xapian-core
1.4.26
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#include <localsubmatch.h>
Public Member Functions | |
LocalSubMatch (const Xapian::Database::Internal *db_, const Xapian::Query &query_, Xapian::termcount qlen_, const Xapian::RSet &rset_, const Xapian::Weight *wt_factory_, Xapian::doccount shard_index_) | |
Constructor. More... | |
bool | prepare_match (bool nowait, Xapian::Weight::Internal &total_stats) |
Fetch and collate statistics. More... | |
void | start_match (Xapian::doccount first, Xapian::doccount maxitems, Xapian::doccount check_at_least, Xapian::Weight::Internal &total_stats) |
Start the match. More... | |
PostList * | get_postlist (MultiMatch *matcher, Xapian::termcount *total_subqs_ptr, Xapian::Weight::Internal &total_stats) |
Get PostList. More... | |
PostList * | make_synonym_postlist (PostList *or_pl, MultiMatch *matcher, double factor, bool wdf_disjoint) |
Convert a postlist into a synonym postlist. More... | |
LeafPostList * | open_post_list (const std::string &term, Xapian::termcount wqf, double factor, bool need_positions, bool in_synonym, QueryOptimiser *qopt, bool lazy_weight) |
Public Member Functions inherited from SubMatch | |
virtual | ~SubMatch () |
Virtual destructor. More... | |
Public Member Functions inherited from Xapian::Internal::intrusive_base | |
intrusive_base () | |
Construct with no references. More... | |
Private Member Functions | |
void | operator= (const LocalSubMatch &) |
Don't allow assignment. More... | |
LocalSubMatch (const LocalSubMatch &) | |
Don't allow copying. More... | |
Private Attributes | |
Xapian::Weight::Internal * | stats |
The statistics for the collection. More... | |
Xapian::Query | query |
The query. More... | |
Xapian::termcount | qlen |
The query length (used by some weighting schemes). More... | |
const Xapian::Database::Internal * | db |
The (sub-)Database we're searching. More... | |
Xapian::RSet | rset |
The RSet (used to calculate R and r). More... | |
const Xapian::Weight * | wt_factory |
Weight object (used as a factory by calling create on it). More... | |
Xapian::doccount | shard_index |
0-based index for the subdatabase. More... | |
Additional Inherited Members | |
Public Attributes inherited from Xapian::Internal::intrusive_base | |
unsigned | _refs |
Reference count. More... | |
Definition at line 35 of file localsubmatch.h.
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private |
Don't allow copying.
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inline |
Constructor.
Definition at line 68 of file localsubmatch.h.
References get_postlist(), LOGCALL_CTOR, make_synonym_postlist(), open_post_list(), prepare_match(), and start_match().
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virtual |
Get PostList.
Implements SubMatch.
Definition at line 190 of file localsubmatch.cc.
References Xapian::Query::empty(), QueryOptimiser::get_total_subqs(), Xapian::Query::internal, LOGCALL, query(), and RETURN.
Referenced by LocalSubMatch().
PostList * LocalSubMatch::make_synonym_postlist | ( | PostList * | or_pl, |
MultiMatch * | matcher, | ||
double | factor, | ||
bool | wdf_disjoint | ||
) |
Convert a postlist into a synonym postlist.
Definition at line 223 of file localsubmatch.cc.
References Xapian::PostingIterator::Internal::get_termfreq_est(), Xapian::PostingIterator::Internal::get_termfreq_est_using_stats(), Xapian::PostingIterator::Internal::get_termfreq_max(), LOGCALL, LOGVALUE, rare, RETURN, and usual.
Referenced by LocalSubMatch(), and QueryOptimiser::make_synonym_postlist().
LeafPostList * LocalSubMatch::open_post_list | ( | const std::string & | term, |
Xapian::termcount | wqf, | ||
double | factor, | ||
bool | need_positions, | ||
bool | in_synonym, | ||
QueryOptimiser * | qopt, | ||
bool | lazy_weight | ||
) |
Definition at line 255 of file localsubmatch.cc.
References Xapian::Weight::clone(), QueryOptimiser::db_size, QueryOptimiser::get_hint_postlist(), Xapian::Weight::get_maxpart(), LeafPostList::get_termfreq(), Xapian::Weight::init_(), LOGCALL, LeafPostList::open_nearby_postlist(), RETURN, QueryOptimiser::set_hint_postlist(), LeafPostList::set_term(), and LeafPostList::set_termweight().
Referenced by LocalSubMatch(), QueryOptimiser::open_lazy_post_list(), and QueryOptimiser::open_post_list().
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private |
Don't allow assignment.
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virtual |
Fetch and collate statistics.
Implements SubMatch.
Definition at line 165 of file localsubmatch.cc.
References Xapian::Weight::Internal::accumulate_stats(), Assert, LOGCALL, and RETURN.
Referenced by LocalSubMatch().
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virtual |
Start the match.
Implements SubMatch.
Definition at line 176 of file localsubmatch.cc.
References LOGCALL_VOID.
Referenced by LocalSubMatch().
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private |
The (sub-)Database we're searching.
Definition at line 52 of file localsubmatch.h.
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The query length (used by some weighting schemes).
Definition at line 49 of file localsubmatch.h.
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The query.
Definition at line 46 of file localsubmatch.h.
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The RSet (used to calculate R and r).
R and r are used in probabilistic weighting formulae.
Definition at line 58 of file localsubmatch.h.
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private |
0-based index for the subdatabase.
Definition at line 64 of file localsubmatch.h.
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private |
The statistics for the collection.
Definition at line 43 of file localsubmatch.h.
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private |
Weight object (used as a factory by calling create on it).
Definition at line 61 of file localsubmatch.h.