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体验新版 GitCode,发现更多精彩内容 >>
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2bca6959
编写于
9月 15, 2021
作者:
C
congqixia
提交者:
GitHub
9月 15, 2021
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电子邮件补丁
差异文件
Add some comment for SegmentsInfo (#7995)
Signed-off-by:
N
Congqi Xia
<
congqi.xia@zilliz.com
>
上级
c76f9123
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
18 addition
and
0 deletion
+18
-0
internal/datacoord/segment_info.go
internal/datacoord/segment_info.go
+18
-0
未找到文件。
internal/datacoord/segment_info.go
浏览文件 @
2bca6959
...
...
@@ -9,10 +9,12 @@ import (
"github.com/milvus-io/milvus/internal/proto/internalpb"
)
// SegmentsInfo wraps a map, which maintains ID to SegmentInfo relation
type
SegmentsInfo
struct
{
segments
map
[
UniqueID
]
*
SegmentInfo
}
// SegmentInfo wraps datapb.SegmentInfo and patches some extra info on it
type
SegmentInfo
struct
{
*
datapb
.
SegmentInfo
currRows
int64
...
...
@@ -32,10 +34,13 @@ func NewSegmentInfo(info *datapb.SegmentInfo) *SegmentInfo {
}
}
// NewSegmentsInfo create `SegmentsInfo` instance, which makes sure internal map is initialized
// note that no mutex is wrapper so external concurrent control is needed
func
NewSegmentsInfo
()
*
SegmentsInfo
{
return
&
SegmentsInfo
{
segments
:
make
(
map
[
UniqueID
]
*
SegmentInfo
)}
}
// GetSegment returns SegmentInfo
func
(
s
*
SegmentsInfo
)
GetSegment
(
segmentID
UniqueID
)
*
SegmentInfo
{
segment
,
ok
:=
s
.
segments
[
segmentID
]
if
!
ok
{
...
...
@@ -44,6 +49,8 @@ func (s *SegmentsInfo) GetSegment(segmentID UniqueID) *SegmentInfo {
return
segment
}
// GetSegments iterates internal map and returns all SegmentInfo in a slice
// no deep copy applied
func
(
s
*
SegmentsInfo
)
GetSegments
()
[]
*
SegmentInfo
{
segments
:=
make
([]
*
SegmentInfo
,
0
,
len
(
s
.
segments
))
for
_
,
segment
:=
range
s
.
segments
{
...
...
@@ -52,32 +59,43 @@ func (s *SegmentsInfo) GetSegments() []*SegmentInfo {
return
segments
}
// DropSegment deletes provided segmentID
// no extra method is taken when segmentID not exists
func
(
s
*
SegmentsInfo
)
DropSegment
(
segmentID
UniqueID
)
{
delete
(
s
.
segments
,
segmentID
)
}
// SetSegment sets SegmentInfo with segmentID, perform overwrite if already exists
func
(
s
*
SegmentsInfo
)
SetSegment
(
segmentID
UniqueID
,
segment
*
SegmentInfo
)
{
s
.
segments
[
segmentID
]
=
segment
}
// SetRowCount sets rowCount info for SegmentInfo with provided segmentID
// if SegmentInfo not found, do nothing
func
(
s
*
SegmentsInfo
)
SetRowCount
(
segmentID
UniqueID
,
rowCount
int64
)
{
if
segment
,
ok
:=
s
.
segments
[
segmentID
];
ok
{
s
.
segments
[
segmentID
]
=
segment
.
ShadowClone
(
SetRowCount
(
rowCount
))
}
}
// SetStates sets Segment State info for SegmentInfo with provided segmentID
// if SegmentInfo not found, do nothing
func
(
s
*
SegmentsInfo
)
SetState
(
segmentID
UniqueID
,
state
commonpb
.
SegmentState
)
{
if
segment
,
ok
:=
s
.
segments
[
segmentID
];
ok
{
s
.
segments
[
segmentID
]
=
segment
.
ShadowClone
(
SetState
(
state
))
}
}
// SetDmlPosition sets DmlPosition info (checkpoint for recovery) for SegmentInfo with provided segmentID
// if SegmentInfo not found, do nothing
func
(
s
*
SegmentsInfo
)
SetDmlPosition
(
segmentID
UniqueID
,
pos
*
internalpb
.
MsgPosition
)
{
if
segment
,
ok
:=
s
.
segments
[
segmentID
];
ok
{
s
.
segments
[
segmentID
]
=
segment
.
Clone
(
SetDmlPosition
(
pos
))
}
}
// SetStartPosition sets StartPosition info (recovery info when no checkout point found) for SegmentInfo with provided segmentID
// if SegmentInfo not found, do nothing
func
(
s
*
SegmentsInfo
)
SetStartPosition
(
segmentID
UniqueID
,
pos
*
internalpb
.
MsgPosition
)
{
if
segment
,
ok
:=
s
.
segments
[
segmentID
];
ok
{
s
.
segments
[
segmentID
]
=
segment
.
Clone
(
SetStartPosition
(
pos
))
...
...
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