636608a9dd
* WritableDatabase::remove_spelling() now works properly.
* The QueryParser now treats NON_SPACING_MARK Unicode characters as phrase
generators, which improves handling of Arabic. This is a stop-gap solution
for 1.0.x which will work with existing databases without requiring
reindexing - in 1.1.0, NON_SPACING_MARK will be regarded as part of a word.
(ticket#355)
* Fix undefined behaviour in distribution of OP_NEAR and OP_PHRASE over a
non-leaf subquery (indentified by valgrind on testcase nearsubqueries1).
(ticket#349)
* Enhance distribution of OP_NEAR/OP_PHRASE over non-leaf subqueries to work
when there are multiple non-leaf subqueries (ticket#201).
* Enquire::get_mset() no longer needlessly checks if the documents exist.
* PostingIterator::get_description() output improved visually in some cases.
* Enquire::get_mset():
+ Now throws UnimplementedError if there's a percentage cutoff and sorting is
primarily by value - this has never been correctly supported and it's
better to warn people than give incorrect results.
+ No longer needlessly copies the results internally.
+ When searching multiple databases, now recalculates the maximum attainable
weight after each database which may allow it to terminate earlier.
(ticket#336).
+ Fix inconsistent percentage scores when sorting primarily by value, except
when a MatchDecider is also being used; document this remaining problem
case. (ticket#216)
* Enquire::set_sort_by_value() (and similar methods): Rename the wrongly named
"ascending" parameter to "reverse", and note that its value should always be
explicitly given since defaulting to "reverse=true" is confusing and the
default will be deprecated in 1.1.0. (ticket#311)
* Database::allterms_begin(): Fix memory leak when iterating all terms from
more than one database.
* Query::get_terms_begin(): Don't return "" from the TermIterator (happened
when the query contained or was Query::MatchAll).
* Add QueryParser::FLAG_DEFAULT to make it easier to add flags to those set by
default.
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