-
Notifications
You must be signed in to change notification settings - Fork 0
/
db.go
77 lines (64 loc) · 1.19 KB
/
db.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
package db
import (
"database/sql"
)
type Conn struct {
DriverName string
Dsn string
DbName string
db *sql.DB
}
func (t *Conn) Connect(driverName, dsn, dbName string) (err error) {
t.DriverName = driverName
t.Dsn = dsn
t.DbName = dbName
t.db, err = sql.Open(t.DriverName, t.Dsn)
if err != nil {
return err
}
err = t.db.Ping()
if err != nil {
return err
}
return nil
}
func (t *Conn) Raw() *sql.DB {
return t.db
}
func (t *Conn) SetOpenConns(openConns, idleConns int) {
if openConns > 0 {
t.db.SetMaxOpenConns(openConns)
}
if idleConns > 0 {
t.db.SetMaxIdleConns(idleConns)
}
}
func (t *Conn) Job() *Job {
job := NewJob(t.db)
return job
}
func (t *Conn) TxJob(isoLevel sql.IsolationLevel, readonly bool) (job *Job, err error) {
job = t.Job()
err = job.BeginTx(isoLevel, readonly)
if err != nil {
return nil, err
}
return job, nil
}
func (t *Conn) TxJobFunc(isoLevel sql.IsolationLevel, readonly bool, fn func(*Job) error) (err error) {
job := NewJob(t.db)
err = job.BeginTx(isoLevel, readonly)
if err != nil {
return err
}
err = fn(job)
if err != nil {
job.Rollback()
return err
}
err = job.Commit()
if err != nil {
return err
}
return nil
}