-
Notifications
You must be signed in to change notification settings - Fork 2
/
any_table.go
63 lines (53 loc) · 1.54 KB
/
any_table.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
package statedb
import (
"iter"
)
// AnyTable allows any-typed access to a StateDB table. This is intended
// for building generic tooling for accessing the table and should be
// avoided if possible.
type AnyTable struct {
Meta TableMeta
}
func (t AnyTable) All(txn ReadTxn) iter.Seq2[any, Revision] {
indexTxn := txn.getTxn().mustIndexReadTxn(t.Meta, PrimaryIndexPos)
return anySeq(indexTxn.Iterator())
}
func (t AnyTable) UnmarshalYAML(data []byte) (any, error) {
return t.Meta.unmarshalYAML(data)
}
func (t AnyTable) Insert(txn WriteTxn, obj any) (old any, hadOld bool, err error) {
var iobj object
iobj, hadOld, err = txn.getTxn().insert(t.Meta, Revision(0), obj)
if hadOld {
old = iobj.data
}
return
}
func (t AnyTable) Delete(txn WriteTxn, obj any) (old any, hadOld bool, err error) {
var iobj object
iobj, hadOld, err = txn.getTxn().delete(t.Meta, Revision(0), obj)
if hadOld {
old = iobj.data
}
return
}
func (t AnyTable) Prefix(txn ReadTxn, key string) iter.Seq2[any, Revision] {
indexTxn := txn.getTxn().mustIndexReadTxn(t.Meta, PrimaryIndexPos)
iter, _ := indexTxn.Prefix([]byte(key))
return anySeq(iter)
}
func (t AnyTable) LowerBound(txn ReadTxn, key string) iter.Seq2[any, Revision] {
indexTxn := txn.getTxn().mustIndexReadTxn(t.Meta, PrimaryIndexPos)
iter := indexTxn.LowerBound([]byte(key))
return anySeq(iter)
}
func (t AnyTable) TableHeader() []string {
zero := t.Meta.proto()
if tw, ok := zero.(TableWritable); ok {
return tw.TableHeader()
}
return nil
}
func (t AnyTable) Proto() any {
return t.Meta.proto()
}