFLOW
|
Page
.
FLAG_LAST
))
{
size
=
data
.
readShortInt
();
nextPage
=
0
;
...
...
@@ -168,8 +168,8 @@ public class PageDataOverflow extends Page {
}
private
void
writeHead
()
{
data
.
writeInt
(
parentPageId
);
data
.
writeByte
((
byte
)
type
);
data
.
writeInt
(
parentPageId
);
}
public
void
write
(
DataPage
buff
)
throws
SQLException
{
...
...
h2/src/main/org/h2/store/PageFreeList.java
浏览文件 @
138b5f4d
...
...
@@ -6,23 +6,20 @@
package
org
.
h2
.
store
;
import
java.sql.SQLException
;
import
org.h2.constant.ErrorCode
;
import
org.h2.engine.Session
;
import
org.h2.message.Message
;
import
org.h2.util.BitField
;
/**
* The list of free pages of a page store. The format of a free list trunk page
* is:
* <ul>
* <li>parent page id (always 0): int</li>
* <li>page type: byte</li>
* <li>data (
5
-)</li>
* <li>data (
1
-)</li>
* </ul>
*/
public
class
PageFreeList
extends
Page
{
private
static
final
int
DATA_START
=
5
;
private
static
final
int
DATA_START
=
1
;
private
final
PageStore
store
;
private
final
BitField
used
=
new
BitField
();
...
...
@@ -45,7 +42,7 @@ public class PageFreeList extends Page {
* @param pageId the page id
* @return the page
*/
static
PageFreeList
read
(
PageStore
store
,
Data
data
,
int
pageId
)
throws
SQLException
{
static
PageFreeList
read
(
PageStore
store
,
Data
data
,
int
pageId
)
{
PageFreeList
p
=
new
PageFreeList
(
store
,
pageId
);
p
.
data
=
data
;
p
.
read
();
...
...
@@ -140,14 +137,9 @@ public class PageFreeList extends Page {
/**
* Read the page from the disk.
*/
private
void
read
()
throws
SQLException
{
private
void
read
()
{
data
.
reset
();
int
p
=
data
.
readInt
();
int
t
=
data
.
readByte
();
if
(
p
!=
0
)
{
throw
Message
.
getSQLException
(
ErrorCode
.
FILE_CORRUPTED_1
,
"pos:"
+
getPos
()
+
" type:"
+
t
+
" parent:"
+
p
+
" expected type:"
+
Page
.
TYPE_FREE_LIST
);
}
data
.
readByte
();
for
(
int
i
=
0
;
i
<
pageCount
;
i
+=
8
)
{
used
.
setByte
(
i
,
data
.
readByte
()
&
255
);
}
...
...
@@ -160,9 +152,7 @@ public class PageFreeList extends Page {
public
void
write
(
DataPage
buff
)
throws
SQLException
{
data
=
store
.
createData
();
data
.
writeInt
(
0
);
int
type
=
Page
.
TYPE_FREE_LIST
;
data
.
writeByte
((
byte
)
type
);
data
.
writeByte
((
byte
)
Page
.
TYPE_FREE_LIST
);
for
(
int
i
=
0
;
i
<
pageCount
;
i
+=
8
)
{
data
.
writeByte
((
byte
)
used
.
getByte
(
i
));
}
...
...
h2/src/main/org/h2/store/PageStore.java
浏览文件 @
138b5f4d
...
...
@@ -454,8 +454,8 @@ public class PageStore implements CacheWriter {
}
Data
data
=
createData
();
readPage
(
pageId
,
data
);
data
.
readInt
();
int
type
=
data
.
readByte
();
data
.
readInt
();
Page
p
;
switch
(
type
&
~
Page
.
FLAG_LAST
)
{
case
Page
.
TYPE_EMPTY
:
...
...
h2/src/main/org/h2/store/PageStreamData.java
浏览文件 @
138b5f4d
...
...
@@ -12,8 +12,8 @@ import org.h2.engine.Session;
/**
* A data page of a stream. The format is:
* <ul>
* <li>
the trunk page id: int (0-3
)</li>
* <li>
page type: byte (
4)</li>
* <li>
page type: byte (0
)</li>
* <li>
the trunk page id: int (1-
4)</li>
* <li>log key: int (5-8)</li>
* <li>data (9-)</li>
* </ul>
...
...
@@ -68,8 +68,8 @@ public class PageStreamData extends Page {
*/
private
void
read
()
{
data
.
reset
();
trunk
=
data
.
readInt
();
data
.
readByte
();
trunk
=
data
.
readInt
();
logKey
=
data
.
readInt
();
}
...
...
@@ -82,8 +82,8 @@ public class PageStreamData extends Page {
*/
void
initWrite
()
{
data
=
store
.
createData
();
data
.
writeInt
(
trunk
);
data
.
writeByte
((
byte
)
Page
.
TYPE_STREAM_DATA
);
data
.
writeInt
(
trunk
);
data
.
writeInt
(
logKey
);
remaining
=
store
.
getPageSize
()
-
data
.
length
();
}
...
...
h2/src/main/org/h2/store/PageStreamTrunk.java
浏览文件 @
138b5f4d
...
...
@@ -13,8 +13,8 @@ import org.h2.engine.Session;
* A trunk page of a stream. It contains the page numbers of the stream, and the
* page number of the next trunk. The format is:
* <ul>
* <li>p
revious trunk page, or 0 if none: int (0-3
)</li>
* <li>p
age type: byte (
4)</li>
* <li>p
age type: byte (0
)</li>
* <li>p
revious trunk page, or 0 if none: int (1-
4)</li>
* <li>log key: int (5-8)</li>
* <li>next trunk page: int (9-12)</li>
* <li>number of pages: short (13-14)</li>
...
...
@@ -84,8 +84,8 @@ public class PageStreamTrunk extends Page {
*/
private
void
read
()
{
data
.
reset
();
parent
=
data
.
readInt
();
data
.
readByte
();
parent
=
data
.
readInt
();
logKey
=
data
.
readInt
();
nextTrunk
=
data
.
readInt
();
pageCount
=
data
.
readShortInt
();
...
...
@@ -123,8 +123,8 @@ public class PageStreamTrunk extends Page {
public
void
write
(
DataPage
buff
)
throws
SQLException
{
data
=
store
.
createData
();
data
.
writeInt
(
parent
);
data
.
writeByte
((
byte
)
Page
.
TYPE_STREAM_TRUNK
);
data
.
writeInt
(
parent
);
data
.
writeInt
(
logKey
);
data
.
writeInt
(
nextTrunk
);
data
.
writeShortInt
(
pageCount
);
...
...
h2/src/main/org/h2/tools/Recover.java
浏览文件 @
138b5f4d
...
...
@@ -859,14 +859,10 @@ public class Recover extends Tool implements DataHandler {
s
=
Data
.
create
(
this
,
pageSize
);
store
.
seek
(
page
*
pageSize
);
store
.
readFully
(
s
.
getBytes
(),
0
,
pageSize
);
int
parentPageId
=
s
.
readInt
();
int
type
=
s
.
readByte
();
switch
(
type
)
{
case
Page
.
TYPE_EMPTY
:
pageTypeCount
[
type
]++;
if
(
parentPageId
!=
0
)
{
writer
.
println
(
"-- ERROR empty page with parent: "
+
parentPageId
);
}
emptyPages
++;
continue
;
}
...
...
@@ -876,20 +872,24 @@ public class Recover extends Tool implements DataHandler {
// type 1
case
Page
.
TYPE_DATA_LEAF
:
{
pageTypeCount
[
type
]++;
int
parentPageId
=
s
.
readInt
();
setStorage
(
s
.
readVarInt
());
int
columnCount
=
s
.
readVarInt
();
int
entries
=
s
.
readShortInt
();
writer
.
println
(
"-- page "
+
page
+
": data leaf "
+
(
last
?
"(last)"
:
""
)
+
" table: "
+
storageId
+
" entries: "
+
entries
+
" columns: "
+
columnCount
);
writer
.
println
(
"-- page "
+
page
+
": data leaf "
+
(
last
?
"(last)"
:
""
)
+
" parent: "
+
parentPageId
+
" table: "
+
storageId
+
" entries: "
+
entries
+
" columns: "
+
columnCount
);
dumpPageDataLeaf
(
writer
,
s
,
last
,
page
,
columnCount
,
entries
);
break
;
}
// type 2
case
Page
.
TYPE_DATA_NODE
:
{
pageTypeCount
[
type
]++;
int
parentPageId
=
s
.
readInt
();
setStorage
(
s
.
readVarInt
());
int
rowCount
=
s
.
readInt
();
int
entries
=
s
.
readShortInt
();
writer
.
println
(
"-- page "
+
page
+
": data node "
+
(
last
?
"(last)"
:
""
)
+
" entries: "
+
entries
+
" rowCount: "
+
rowCount
);
writer
.
println
(
"-- page "
+
page
+
": data node "
+
(
last
?
"(last)"
:
""
)
+
" parent: "
+
parentPageId
+
" entries: "
+
entries
+
" rowCount: "
+
rowCount
);
break
;
}
// type 3
...
...
@@ -900,9 +900,11 @@ public class Recover extends Tool implements DataHandler {
// type 4
case
Page
.
TYPE_BTREE_LEAF
:
{
pageTypeCount
[
type
]++;
int
parentPageId
=
s
.
readInt
();
setStorage
(
s
.
readVarInt
());
int
entries
=
s
.
readShortInt
();
writer
.
println
(
"-- page "
+
page
+
": b-tree leaf "
+
(
last
?
"(last)"
:
""
)
+
" index: "
+
storageId
+
" entries: "
+
entries
);
writer
.
println
(
"-- page "
+
page
+
": b-tree leaf "
+
(
last
?
"(last)"
:
""
)
+
" parent: "
+
parentPageId
+
" index: "
+
storageId
+
" entries: "
+
entries
);
if
(
trace
)
{
dumpPageBtreeLeaf
(
writer
,
s
,
entries
,
!
last
);
}
...
...
@@ -911,8 +913,10 @@ public class Recover extends Tool implements DataHandler {
// type 5
case
Page
.
TYPE_BTREE_NODE
:
pageTypeCount
[
type
]++;
int
parentPageId
=
s
.
readInt
();
setStorage
(
s
.
readVarInt
());
writer
.
println
(
"-- page "
+
page
+
": b-tree node"
+
(
last
?
"(last)"
:
""
)
+
" index: "
+
storageId
);
writer
.
println
(
"-- page "
+
page
+
": b-tree node"
+
(
last
?
"(last)"
:
""
)
+
" parent: "
+
parentPageId
+
"index: "
+
storageId
);
if
(
trace
)
{
dumpPageBtreeNode
(
writer
,
s
,
!
last
);
}
...
...
@@ -1107,8 +1111,8 @@ public class Recover extends Tool implements DataHandler {
store
.
seek
((
long
)
trunkPage
*
pageSize
);
store
.
readFully
(
page
.
getBytes
(),
0
,
pageSize
);
page
.
reset
();
page
.
readInt
();
int
t
=
page
.
readByte
();
page
.
readInt
();
if
(
t
!=
Page
.
TYPE_STREAM_TRUNK
)
{
writer
.
println
(
"-- eof page: "
+
trunkPage
+
" type: "
+
t
+
" expected type: "
+
Page
.
TYPE_STREAM_TRUNK
);
endOfFile
=
true
;
...
...
@@ -1140,8 +1144,8 @@ public class Recover extends Tool implements DataHandler {
store
.
seek
((
long
)
nextPage
*
pageSize
);
store
.
readFully
(
page
.
getBytes
(),
0
,
pageSize
);
page
.
reset
();
int
p
=
page
.
readInt
();
int
t
=
page
.
readByte
();
int
p
=
page
.
readInt
();
int
k
=
page
.
readInt
();
if
(
t
!=
Page
.
TYPE_STREAM_DATA
)
{
writer
.
println
(
"-- eof page: "
+
nextPage
+
" type: "
+
t
+
" parent: "
+
p
+
...
...
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