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| author | Mathias Stearn <mathias@10gen.com> | 2016-03-02 18:31:44 -0500 |
|---|---|---|
| committer | Mathias Stearn <mathias@10gen.com> | 2016-03-11 08:55:40 -0500 |
| commit | 4b10e50494175df2b1ed8fc4f8e7f8c6ca6f06d5 (patch) | |
| tree | 5c799a4d1b0b565854687ef4f25f8f3308afd462 /src/mongo/db/fts/stemmer.h | |
| parent | 72aab77138463d96494389bc538c13395c34a2d3 (diff) | |
| download | mongo-4b10e50494175df2b1ed8fc4f8e7f8c6ca6f06d5.tar.gz | |
SERVER-19936 Optimize UnicodeFTSTokenizer
Diffstat (limited to 'src/mongo/db/fts/stemmer.h')
| -rw-r--r-- | src/mongo/db/fts/stemmer.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mongo/db/fts/stemmer.h b/src/mongo/db/fts/stemmer.h index 59261bfb6a0..80bfdc2faf9 100644 --- a/src/mongo/db/fts/stemmer.h +++ b/src/mongo/db/fts/stemmer.h @@ -31,8 +31,6 @@ #pragma once -#include <string> - #include "mongo/base/string_data.h" #include "mongo/db/fts/fts_language.h" #include "third_party/libstemmer_c/include/libstemmer.h" @@ -53,7 +51,14 @@ public: Stemmer(const FTSLanguage* language); ~Stemmer(); - std::string stem(StringData word) const; + /** + * Stems an input word. + * + * The returned StringData is valid until the next call to any method on this object. Since the + * input may be returned unmodified, the output's lifetime may also expire when the input's + * does. + */ + StringData stem(StringData word) const; private: struct sb_stemmer* _stemmer; |