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
|
package dbutils
import (
"database/sql"
"fmt"
"strings"
)
func TxCommitIfOk(tx *sql.Tx, err error) error {
if err != nil {
if rollbackErr := tx.Rollback(); rollbackErr != nil {
return fmt.Errorf("Failed rolling back transaction with error \"%s\" while handling error %w", rollbackErr, err)
}
return err
} else {
if err = tx.Commit(); err != nil {
return err
}
return nil
}
}
func BuildInIdsSqlAndArgs(field string, ids []int) (string, []interface{}) {
if len(ids) == 0 {
return "0", []interface{}{}
}
sb := new(strings.Builder)
sb.WriteString(field)
sb.WriteString(" IN (?")
for i := 1; i < len(ids); i++ {
sb.WriteString(",?")
}
sb.WriteRune(')')
args := make([]interface{}, 0, len(ids))
for _, id := range ids {
args = append(args, interface{}(id))
}
return sb.String(), args
}
// GetIndexedValues
// func GetIndexedValues(db *sql.DB, m interface{}, query, args ...interface{}) error {
// mv := reflect.ValueOf(m)
// mt := mv.Type()
// if mt.Kind() != reflect.Map {
// panic("GetIndexValue needs a map as argument m")
// }
// if mt.
// rows, err := db.Query(query, args...)
// if err != nil {
// return err
// }
// }
|
