func (self *ShardData) ShouldAggregateLocally(querySpec *parser.QuerySpec) bool {
f := querySpec.GetFromClause()
if f != nil && (f.Type == parser.FromClauseInnerJoin || f.Type == parser.FromClauseMerge) {
return false
}
if self.durationIsSplit && querySpec.ReadsFromMultipleSeries() {
return false
}
groupByInterval := querySpec.GetGroupByInterval()
if groupByInterval == nil {
if querySpec.HasAggregates() {
return false
}
return true
}
return self.shardDuration%*groupByInterval == 0
}