go-common/app/interface/main/creative/dao/whitelist/dao.go

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2019-04-22 10:49:16 +00:00
package whitelist
import (
"context"
"go-common/app/interface/main/creative/conf"
"go-common/app/interface/main/creative/model/archive"
"go-common/library/database/sql"
"go-common/library/log"
)
var (
_getAllSQL = "select mid, type from whitelist where state=1 order by type asc, ctime desc"
)
// Dao define
type Dao struct {
db *sql.DB
getAllStmt *sql.Stmt
}
// New init dao
func New(c *conf.Config) (d *Dao) {
d = &Dao{
db: sql.NewMySQL(c.DB.Creative),
}
d.getAllStmt = d.db.Prepared(_getAllSQL)
return
}
// Ping db
func (d *Dao) Ping(c context.Context) (err error) {
return d.db.Ping(c)
}
// Close db
func (d *Dao) Close() (err error) {
return d.db.Close()
}
// List fn
func (d *Dao) List(c context.Context) (wls []*archive.WhiteList, err error) {
rows, err := d.getAllStmt.Query(c)
if err != nil {
log.Error("mysqlDB.Query error(%v)", err)
return
}
defer rows.Close()
for rows.Next() {
wl := &archive.WhiteList{}
if err = rows.Scan(&wl.Mid, &wl.Tp); err != nil {
log.Error("row.Scan error(%v)", err)
return
}
wls = append(wls, wl)
}
return
}