-
Notifications
You must be signed in to change notification settings - Fork 6
/
target.go
61 lines (56 loc) · 1.27 KB
/
target.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
package target
import (
"context"
"database/sql"
"errors"
"fmt"
)
type Target struct {
ID uint64
Name string
}
func GetOrCreate(ctx context.Context, db *sql.DB, name string) (ret Target, err error) {
ret, err = Get(ctx, db, name)
if err == nil {
return ret, nil
}
if !errors.Is(err, sql.ErrNoRows) {
return ret, err
}
if err := Create(ctx, db, name); err != nil {
return ret, err
}
return Get(ctx, db, name)
}
func Create(ctx context.Context, db *sql.DB, name string) error {
stmt, err := db.PrepareContext(ctx, `
INSERT INTO macrobenchmark_target (name)
VALUES ($1) ON CONFLICT (name) DO NOTHING
`)
if err != nil {
return fmt.Errorf("macrobenchmark_target: %w", err)
}
defer func() {
_ = stmt.Close()
}()
_, err = stmt.ExecContext(ctx, name)
return err
}
func Get(ctx context.Context, db *sql.DB, name string) (ret Target, err error) {
stmt, err := db.PrepareContext(ctx, `
SELECT id, name
FROM macrobenchmark_target
WHERE name = $1
`)
if err != nil {
return ret, fmt.Errorf("macrobenchmark_target: %w", err)
}
defer func() {
_ = stmt.Close()
}()
err = stmt.QueryRowContext(ctx, name).Scan(&ret.ID, &ret.Name)
if err != nil {
return ret, fmt.Errorf("macrobenchmark_target: %w", err)
}
return ret, nil
}