Features currently marked for deprecation¶

Note

We have a separate list of all features that have been fully deprecated, with the version they were removed.

Native C++ API¶

Deprecated	Remove	Feature name	Upgrade suggestion and comments
1.4.11	3.0.0	Environment variable `XAPIAN_CJK_NGRAM`	If you require Xapian >= 1.4.23, specify via the flags `Xapian::QueryParser::FLAG_NGRAMS`, `Xapian::TermGenerator::FLAG_NGRAMS` and `Xapian::MSet::SNIPPET_NGRAMS` instead. If you want to be compatible with Xapian < 1.4.23 too, use `Xapian::QueryParser::FLAG_CJK_NGRAM`, `Xapian::TermGenerator::FLAG_CJK_NGRAM` and `Xapian::MSet::SNIPPET_CJK_NGRAM`.
2.0.0	3.0.0	`TradWeight` class	Since 2.0.0, `TradWeight` is just a thin subclass of `BM25Weight`. Instead of `TradWeight(k)` use `Xapian::BM25Weight(k, 0, 0, 1, 0)`; instead of `TradWeight()` use `Xapian::BM25Weight(1, 0, 0, 1, 0)`. Both replacements work with all older Xapian versions too.
2.0.0	3.0.0	`Enquire::set_expansion_scheme()` with `"trad""` for eweightname	Use `"prob"` instead, supported by Xapian >= 1.4.26.

Deprecated	Remove	Language	Feature name	Upgrade suggestion and comments

Deprecated	Remove	Feature name	Upgrade suggestion and comments
2.0.0	3.0.0	`$set{weighting,trad k}` and `$set{weighting,trad}`	Use `$set{weighting,bm25 k 0 0 1 0}` and `$set{weighting,bm25 1 0 0 1 0}` instead.