73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
package dao
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import (
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"context"
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"database/sql"
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"time"
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"go-common/app/service/main/seq-server/model"
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"go-common/library/log"
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)
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const (
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_allSQL = "SELECT id,max_seq,step,token,perch,ctime,mtime FROM business"
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_maxSeqSQL = "SELECT max_seq FROM business WHERE id=?"
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_upMaxSeqSQL = "UPDATE business SET max_seq=? WHERE id=? AND max_seq=?"
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_upMaxSeqTokenSQL = "UPDATE business SET max_seq=?,step=? WHERE id=? AND token=?"
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)
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// All get all seq
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func (d *Dao) All(c context.Context) (bs map[int64]*model.Business, err error) {
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rows, err := d.db.Query(c, _allSQL)
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if err != nil {
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log.Error("d.db.Query(%s) error(%v)", _allSQL, err)
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return
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}
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bs = make(map[int64]*model.Business)
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defer rows.Close()
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for rows.Next() {
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b := new(model.Business)
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if err = rows.Scan(&b.ID, &b.MaxSeq, &b.Step, &b.Token, &b.Perch, &b.CTime, &b.MTime); err != nil {
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log.Error("rows.Scan error(%v)")
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return
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}
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b.BenchTime = b.CTime.Time().UnixNano() / int64(time.Millisecond)
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b.LastTimestamp = time.Now().UnixNano() / int64(time.Millisecond)
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bs[b.ID] = b
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}
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return
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}
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// MaxSeq return current max seq.
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func (d *Dao) MaxSeq(c context.Context, businessID int64) (maxSeq int64, err error) {
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row := d.db.QueryRow(c, _maxSeqSQL, businessID)
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if err = row.Scan(&maxSeq); err != nil {
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if err == sql.ErrNoRows {
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err = nil
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} else {
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log.Error("row.Scan error(%v)", err)
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}
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}
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return
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}
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// UpMaxSeq update max seq by businessID.
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func (d *Dao) UpMaxSeq(c context.Context, businessID, maxSeq, lastSeq int64) (rows int64, err error) {
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res, err := d.db.Exec(c, _upMaxSeqSQL, maxSeq, businessID, lastSeq)
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if err != nil {
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log.Error("d.db.Exec(%s, %d, %d) error(%v)", _upMaxSeqSQL, maxSeq, businessID)
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return
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}
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return res.RowsAffected()
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}
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// UpMaxSeqToken update max seq by businessID and token.
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func (d *Dao) UpMaxSeqToken(c context.Context, businessID, maxSeq, step int64, token string) (rows int64, err error) {
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res, err := d.db.Exec(c, _upMaxSeqTokenSQL, maxSeq, step, businessID, token)
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if err != nil {
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log.Error("d.db.Exec(%s, %d, %d) error(%v)", _upMaxSeqSQL, maxSeq, businessID)
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return
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}
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return res.RowsAffected()
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}
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