func functionRenderer(queryContext *tsdb.QueryContext, part *QueryPart, innerExpr string) string {
for i, v := range part.Params {
if v == "$interval" {
part.Params[i] = tsdb.CalculateInterval(queryContext.TimeRange)
}
}
if innerExpr != "" {
part.Params = append([]string{innerExpr}, part.Params...)
}
params := strings.Join(part.Params, ", ")
return fmt.Sprintf("%s(%s)", part.Type, params)
}
func getDefinedInterval(query *Query, queryContext *tsdb.QueryContext) string {
setInterval := strings.Replace(strings.Replace(query.Interval, "<", "", 1), ">", "", 1)
defaultInterval := tsdb.CalculateInterval(queryContext.TimeRange)
if strings.Contains(query.Interval, ">") {
parsedDefaultInterval, err := time.ParseDuration(defaultInterval)
parsedSetInterval, err2 := time.ParseDuration(setInterval)
if err == nil && err2 == nil && parsedDefaultInterval > parsedSetInterval {
return defaultInterval
}
}
return setInterval
}
func (query *Query) Build(queryContext *tsdb.QueryContext) (string, error) {
if query.UseRawQuery && query.RawQuery != "" {
q := query.RawQuery
q = strings.Replace(q, "$timeFilter", query.renderTimeFilter(queryContext), 1)
q = strings.Replace(q, "$interval", tsdb.CalculateInterval(queryContext.TimeRange), 1)
return q, nil
}
res := query.renderSelectors(queryContext)
res += query.renderMeasurement()
res += query.renderWhereClause()
res += query.renderTimeFilter(queryContext)
res += query.renderGroupBy(queryContext)
return res, nil
}
func getDefinedInterval(query *Query, queryContext *tsdb.QueryContext) (*tsdb.Interval, error) {
defaultInterval := tsdb.CalculateInterval(queryContext.TimeRange)
if query.Interval == "" {
return &defaultInterval, nil
}
setInterval := strings.Replace(strings.Replace(query.Interval, "<", "", 1), ">", "", 1)
parsedSetInterval, err := time.ParseDuration(setInterval)
if err != nil {
return nil, err
}
if strings.Contains(query.Interval, ">") {
if defaultInterval.Value > parsedSetInterval {
return &defaultInterval, nil
}
}
return &tsdb.Interval{Value: parsedSetInterval, Text: setInterval}, nil
}