message: consistant query formatting
diff: @@ -2865,7 +2865,7 @@ func (r *ClickHouseReader) GetLogs(ctx context.Context, params *model.LogsFilter
  query := fmt.Sprintf("%s from %s.%s", constants.LogsSQLSelect, r.logsDB, r.logsTable)
  if filterSql != "" {
  - query += fmt.Sprintf(" where %s", filterSql)
  + query = fmt.Sprintf("%s where %s", query, filterSql)
  }
  query = fmt.Sprintf("%s order by %s %s limit %d", query, params.OrderBy, params.Order, params.Limit)
  @@ -2918,10 +2918,10 @@ func (r *ClickHouseReader) TailLogs(ctx context.Context, client *model.LogsTailC
  // get the new 100 logs as anything more older won't make sense
  tmpQuery := fmt.Sprintf("%s where timestamp >='%d'", query, tsStart)
  if filterSql != "" {
  - tmpQuery += fmt.Sprintf(" and %s", filterSql)
  + tmpQuery = fmt.Sprintf("%s and %s", tmpQuery, filterSql)
  }
  if idStart != "" {
  - tmpQuery += fmt.Sprintf(" and id > '%s'", idStart)
  + tmpQuery = fmt.Sprintf("%s and id > '%s'", tmpQuery, idStart)
  }
  tmpQuery = fmt.Sprintf("%s order by timestamp desc, id desc limit 100", tmpQuery)
  zap.S().Debug(tmpQuery)
  @@ -2932,8 +2932,7 @@ func (r *ClickHouseReader) TailLogs(ctx context.Context, client *model.LogsTailC
  client.Error <- err
  return
  }
  - len := len(response)
  - for i := len - 1; i >= 0; i-- {
  + for i := len(response) - 1; i >= 0; i-- {
  select {
  case <-ctx.Done():
  done := true
  @@ -2986,12 +2985,12 @@ func (r *ClickHouseReader) AggregateLogs(ctx context.Context, params *model.Logs
  params.StepSeconds/60, function, r.logsDB, r.logsTable, params.TimestampStart, params.TimestampEnd)
  }
  if filterSql != "" {
  - query += fmt.Sprintf(" AND %s ", filterSql)
  + query = fmt.Sprintf("%s AND %s ", query, filterSql)
  }
  if params.GroupBy != "" {
  - query += fmt.Sprintf("GROUP BY time, toString(%s) as groupBy ORDER BY time", params.GroupBy)
  + query = fmt.Sprintf("%s GROUP BY time, toString(%s) as groupBy ORDER BY time", query, params.GroupBy)
  } else {
  - query += "GROUP BY time ORDER BY time"
  + query = fmt.Sprintf("%s GROUP BY time ORDER BY time", query)
  }
  zap.S().Debug(query)
  