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5c2e9854
编写于
7月 07, 2022
作者:
H
Haojun Liao
浏览文件
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电子邮件补丁
差异文件
fix(query): check if the data block overlaps with the delete skyline
上级
211985f0
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
36 addition
and
7 deletion
+36
-7
source/dnode/vnode/src/tsdb/tsdbRead.c
source/dnode/vnode/src/tsdb/tsdbRead.c
+36
-7
未找到文件。
source/dnode/vnode/src/tsdb/tsdbRead.c
浏览文件 @
5c2e9854
...
...
@@ -1416,29 +1416,58 @@ static bool keyOverlapFileBlock(TSDBKEY key, SBlock* pBlock, SVersionRange* pVer
(
pBlock
->
minVersion
<=
pVerRange
->
maxVer
);
}
static
bool
overlapWithDelSkyline
(
STableBlockScanInfo
*
pBlockScanInfo
,
const
SBlock
*
pBlock
)
{
if
(
pBlockScanInfo
->
delSkyline
==
NULL
)
{
return
false
;
}
TSDBKEY
*
pFirst
=
taosArrayGet
(
pBlockScanInfo
->
delSkyline
,
0
);
TSDBKEY
*
pLast
=
taosArrayGetLast
(
pBlockScanInfo
->
delSkyline
);
// ts is not overlap
if
(
pBlock
->
minKey
.
ts
>
pLast
->
ts
||
pBlock
->
maxKey
.
ts
<
pFirst
->
ts
)
{
return
false
;
}
// version is not overlap
size_t
num
=
taosArrayGetSize
(
pBlockScanInfo
->
delSkyline
);
for
(
int32_t
i
=
pBlockScanInfo
->
fileDelIndex
;
i
<
num
;
++
i
)
{
TSDBKEY
*
p
=
taosArrayGet
(
pBlockScanInfo
->
delSkyline
,
i
);
if
(
p
->
ts
>=
pBlock
->
minKey
.
ts
&&
p
->
ts
<=
pBlock
->
maxKey
.
ts
)
{
if
(
p
->
version
>=
pBlock
->
minVersion
)
{
return
true
;
}
}
else
if
(
p
->
ts
>
pBlock
->
maxKey
.
ts
)
{
return
false
;
}
}
ASSERT
(
0
);
return
false
;
}
// 1. the version of all rows should be less than the endVersion
// 2. current block should not overlap with next neighbor block
// 3. current timestamp should not be overlap with each other
// 4. output buffer should be large enough to hold all rows in current block
// 5. delete info should not overlap with current block data
static
bool
fileBlockShouldLoad
(
STsdbReader
*
pReader
,
SFileDataBlockInfo
*
pFBlock
,
SBlock
*
pBlock
,
STableBlockScanInfo
*
pScanInfo
,
TSDBKEY
key
)
{
int32_t
neighborIndex
=
0
;
SBlock
*
pNeighbor
=
getNeighborBlockOfSameTable
(
pFBlock
,
pScanInfo
,
&
neighborIndex
,
pReader
->
order
);
// overlap with neighbor
bool
overlapWithNeighbor
=
false
;
if
(
pNeighbor
)
{
overlapWithNeighbor
=
overlapWithNeighborBlock
(
pBlock
,
pNeighbor
,
pReader
->
order
);
}
bool
hasDup
=
false
;
if
(
pBlock
->
nSubBlock
==
1
)
{
hasDup
=
pBlock
->
hasDup
;
}
else
{
hasDup
=
true
;
}
// has duplicated ts of different version in this block
bool
hasDup
=
(
pBlock
->
nSubBlock
==
1
)
?
pBlock
->
hasDup
:
true
;
bool
overlapWithDel
=
overlapWithDelSkyline
(
pScanInfo
,
pBlock
);
return
(
overlapWithNeighbor
||
hasDup
||
dataBlockPartiallyRequired
(
&
pReader
->
window
,
&
pReader
->
verRange
,
pBlock
)
||
keyOverlapFileBlock
(
key
,
pBlock
,
&
pReader
->
verRange
)
||
(
pBlock
->
nRow
>
pReader
->
capacity
));
keyOverlapFileBlock
(
key
,
pBlock
,
&
pReader
->
verRange
)
||
(
pBlock
->
nRow
>
pReader
->
capacity
)
||
overlapWithDel
);
}
static
int32_t
buildDataBlockFromBuf
(
STsdbReader
*
pReader
,
STableBlockScanInfo
*
pBlockScanInfo
,
int64_t
endKey
)
{
...
...
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