-
Notifications
You must be signed in to change notification settings - Fork 265
/
transferdels.go
84 lines (73 loc) · 1.91 KB
/
transferdels.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"bytes"
"strconv"
"sync"
"time"
"github.com/matrixorigin/matrixone/pkg/container/types"
)
type TransDels struct {
// any txn starts after this ts won't check this table
noUseAfter types.TS
bornTime time.Time
// row -> commit ts
Mapping map[int]types.TS
}
func NewTransDels(endts types.TS) *TransDels {
return &TransDels{
noUseAfter: endts,
bornTime: time.Now(),
Mapping: make(map[int]types.TS),
}
}
func (t *TransDels) PPString() string {
var w bytes.Buffer
for row, ts := range t.Mapping {
_, _ = w.WriteString(strconv.Itoa(row))
_, _ = w.WriteString(":")
_, _ = w.WriteString(ts.ToString())
_, _ = w.WriteString(", ")
}
return w.String()
}
type TransDelsForBlks struct {
sync.RWMutex
dels map[types.Blockid]*TransDels
}
func NewTransDelsForBlks() *TransDelsForBlks {
return &TransDelsForBlks{
dels: make(map[types.Blockid]*TransDels),
}
}
func (t *TransDelsForBlks) GetDelsForBlk(blkid types.Blockid) *TransDels {
t.RLock()
defer t.RUnlock()
return t.dels[blkid]
}
func (t *TransDelsForBlks) SetDelsForBlk(blkid types.Blockid, dels *TransDels) {
t.Lock()
defer t.Unlock()
t.dels[blkid] = dels
}
func (t *TransDelsForBlks) Prune(gap time.Duration) {
t.Lock()
defer t.Unlock()
for blkid, del := range t.dels {
if time.Since(del.bornTime) > gap {
delete(t.dels, blkid)
}
}
}