本文整理匯總了Golang中github.com/blevesearch/bleve/index.IndexReader.DocumentFieldTerms方法的典型用法代碼示例。如果您正苦於以下問題：Golang IndexReader.DocumentFieldTerms方法的具體用法？Golang IndexReader.DocumentFieldTerms怎麽用？Golang IndexReader.DocumentFieldTerms使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/blevesearch/bleve/index.IndexReader的用法示例。
在下文中一共展示了IndexReader.DocumentFieldTerms方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: collectSingle
func (hc *TopNCollector) collectSingle(ctx *search.SearchContext, reader index.IndexReader, d *search.DocumentMatch) error {
// increment total hits
hc.total++
d.HitNumber = hc.total
// update max score
if d.Score > hc.maxScore {
hc.maxScore = d.Score
}
var err error
// see if we need to load ID (at this early stage, for example to sort on it)
if hc.needDocIds {
d.ID, err = reader.ExternalID(d.IndexInternalID)
if err != nil {
return err
}
}
// see if we need to load the stored fields
if len(hc.neededFields) > 0 {
// find out which fields haven't been loaded yet
fieldsToLoad := d.CachedFieldTerms.FieldsNotYetCached(hc.neededFields)
// look them up
fieldTerms, err := reader.DocumentFieldTerms(d.IndexInternalID, fieldsToLoad)
if err != nil {
return err
}
// cache these as well
if d.CachedFieldTerms == nil {
d.CachedFieldTerms = make(map[string][]string)
}
d.CachedFieldTerms.Merge(fieldTerms)
}
// compute this hits sort value
if len(hc.sort) == 1 && hc.cachedScoring[0] {
d.Sort = sortByScoreOpt
} else {
hc.sort.Value(d)
}
// optimization, we track lowest sorting hit already removed from heap
// with this one comparison, we can avoid all heap operations if
// this hit would have been added and then immediately removed
if hc.lowestMatchOutsideResults != nil {
cmp := hc.sort.Compare(hc.cachedScoring, hc.cachedDesc, d, hc.lowestMatchOutsideResults)
if cmp >= 0 {
// this hit can't possibly be in the result set, so avoid heap ops
ctx.DocumentMatchPool.Put(d)
return nil
}
}
hc.store.Add(d)
if hc.store.Len() > hc.size+hc.skip {
removed := hc.store.RemoveLast()
if hc.lowestMatchOutsideResults == nil {
hc.lowestMatchOutsideResults = removed
} else {
cmp := hc.sort.Compare(hc.cachedScoring, hc.cachedDesc, removed, hc.lowestMatchOutsideResults)
if cmp < 0 {
tmp := hc.lowestMatchOutsideResults
hc.lowestMatchOutsideResults = removed
ctx.DocumentMatchPool.Put(tmp)
}
}
}
return nil
}