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
|
package stats
import (
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
type DatabaseConnection struct {
db *sql.DB
}
func NewDatabaseConnection(driver string, source string) (db *DatabaseConnection, err error) {
d, err := sql.Open("mysql", "kochan:kochan@/stats")
if err != nil {
return
}
db = &DatabaseConnection{db: d}
return
}
func (d *DatabaseConnection) Query(query string, args ...any) ([]map[string]string, error) {
data := []map[string]string{}
rows, err := d.db.Query(query, args...)
if err != nil {
return data, err
}
defer rows.Close()
columns, err := rows.Columns()
if err != nil {
return data, err
}
for rows.Next() {
vals := make([]any, len(columns))
for i := range vals {
vals[i] = new([]byte)
}
rows.Scan(vals...)
record := make(map[string]string)
for i, col := range columns {
b := *vals[i].(*[]byte)
record[col] = string(b)
}
data = append(data, record)
}
return data, nil
}
func (d *DatabaseConnection) Close() error {
return d.db.Close()
}
|
