51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
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package archive
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import (
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"context"
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"go-common/app/job/main/videoup/model/archive"
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"go-common/library/database/sql"
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"go-common/library/log"
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)
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const (
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_dbusSQL = "SELECT id,gp,topic,part,last_offset FROM archive_databus WHERE gp=? AND topic=? AND part=?"
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_inDBusSQL = "INSERT INTO archive_databus(gp,topic,part,last_offset) VALUES(?,?,?,?)"
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_upDBusSQL = "UPDATE archive_databus SET last_offset=? WHERE gp=? AND topic=? AND part=?"
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)
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// DBus get DBus by group+topic+partition
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func (d *Dao) DBus(c context.Context, group, topic string, partition int32) (dbus *archive.Databus, err error) {
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row := d.db.QueryRow(c, _dbusSQL, group, topic, partition)
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dbus = &archive.Databus{}
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if err = row.Scan(&dbus.ID, &dbus.Group, &dbus.Topic, &dbus.Partition, &dbus.Offset); err != nil {
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if err == sql.ErrNoRows {
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dbus = nil
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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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// AddDBus add databus
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func (d *Dao) AddDBus(c context.Context, group, topic string, partition int32, offset int64) (rows int64, err error) {
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res, err := d.db.Exec(c, _inDBusSQL, group, topic, partition, offset)
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if err != nil {
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log.Error("d.db.Exec(%s, %s, %d, %d) error(%v)", group, topic, partition, offset, err)
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return
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}
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return res.RowsAffected()
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}
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// UpDBus update databus offset
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func (d *Dao) UpDBus(c context.Context, group, topic string, partition int32, offset int64) (rows int64, err error) {
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res, err := d.db.Exec(c, _upDBusSQL, offset, group, topic, partition)
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if err != nil {
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log.Error("d.db.Exec(%d, %s, %s, %d) error(%v)", offset, group, topic, partition, err)
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return
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}
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return res.RowsAffected()
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}
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