44 lines
911 B
Go
44 lines
911 B
Go
|
package postgresql
|
||
|
|
|
||
|
|
import (
|
||
|
|
"database/sql"
|
||
|
|
"fmt"
|
||
|
|
_ "github.com/lib/pq" //PostgreSQL db
|
||
|
|
)
|
||
|
|
|
||
|
|
// Config - provider config
|
||
|
|
type Config struct {
|
||
|
|
Host string
|
||
|
|
Port int
|
||
|
|
Username string
|
||
|
|
Password string
|
||
|
|
}
|
||
|
|
|
||
|
|
// Client struct holding connection string
|
||
|
|
type Client struct {
|
||
|
|
username string
|
||
|
|
connStr string
|
||
|
|
}
|
||
|
|
|
||
|
|
//NewClient returns new client config
|
||
|
|
func (c *Config) NewClient() (*Client, error) {
|
||
|
|
connStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres", c.Host, c.Port, c.Username, c.Password)
|
||
|
|
|
||
|
|
client := Client{
|
||
|
|
connStr: connStr,
|
||
|
|
username: c.Username,
|
||
|
|
}
|
||
|
|
|
||
|
|
return &client, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
//Connect will manually connect/diconnect to prevent a large number or db connections being made
|
||
|
|
func (c *Client) Connect() (*sql.DB, error) {
|
||
|
|
db, err := sql.Open("postgres", c.connStr)
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("Error connecting to postgresql server: %s", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return db, nil
|
||
|
|
}
|