[feature](invert index) match_phrase_prefix feature added #27404
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| #include "phrase_prefix_query.h" | ||
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| #include "olap/rowset//segment_v2/inverted_index/query/prefix_query.h" | ||
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| namespace doris { | ||
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| namespace segment_v2 { | ||
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| PhrasePrefixQuery::PhrasePrefixQuery(const std::shared_ptr<lucene::search::IndexSearcher>& searcher) | ||
| : _searcher(searcher) {} | ||
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| void PhrasePrefixQuery::add(const std::wstring& field_name, const std::vector<std::string>& terms) { | ||
| if (terms.empty()) { | ||
| return; | ||
| } | ||
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| for (size_t i = 0; i < terms.size(); i++) { | ||
| if (i < terms.size() - 1) { | ||
| std::wstring ws = StringUtil::string_to_wstring(terms[i]); | ||
| Term* t = _CLNEW Term(field_name.c_str(), ws.c_str()); | ||
| _query.add(t); | ||
| _CLDECDELETE(t); | ||
| } else { | ||
| std::vector<CL_NS(index)::Term*> prefix_terms; | ||
| PrefixQuery::get_prefix_terms(_searcher->getReader(), field_name, terms[i], | ||
| prefix_terms, _max_expansions); | ||
| if (prefix_terms.empty()) { | ||
| continue; | ||
| } | ||
| _query.add(prefix_terms); | ||
| for (auto& t : prefix_terms) { | ||
| _CLDECDELETE(t); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| void PhrasePrefixQuery::search(roaring::Roaring& roaring) { | ||
| _searcher->_search(&_query, [&roaring](const int32_t docid, const float_t /*score*/) { | ||
| roaring.add(docid); | ||
| }); | ||
| } | ||
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| } // namespace segment_v2 | ||
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| } // namespace doris |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| #pragma once | ||
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| #include <CLucene.h> | ||
| #include <CLucene/index/IndexReader.h> | ||
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| #include <memory> | ||
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| #include "CLucene/search/MultiPhraseQuery.h" | ||
| #include "roaring/roaring.hh" | ||
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| CL_NS_USE(index) | ||
| CL_NS_USE(search) | ||
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| namespace doris { | ||
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| namespace segment_v2 { | ||
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| class PhrasePrefixQuery { | ||
| public: | ||
| PhrasePrefixQuery(const std::shared_ptr<lucene::search::IndexSearcher>& searcher); | ||
| ~PhrasePrefixQuery() = default; | ||
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| void set_max_expansions(int32_t max_expansions) { _max_expansions = max_expansions; } | ||
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| void add(const std::wstring& field_name, const std::vector<std::string>& terms); | ||
| void search(roaring::Roaring& roaring); | ||
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| private: | ||
| std::shared_ptr<lucene::search::IndexSearcher> _searcher; | ||
| MultiPhraseQuery _query; | ||
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| int32_t _max_expansions = 50; | ||
| }; | ||
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| } // namespace segment_v2 | ||
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| } // namespace doris | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| #include "prefix_query.h" | ||
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| namespace doris { | ||
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| void PrefixQuery::get_prefix_terms(IndexReader* reader, const std::wstring& field_name, | ||
| const std::string& prefix, | ||
| std::vector<CL_NS(index)::Term*>& prefix_terms, | ||
| int32_t max_expansions) { | ||
| std::wstring ws_prefix = StringUtil::string_to_wstring(prefix); | ||
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| Term* prefix_term = _CLNEW Term(field_name.c_str(), ws_prefix.c_str()); | ||
| TermEnum* enumerator = reader->terms(prefix_term); | ||
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| int32_t count = 0; | ||
| Term* lastTerm = nullptr; | ||
| try { | ||
| const TCHAR* prefixText = prefix_term->text(); | ||
| const TCHAR* prefixField = prefix_term->field(); | ||
| const TCHAR* tmp = nullptr; | ||
| size_t i = 0; | ||
| size_t prefixLen = prefix_term->textLength(); | ||
| do { | ||
| lastTerm = enumerator->term(); | ||
| if (lastTerm != nullptr && lastTerm->field() == prefixField) { | ||
| size_t termLen = lastTerm->textLength(); | ||
| if (prefixLen > termLen) { | ||
| break; | ||
| } | ||
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| tmp = lastTerm->text(); | ||
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| for (i = prefixLen - 1; i != -1; --i) { | ||
| if (tmp[i] != prefixText[i]) { | ||
| tmp = nullptr; | ||
| break; | ||
| } | ||
| } | ||
| if (tmp == nullptr) { | ||
| break; | ||
| } | ||
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| if (max_expansions > 0 && count >= max_expansions) { | ||
| break; | ||
| } | ||
|
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| Term* t = _CLNEW Term(field_name.c_str(), tmp); | ||
| prefix_terms.push_back(t); | ||
| count++; | ||
| } else { | ||
| break; | ||
| } | ||
| _CLDECDELETE(lastTerm); | ||
| } while (enumerator->next()); | ||
| } | ||
| _CLFINALLY({ | ||
| enumerator->close(); | ||
| _CLDELETE(enumerator); | ||
| _CLDECDELETE(lastTerm); | ||
| _CLDECDELETE(prefix_term); | ||
| }); | ||
| } | ||
|
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| } // namespace doris |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| #pragma once | ||
|
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| #include <CLucene.h> | ||
|
Contributor
There was a problem hiding this comment. warning: 'CLucene.h' file not found [clang-diagnostic-error] #include <CLucene.h>
^
Contributor
There was a problem hiding this comment. warning: 'CLucene.h' file not found [clang-diagnostic-error] #include <CLucene.h>
^ |
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| #include <CLucene/index/IndexReader.h> | ||
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| #include <cstdint> | ||
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| CL_NS_USE(index) | ||
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| namespace doris { | ||
|
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| class PrefixQuery { | ||
| public: | ||
| PrefixQuery() = default; | ||
| ~PrefixQuery() = default; | ||
|
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| static void get_prefix_terms(IndexReader* reader, const std::wstring& field_name, | ||
| const std::string& prefix, | ||
| std::vector<CL_NS(index)::Term*>& prefix_terms, | ||
| int32_t max_expansions = 50); | ||
| }; | ||
|
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| } // namespace doris | ||
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warning: 'CLucene.h' file not found [clang-diagnostic-error]