be/src/storage/index/index_reader_helper.h
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1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | |
18 | | #pragma once |
19 | | |
20 | | #include "storage/index/index_iterator.h" |
21 | | #include "storage/index/inverted/inverted_index_reader.h" |
22 | | |
23 | | namespace doris::segment_v2 { |
24 | | #include "common/compile_check_begin.h" |
25 | | |
26 | | class IndexReaderHelper { |
27 | | public: |
28 | 16 | static bool is_fulltext_index(const IndexReaderPtr& reader) { |
29 | 16 | if (reader == nullptr || reader->index_type() != IndexType::INVERTED) { |
30 | 4 | return false; |
31 | 4 | } |
32 | | |
33 | 12 | auto inverted_index_reader = std::static_pointer_cast<InvertedIndexReader>(reader); |
34 | 12 | return inverted_index_reader->type() == InvertedIndexReaderType::FULLTEXT; |
35 | 16 | } |
36 | | |
37 | 14 | static bool is_string_index(const IndexReaderPtr& reader) { |
38 | 14 | if (reader == nullptr || reader->index_type() != IndexType::INVERTED) { |
39 | 2 | return false; |
40 | 2 | } |
41 | | |
42 | 12 | auto inverted_index_reader = std::static_pointer_cast<InvertedIndexReader>(reader); |
43 | 12 | return inverted_index_reader->type() == InvertedIndexReaderType::STRING_TYPE; |
44 | 14 | } |
45 | | |
46 | 15 | static bool is_bkd_index(const IndexReaderPtr& reader) { |
47 | 15 | if (reader == nullptr || reader->index_type() != IndexType::INVERTED) { |
48 | 3 | return false; |
49 | 3 | } |
50 | | |
51 | 12 | auto inverted_index_reader = std::static_pointer_cast<InvertedIndexReader>(reader); |
52 | 12 | return inverted_index_reader->type() == InvertedIndexReaderType::BKD; |
53 | 15 | } |
54 | | |
55 | 24 | static bool is_support_phrase(const IndexReaderPtr& reader) { |
56 | 24 | if (reader == nullptr || reader->index_type() != IndexType::INVERTED) { |
57 | 4 | return false; |
58 | 4 | } |
59 | | |
60 | 20 | auto inverted_index_reader = std::static_pointer_cast<InvertedIndexReader>(reader); |
61 | 20 | const auto& properties = inverted_index_reader->get_index_properties(); |
62 | 20 | return get_parser_phrase_support_string_from_properties(properties) == |
63 | 20 | INVERTED_INDEX_PARSER_PHRASE_SUPPORT_YES; |
64 | 24 | } |
65 | | |
66 | | // only string type or bkd index reader can be used for equal |
67 | 1 | static bool has_string_or_bkd_index(const IndexIterator* iter) { |
68 | 1 | if (iter == nullptr) { |
69 | 0 | return false; |
70 | 0 | } |
71 | | |
72 | 1 | return iter->get_reader(InvertedIndexReaderType::STRING_TYPE) != nullptr || |
73 | 1 | iter->get_reader(InvertedIndexReaderType::BKD) != nullptr; |
74 | 1 | } |
75 | | |
76 | 2 | static bool has_bkd_index(const IndexIterator* iter) { |
77 | 2 | if (iter == nullptr) { |
78 | 0 | return false; |
79 | 0 | } |
80 | | |
81 | 2 | return iter->get_reader(InvertedIndexReaderType::BKD) != nullptr; |
82 | 2 | } |
83 | | |
84 | 0 | static bool has_string_index(const IndexIterator* iter) { |
85 | 0 | if (iter == nullptr) { |
86 | 0 | return false; |
87 | 0 | } |
88 | 0 |
|
89 | 0 | return iter->get_reader(InvertedIndexReaderType::STRING_TYPE) != nullptr; |
90 | 0 | } |
91 | | |
92 | | static bool is_need_similarity_score(InvertedIndexQueryType query_type, |
93 | 24 | const TabletIndex* index_meta) { |
94 | 24 | if (query_type == InvertedIndexQueryType::MATCH_ANY_QUERY || |
95 | 24 | query_type == InvertedIndexQueryType::MATCH_ALL_QUERY || |
96 | 24 | query_type == InvertedIndexQueryType::MATCH_PHRASE_QUERY || |
97 | 24 | query_type == InvertedIndexQueryType::MATCH_PHRASE_PREFIX_QUERY) { |
98 | 21 | const auto& properties = index_meta->properties(); |
99 | 21 | if (get_parser_phrase_support_string_from_properties(properties) == |
100 | 21 | INVERTED_INDEX_PARSER_PHRASE_SUPPORT_YES) { |
101 | 21 | return true; |
102 | 21 | } |
103 | 21 | } |
104 | 3 | return false; |
105 | 24 | } |
106 | | |
107 | | static bool is_need_similarity_score(TExprOpcode::type query_type, |
108 | 4 | const TabletIndex* index_meta) { |
109 | 4 | if (query_type == TExprOpcode::MATCH_ANY || query_type == TExprOpcode::MATCH_ALL || |
110 | 4 | query_type == TExprOpcode::MATCH_PHRASE || |
111 | 4 | query_type == TExprOpcode::MATCH_PHRASE_PREFIX) { |
112 | 2 | const auto& properties = index_meta->properties(); |
113 | 2 | if (get_parser_phrase_support_string_from_properties(properties) == |
114 | 2 | INVERTED_INDEX_PARSER_PHRASE_SUPPORT_YES) { |
115 | 2 | return true; |
116 | 2 | } |
117 | 2 | } |
118 | 2 | return false; |
119 | 4 | } |
120 | | }; |
121 | | |
122 | | #include "common/compile_check_end.h" |
123 | | } // namespace doris::segment_v2 |