35 LOGCALL(MATCH,
PostList *,
"AndMaybePostList::process_next_or_skip_to", w_min | ret);
87 LOGLINE(MATCH,
"AND MAYBE -> AND");
103 LOGLINE(MATCH,
"AND MAYBE -> AND (in skip_to)");
145 LOGCALL(MATCH,
TermFreqs,
"AndMaybePostList::get_termfreq_est_using_stats", stats);
162 LOGCALL(MATCH,
double,
"AndMaybePostList::get_weight", NO_ARGS);
172 LOGCALL(MATCH,
double,
"AndMaybePostList::get_maxweight", NO_ARGS);
179 LOGCALL(MATCH,
double,
"AndMaybePostList::recalc_maxweight", NO_ARGS);
188 LOGCALL(MATCH,
bool,
"AndMaybePostList::at_end", NO_ARGS);
double recalc_maxweight()
Recalculate the upper bound on what get_weight() can return.
MultiMatch * matcher
The object which is using this postlist to perform a match.
Abstract base class for postlists.
Merged postlist: items from one list, weights from both.
virtual Xapian::docid get_docid() const =0
Return the current docid.
PostList * l
Left sub-postlist.
virtual void gather_position_lists(OrPositionList *orposlist)
Gather PositionList* objects for a subtree.
virtual Xapian::termcount get_unique_terms() const
Return the number of unique terms in the current document.
virtual Internal * skip_to(Xapian::docid did, double w_min)=0
Skip forward to the specified docid.
virtual double recalc_maxweight()=0
Recalculate the upper bound on what get_weight() can return.
Xapian::doccount get_termfreq_min() const
Get a lower bound on the number of documents indexed by this term.
PostList * sync_rhs(double w_min)
Synchronise the RHS to the LHS after construction.
virtual Xapian::termcount get_unique_terms() const =0
Return the number of unique terms in the current document.
virtual Xapian::termcount get_doclength() const
Return the document length of the document the current term comes from.
bool skip_to_handling_prune(PostList *&pl, Xapian::docid did, double w_min, MultiMatch *matcher)
void handle_prune(PostList *&kid, PostList *ret)
Utility method, to call recalc_maxweight() and do the pruning if a next() or skip_to() returns non-NU...
void gather_position_lists(OrPositionList *orposlist)
Gather PositionList* objects for a subtree.
unsigned XAPIAN_TERMCOUNT_BASE_TYPE termcount
A counts of terms.
PostList * skip_to(Xapian::docid did, double w_min)
Skip forward to the specified docid.
std::string get_description() const
Return a string description of this object.
virtual TermFreqs get_termfreq_est_using_stats(const Xapian::Weight::Internal &stats) const
Get an estimate for the termfreq and reltermfreq, given the stats.
virtual Xapian::doccount get_termfreq_max() const =0
Get an upper bound on the number of documents indexed by this term.
virtual Xapian::doccount get_termfreq_est() const =0
Get an estimate of the number of documents indexed by this term.
Xapian::termcount get_wdf() const
get_wdf() for ANDMAYBE postlists returns the sum of the wdfs of the sub postlists which are at the cu...
virtual Xapian::doccount get_termfreq_min() const =0
Get a lower bound on the number of documents indexed by this term.
Class to hold statistics for a given collection.
Internal * next()
Advance the current position to the next document in the postlist.
PostList * process_next_or_skip_to(double w_min, PostList *ret)
bool check_handling_prune(PostList *&pl, Xapian::docid did, double w_min, MultiMatch *matcher, bool &valid)
double get_weight() const
Return the weight contribution for the current position.
TermFreqs get_termfreq_est_using_stats(const Xapian::Weight::Internal &stats) const
Get an estimate for the termfreq and reltermfreq, given the stats.
Xapian::doccount get_termfreq_est() const
Get an estimate of the number of documents indexed by this term.
double get_maxweight() const
Return an upper bound on what get_weight() can return.
The frequencies for a term.
virtual Internal * next(double w_min)=0
Advance the current position to the next document in the postlist.
virtual Xapian::termcount get_doclength() const =0
Return the length of current document.
virtual std::string get_description() const =0
Return a string description of this object.
unsigned XAPIAN_DOCID_BASE_TYPE doccount
A count of documents.
PostList * r
Right sub-postlist.
Xapian::termcount count_matching_subqs() const
Count the number of leaf subqueries which match at the current position.
virtual Xapian::termcount count_matching_subqs() const
Count the number of leaf subqueries which match at the current position.
Xapian::docid get_docid() const
Return the current docid.
virtual bool at_end() const =0
Return true if the current position is past the last entry in this list.
Various assertion macros.
unsigned XAPIAN_DOCID_BASE_TYPE docid
A unique identifier for a document.
bool at_end() const
Return true if the current position is past the last entry in this list.
virtual Xapian::termcount get_wdf() const
Return the wdf for the document at the current position.
virtual double get_weight() const =0
Return the weight contribution for the current position.
Xapian::doccount get_termfreq_max() const
Get an upper bound on the number of documents indexed by this term.
#define LOGCALL(CATEGORY, TYPE, FUNC, PARAMS)