Create & Init Project...

app/job/main/dm/dao/subject.go

@@ -0,0 +1,29 @@
+package dao
+
+import (
+	"context"
+	"fmt"
+
+	"go-common/app/job/main/dm/model"
+	"go-common/library/database/sql"
+	"go-common/library/log"
+)
+
+const (
+	_selSubSQL = "SELECT id,oid,type,pid,mid,state,attr,acount,count,mcount,move_count,maxlimit,childpool,ctime,mtime FROM dm_subject_%02d WHERE oid=? AND type=?"
+)
+
+// Subject get subject info from db.
+func (d *Dao) Subject(c context.Context, tp int32, oid int64) (s *model.Subject, err error) {
+	s = &model.Subject{}
+	row := d.dmReader.QueryRow(c, fmt.Sprintf(_selSubSQL, d.hitSubject(oid)), oid, tp)
+	if err = row.Scan(&s.ID, &s.Oid, &s.Type, &s.Pid, &s.Mid, &s.State, &s.Attr, &s.ACount, &s.Count, &s.MCount, &s.MoveCnt, &s.Maxlimit, &s.Childpool, &s.CTime, &s.MTime); err != nil {
+		if err == sql.ErrNoRows {
+			s = nil
+			err = nil
+		} else {
+			log.Error("row.Scan() error(%v)", err)
+		}
+	}
+	return
+}