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72 lines
2.1 KiB
72 lines
2.1 KiB
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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