23 #ifndef OM_HGUARD_MULTI_POSTLIST_H 24 #define OM_HGUARD_MULTI_POSTLIST_H
Xapian::doccount multiplier
Abstract base class for postlists.
Xapian::termcount get_doclength() const
Return the length of current document.
std::string get_description() const
Return a string description of this object.
This class is used to access a database, or a group of databases.
Xapian::doccount get_termfreq_min() const
Get a lower bound on the number of documents indexed by this term.
PositionList * open_position_list() const
Read the position list for the term in the current document and return a pointer to it (not owned by ...
MultiPostList(std::vector< LeafPostList *> &pls, const Xapian::Database &this_db_)
double get_weight() const
Return the weight contribution for the current position.
std::vector< LeafPostList * > postlists
Abstract base class for leaf postlists.
Xapian::docid get_docid() const
Return the current docid.
unsigned XAPIAN_TERMCOUNT_BASE_TYPE termcount
A counts of terms.
bool at_end() const
Return true if the current position is past the last entry in this list.
double get_maxweight() const
Return an upper bound on what get_weight() can return.
Internal * next()
Advance the current position to the next document in the postlist.
PostList * skip_to(Xapian::docid did, double w_min)
Skip forward to the specified docid.
Xapian::doccount get_termfreq_max() const
Get an upper bound on the number of documents indexed by this term.
Xapian::termcount get_wdf() const
Return the wdf for the document at the current position.
Xapian::termcount get_unique_terms() const
Return the number of unique terms in the current document.
double recalc_maxweight()
Recalculate the upper bound on what get_weight() can return.
unsigned XAPIAN_DOCID_BASE_TYPE doccount
A count of documents.
unsigned XAPIAN_DOCID_BASE_TYPE docid
A unique identifier for a document.
Abstract base class for iterating term positions in a document.
Xapian::doccount get_termfreq_est() const
Get an estimate of the number of documents indexed by this term.