/
xbase.go
126 lines (105 loc) · 2.28 KB
/
xbase.go
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package xdominion
import (
"context"
"database/sql"
"fmt"
"log"
"os"
_ "github.com/go-sql-driver/mysql"
_ "github.com/lib/pq"
)
/* IMPORTANT NOTE:
Because of import structure for GO, you need to import the database drivers you will need to connect to.
As of 2018/12/01, only postgres and mysql are supported for now
*/
const (
// The distinct supported databases
DB_Postgres = "postgres"
DB_MySQL = "mysql"
DB_Localhost = "localhost"
)
type XBase struct {
DB *sql.DB
Logged bool
DBType string
Username string
Password string
Database string
Host string
SSL bool
Logger *log.Logger
}
func (b *XBase) Logon() {
if b.Logged {
return
}
b.Logged = true
if b.Logger == nil {
b.Logger = log.New(os.Stderr, "XDominion: ", log.LstdFlags)
}
var err error
var src string
switch b.DBType {
case DB_Postgres:
src = b.DBType + "://" + b.Username + ":" + b.Password + "@" + b.Host + "/" + b.Database
if !b.SSL {
src += "?sslmode=disable"
}
case DB_MySQL:
if b.Host == DB_Localhost {
src = b.Username + ":" + b.Password + "@" + "/" + b.Database
} else {
src = b.Username + ":" + b.Password + "@" + b.Host + "/" + b.Database
}
}
if DEBUG {
fmt.Println("DB Source:", src)
}
b.DB, err = sql.Open(b.DBType, src)
if err != nil {
log.Panic(err)
return
}
if err = b.DB.Ping(); err != nil {
log.Panic(err)
}
}
func (b *XBase) Logoff() {
}
func (b *XBase) Exec(query string, args ...interface{}) (*sql.Rows, error) {
cursor, err := b.DB.Query(query, args...)
return cursor, err
}
func (b *XBase) NewXCursor() *XCursor {
c := &XCursor{Base: b}
return c
}
type XTransaction struct {
DB *XBase
TX *sql.Tx
}
func (b *XBase) BeginTransaction() (*XTransaction, error) {
ctx := context.Background()
tx, err := b.DB.BeginTx(ctx, &sql.TxOptions{Isolation: sql.LevelSerializable})
if err != nil {
return nil, err
}
return &XTransaction{
DB: b,
TX: tx,
}, nil
}
func (t *XTransaction) Exec(query string, args ...interface{}) (*sql.Rows, error) {
cursor, err := t.TX.Query(query, args...)
return cursor, err
}
func (t *XTransaction) NewXCursor() *XCursor {
c := &XCursor{Transaction: t}
return c
}
func (t *XTransaction) Commit() error {
return t.TX.Commit()
}
func (t *XTransaction) Rollback() error {
return t.TX.Rollback()
}