Xapian::Internal::OrContext Class Reference

Inheritance diagram for Xapian::Internal::OrContext:

Collaboration diagram for Xapian::Internal::OrContext:

Public Member Functions
	OrContext (QueryOptimiser *qopt_, size_t reserve)
void	estimate_termfreqs (TermFreqs *termfreqs)
void	select_elite_set (size_t set_size, size_t out_of)
	Select the best set_size postlists from the last out_of added. More...
PostListAndEstimate	postlist (TermFreqs *termfreqs, bool bool_or=false)
PostListAndEstimate	postlist_max ()
Public Member Functions inherited from Xapian::Internal::Context
	Context (QueryOptimiser *qopt_, size_t reserve)
	~Context ()
Xapian::docid	get_first () const
Xapian::docid	get_last () const
void	add_termfreqs (TermFreqs *termfreqs)
void	add_postlist (PostList *pl, EstimateOp *estimate, TermFreqs *termfreqs)
void	add_postlist (PostListAndEstimate p, TermFreqs *termfreqs)
bool	empty () const
Xapian::termcount	size () const
void	shrink (size_t new_size)
void	expand_wildcard (const QueryWildcard *query, double factor, TermFreqs *termfreqs)
	Expand a wildcard query. More...
void	expand_edit_distance (const QueryEditDistance *query, double factor, TermFreqs *termfreqs)
	Expand an edit distance query. More...

Additional Inherited Members
Protected Attributes inherited from Xapian::Internal::Context
QueryOptimiser *	qopt
vector< PostList * >	pls
VecUniquePtr< EstimateOp >	estimates
vector< TermFreqs >	termfreqs_list
Xapian::docid	first = Xapian::docid(-1)
	Lower bound on matching docid range. More...
Xapian::docid	last = 0
	Upper bound on matching docid range. More...

Detailed Description

Definition at line 391 of file queryinternal.cc.

Constructor & Destructor Documentation

OrContext()

Xapian::Internal::OrContext::OrContext ( QueryOptimiser *  qopt_, size_t  reserve  )

inline

Definition at line 393 of file queryinternal.cc.

Member Function Documentation

estimate_termfreqs()

void Xapian::Internal::OrContext::estimate_termfreqs

(

TermFreqs *

termfreqs

)

Definition at line 407 of file queryinternal.cc.

References Assert, Xapian::Internal::TermFreqs::collfreq, Xapian::Internal::TermFreqs::reltermfreq, Xapian::Internal::TermFreqs::termfreq, and usual.

postlist()

PostListAndEstimate Xapian::Internal::OrContext::postlist	(	TermFreqs *	termfreqs,
		bool	bool_or = false
	)

Definition at line 464 of file queryinternal.cc.

References Heap::make(), EstimateOp::OR, Heap::pop(), and Heap::replace().

Referenced by Xapian::Internal::QueryBranch::do_max(), Xapian::Internal::QueryBranch::do_synonym(), Xapian::Internal::QueryOr::postlist(), Xapian::Internal::QueryEliteSet::postlist(), Xapian::Internal::QueryWildcard::postlist(), and Xapian::Internal::QueryEditDistance::postlist().

postlist_max()

PostListAndEstimate Xapian::Internal::OrContext::postlist_max

(

)

Definition at line 527 of file queryinternal.cc.

References EstimateOp::OR, and Heap::sort().

Referenced by Xapian::Internal::QueryBranch::do_max(), Xapian::Internal::QueryWildcard::postlist(), and Xapian::Internal::QueryEditDistance::postlist().

select_elite_set()

void Xapian::Internal::OrContext::select_elite_set	(	size_t	set_size,
		size_t	out_of
	)

Select the best set_size postlists from the last out_of added.

Definition at line 456 of file queryinternal.cc.

Referenced by Xapian::Internal::QueryBranch::do_or_like().

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

• api/queryinternal.cc