func (self mysqlStorageProvider) get(conn *autorc.Conn, group string) (*GroupInfo, error) {
errorMsgPrefix := fmt.Sprintf("Occur error when get group info (group=%v)", group)
rawSql := "select `start`, `step`, `count`, `begin`, `end`, `last_modified` from `%s` where `name`='%s'"
sql := fmt.Sprintf(rawSql, TABLE_NAME, group)
row, _, err := conn.QueryFirst(sql)
if err != nil {
errorMsg := fmt.Sprintf("%s (sql=%s): %s", errorMsgPrefix, sql, err)
Logger().Errorln(errorMsg)
return nil, errors.New(errorMsg)
}
if row == nil {
return nil, nil
}
start := row.Uint64(0)
step := uint32(row.Uint(1))
count := row.Uint64(2)
begin := row.Uint64(3)
end := row.Uint64(4)
lastModified := row.Time(5, time.Local)
idRange := IdRange{Begin: begin, End: end}
groupInfo := GroupInfo{Name: group, Start: start, Step: step, Count: count, Range: idRange, LastModified: lastModified}
return &groupInfo, nil
}
