#include <localsubmatch.h>

Inheritance diagram for LocalSubMatch:

Collaboration diagram for LocalSubMatch:

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...

Detailed Description

Definition at line 35 of file localsubmatch.h.

Constructor & Destructor Documentation

◆ LocalSubMatch() [1/2]

LocalSubMatch::LocalSubMatch ( const LocalSubMatch & )

private

Don't allow copying.

◆ LocalSubMatch() [2/2]

LocalSubMatch::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_
	)

inline

Constructor.

Definition at line 68 of file localsubmatch.h.

References LOGCALL_CTOR.

Member Function Documentation

◆ get_postlist()

PostList * LocalSubMatch::get_postlist	(	MultiMatch *	matcher,
		Xapian::termcount *	total_subqs_ptr,
		Xapian::Weight::Internal &	total_stats
	)

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.

◆ make_synonym_postlist()

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 TermFreqs::collfreq, Xapian::PostingIterator::Internal::get_termfreq_est(), Xapian::PostingIterator::Internal::get_termfreq_est_using_stats(), Xapian::PostingIterator::Internal::get_termfreq_max(), LOGCALL, LOGVALUE, rare, TermFreqs::reltermfreq, RETURN, TermFreqs::termfreq, and usual.

Referenced by QueryOptimiser::make_synonym_postlist().

◆ open_post_list()

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 QueryOptimiser::open_lazy_post_list(), and QueryOptimiser::open_post_list().

◆ operator=()

void LocalSubMatch::operator= ( const LocalSubMatch & )

private

Don't allow assignment.

◆ prepare_match()

bool LocalSubMatch::prepare_match	(	bool	nowait,
		Xapian::Weight::Internal &	total_stats
	)

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.

◆ start_match()

void LocalSubMatch::start_match	(	Xapian::doccount	first,
		Xapian::doccount	maxitems,
		Xapian::doccount	check_at_least,
		Xapian::Weight::Internal &	total_stats
	)

virtual

Start the match.

Implements SubMatch.

Definition at line 176 of file localsubmatch.cc.

References LOGCALL_VOID.

Member Data Documentation

◆ db

const Xapian::Database::Internal* LocalSubMatch::db

private

The (sub-)Database we're searching.

Definition at line 52 of file localsubmatch.h.

◆ qlen

Xapian::termcount LocalSubMatch::qlen

private

The query length (used by some weighting schemes).

Definition at line 49 of file localsubmatch.h.

◆ query

Xapian::Query LocalSubMatch::query

private

The query.

Definition at line 46 of file localsubmatch.h.

◆ rset

Xapian::RSet LocalSubMatch::rset

private

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.

◆ shard_index

Xapian::doccount LocalSubMatch::shard_index

private

0-based index for the subdatabase.

Definition at line 64 of file localsubmatch.h.

◆ stats

Xapian::Weight::Internal* LocalSubMatch::stats

private

The statistics for the collection.

Definition at line 43 of file localsubmatch.h.

◆ wt_factory

const Xapian::Weight* LocalSubMatch::wt_factory

private

Weight object (used as a factory by calling create on it).

Definition at line 61 of file localsubmatch.h.

The documentation for this class was generated from the following files:

matcher/localsubmatch.h
matcher/localsubmatch.cc

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ LocalSubMatch() [1/2]

◆ LocalSubMatch() [2/2]

Member Function Documentation

◆ get_postlist()

◆ make_synonym_postlist()

◆ open_post_list()

◆ operator=()

◆ prepare_match()

◆ start_match()

Member Data Documentation

◆ db

◆ qlen

◆ query

◆ rset

◆ shard_index

◆ stats

◆ wt_factory