bugfixes more search results and dump restore options

This commit is contained in:
ston1th 2016-11-17 21:21:16 +01:00
commit 3cd460318a
124 changed files with 3915 additions and 9579 deletions

View file

@ -27,39 +27,20 @@ type RegexpSearcher struct {
func NewRegexpSearcher(indexReader index.IndexReader, pattern *regexp.Regexp, field string, boost float64, explain bool) (*RegexpSearcher, error) {
prefixTerm, complete := pattern.LiteralPrefix()
candidateTerms := make([]string, 0)
var candidateTerms []string
if complete {
// there is no pattern
candidateTerms = append(candidateTerms, prefixTerm)
candidateTerms = []string{prefixTerm}
} else {
var fieldDict index.FieldDict
var err error
if len(prefixTerm) > 0 {
fieldDict, err = indexReader.FieldDictPrefix(field, []byte(prefixTerm))
} else {
fieldDict, err = indexReader.FieldDict(field)
}
// enumerate the terms and check against regexp
tfd, err := fieldDict.Next()
for err == nil && tfd != nil {
if pattern.MatchString(tfd.Term) {
candidateTerms = append(candidateTerms, tfd.Term)
}
tfd, err = fieldDict.Next()
}
if err != nil {
return nil, err
}
err = fieldDict.Close()
candidateTerms, err = findRegexpCandidateTerms(indexReader, pattern, field, prefixTerm)
if err != nil {
return nil, err
}
}
// enumerate all the terms in the range
qsearchers := make([]search.Searcher, 0, 25)
qsearchers := make([]search.Searcher, 0, len(candidateTerms))
for _, cterm := range candidateTerms {
qsearcher, err := NewTermSearcher(indexReader, cterm, field, boost, explain)
@ -83,6 +64,36 @@ func NewRegexpSearcher(indexReader index.IndexReader, pattern *regexp.Regexp, fi
searcher: searcher,
}, nil
}
func findRegexpCandidateTerms(indexReader index.IndexReader, pattern *regexp.Regexp, field, prefixTerm string) (rv []string, err error) {
rv = make([]string, 0)
var fieldDict index.FieldDict
if len(prefixTerm) > 0 {
fieldDict, err = indexReader.FieldDictPrefix(field, []byte(prefixTerm))
} else {
fieldDict, err = indexReader.FieldDict(field)
}
defer func() {
if cerr := fieldDict.Close(); cerr != nil && err == nil {
err = cerr
}
}()
// enumerate the terms and check against regexp
tfd, err := fieldDict.Next()
for err == nil && tfd != nil {
if pattern.MatchString(tfd.Term) {
rv = append(rv, tfd.Term)
if tooManyClauses(len(rv)) {
return rv, tooManyClausesErr()
}
}
tfd, err = fieldDict.Next()
}
return rv, err
}
func (s *RegexpSearcher) Count() uint64 {
return s.searcher.Count()
}
@ -95,13 +106,13 @@ func (s *RegexpSearcher) SetQueryNorm(qnorm float64) {
s.searcher.SetQueryNorm(qnorm)
}
func (s *RegexpSearcher) Next() (*search.DocumentMatch, error) {
return s.searcher.Next()
func (s *RegexpSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error) {
return s.searcher.Next(ctx)
}
func (s *RegexpSearcher) Advance(ID string) (*search.DocumentMatch, error) {
return s.searcher.Next()
func (s *RegexpSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error) {
return s.searcher.Advance(ctx, ID)
}
func (s *RegexpSearcher) Close() error {
@ -111,3 +122,7 @@ func (s *RegexpSearcher) Close() error {
func (s *RegexpSearcher) Min() int {
return 0
}
func (s *RegexpSearcher) DocumentMatchPoolSize() int {
return s.searcher.DocumentMatchPoolSize()
}