/
conn.go
50 lines (39 loc) · 1.17 KB
/
conn.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
package libdb
import (
"database/sql"
"fmt"
"github.com/Noah-Huppert/gh-gantt/server/config"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
)
// Connect to a PostgreSQL database
func Connect(dbCfg config.DBConfig) (*sql.DB, error) {
// Assemble database connection string
sqlConnStr := fmt.Sprintf("host=%s port=%d dbname=%s user=%s sslmode=disable", dbCfg.DBHost, dbCfg.DBPort,
dbCfg.DBName, dbCfg.DBUsername)
if len(dbCfg.DBPassword) > 0 {
sqlConnStr += fmt.Sprintf("password=%s", dbCfg.DBPassword)
}
// Connect to database
db, err := sql.Open("postgres", sqlConnStr)
if err != nil {
return nil, fmt.Errorf("error connecting to the database: %s", err.Error())
}
// Test connection
err = db.Ping()
if err != nil {
return nil, fmt.Errorf("error testing database connection: %s", err.Error())
}
return db, nil
}
// ConnectX connects to a PostgreSQL database an then makes an sqlx.DB instance
func ConnectX(dbCfg config.DBConfig) (*sqlx.DB, error) {
// Connect
db, err := Connect(dbCfg)
if err != nil {
return nil, fmt.Errorf("error connecting to database: %s", err.Error())
}
// Make sqlx.DB instance
dbx := sqlx.NewDb(db, "postgres")
return dbx, nil
}