go-common/app/job/main/dm2/dao/transfer.go
2019-04-22 18:49:16 +08:00

70 lines
2.1 KiB
Go

package dao
import (
"context"
"fmt"
"go-common/app/job/main/dm2/model"
"go-common/library/log"
)
const (
_selectTransfer = "SELECT id,from_cid,to_cid,mid,offset,state,ctime FROM dm_transfer_job WHERE state=? limit 1"
_updateTransfer = "UPDATE dm_transfer_job SET state=?,dmid=? WHERE id=?"
_idxsSQL = "SELECT id,type,oid,mid,progress,state,pool,attr,ctime,mtime FROM dm_index_%03d FORCE INDEX(ix_oid_state) WHERE type=? AND oid=? AND id >? ORDER BY id limit ?"
)
// Transfers get all transfer job
func (d *Dao) Transfers(c context.Context, state int8) (trans []*model.Transfer, err error) {
rows, err := d.biliDMWriter.Query(c, _selectTransfer, model.StatInit)
if err != nil {
log.Error("d.biliDMWriter.Query(sql:%s) error(%v)", _selectTransfer, err)
return
}
defer rows.Close()
for rows.Next() {
t := &model.Transfer{}
if err = rows.Scan(&t.ID, &t.FromCid, &t.ToCid, &t.Mid, &t.Offset, &t.State, &t.Ctime); err != nil {
log.Error("rows.Scan() error(%v)", err)
return
}
trans = append(trans, t)
}
return
}
// UpdateTransfer change transfer job state.
func (d *Dao) UpdateTransfer(c context.Context, t *model.Transfer) (affect int64, err error) {
row, err := d.biliDMWriter.Exec(c, _updateTransfer, t.State, t.Dmid, t.ID)
if err != nil {
log.Error("d.biliDMWriter.Exec(%+v) error(%v)", t, err)
return
}
return row.RowsAffected()
}
// DMIndexs get dm indexs info
func (d *Dao) DMIndexs(c context.Context, tp int32, oid, minID, limit int64) (idxMap map[int64]*model.DM, dmids, special []int64, err error) {
query := fmt.Sprintf(_idxsSQL, d.hitIndex(oid))
rows, err := d.dmReader.Query(c, query, tp, oid, minID, limit)
if err != nil {
log.Error("db.Query() error(%v)", err)
return
}
defer rows.Close()
idxMap = make(map[int64]*model.DM)
for rows.Next() {
idx := new(model.DM)
if err = rows.Scan(&idx.ID, &idx.Type, &idx.Oid, &idx.Mid, &idx.Progress, &idx.State, &idx.Pool, &idx.Attr, &idx.Ctime, &idx.Mtime); err != nil {
log.Error("row.Scan() error(%v)", err)
return
}
idxMap[idx.ID] = idx
dmids = append(dmids, idx.ID)
if idx.Pool == model.PoolSpecial {
special = append(special, idx.ID)
}
}
return
}