Xapian::Database(3) User Contributed Perl Documentation Xapian::Database(3)NAMESearch::Xapian::Database - Search database object
DESCRIPTION
This class represents a Xapian database for searching. See
Search::Xapian::WritableDatabase for an object suitable for indexing.
To perform searches, this class works with the Search::Xapian::Query
object.
METHODS
new <database>
Class constructor. Can either take a path to an existing database
or another database class as the first parameter
clone
Return a clone of this class.
add_database
Add an existing database (or group of databases) to those accessed
by this object.
reopen
This re-opens the database(s) to the latest available version(s).
It can be used either to make sure the latest results are returned,
or to recover from a Xapian::DatabaseModifiedError.
enquire [<query>]
Returns a new Search::Xapian::Enquire object. Any extra parameters
are passed to set_query.
get_doccount
Returns the number of document indexed in this database.
get_lastdocid
Returns the id of the last used document.
get_doclength <doc_id>
Returns the length of a given document.
get_document <doc_id>
Returns a Search::Xapian::Document object for the given document.
get_avlength
Get the average length of the documents in the database.
get_termfreq <term>
Get the number of documents in the database indexed by a given
term.
term_exists <term>
returns true if this term exists in the database, or false
otherwise.
get_description
return a description of this object.
get_spelling_suggestion
returns a suggested spelling correction.
allterms_begin [<prefix>]
Returns a Search::Xapian::TermIterator iterating over the termlist
for the the entire database. If the optional prefix argument is
non-empty, only terms starting with that string are returned.
allterms_end [<prefix>]
Returns a Search::Xapian::TermIterator pointing to the end of the
termlist corresponding to allterms_begin.
termlist_begin <docid>
Returns a Search::Xapian::TermIterator pointing to the start of the
termlist for a given document.
termlist_end <docid>
Returns a Search::Xapian::TermIterator pointing to the end of the
termlist for a given document.
positionlist_begin <docid> <term>
Returns a Search::Xapian::PositionIterator pointing to the start of
the position list for a given term in the given document.
positionlist_end <docid> <term>
Returns a Search::Xapian::PositionIterator pointing to the end of
the position list for a given term in the given document.
postlist_begin <term>
Returns a Search::Xapian::PostingIterator pointing to the start of
the posting list for a given term.
postlist_end <term>
Returns a Search::Xapian::PostingIterator pointing to the end of
the posting list for a given term.
keep_alive
Send a "keep-alive" to remote databases to stop them timing out.
get_collection_freq <term>
Get the number of elements indexed by a certain term.
SEE ALSO
Search::Xapian,Search::Xapian::Enquire,Search::Xapian::WritableDatabase
perl v5.14.1 2010-04-27 Xapian::Database(3)
