/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* * Copyright 2023-Present Couchbase, Inc. * * Licensed 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. */ #pragma once #include #include namespace couchbase { /** * The query string query allows humans to describe complex queries using a simple syntax. * * 1. When you specify multiple query-clauses, you can specify the relative importance to a given clause by suffixing it with the `^` * operator, followed by a number or by specifying the boost parameter with the number to boost the search. For example perform * @ref match_query for pool in both the name and description fields, but documents having the term in the name field score higher. * @snippet test_unit_search.cxx search-query-string-boosting * * 2. You can perform date or numeric range searches by using the `>`, `>=`, `<`, and `<=` operators, followed by a date value in quotes. * For example, perform a @ref date_range_query on the created field for values after September 21, 2016. * @snippet test_unit_search.cxx search-query-string-date-range * Or, perform a @ref numeric_range_query on the `reviews.ratings.Cleanliness` field, for values greater than 4. * @snippet test_unit_search.cxx search-query-string-numeric-range * * @see https://docs.couchbase.com/server/current/fts/fts-query-string-syntax.html definition of query syntax * * @since 1.0.0 * @committed */ class query_string_query : public search_query { public: /** * Create a new query string query. * * @param query the query string to be analyzed and used against * * @since 1.0.0 * @committed */ explicit query_string_query(std::string query) : query_{ std::move(query) } { } /** * @return encoded representation of the query. * * @since 1.0.0 * @internal */ [[nodiscard]] auto encode() const -> encoded_search_query override; private: std::string query_; }; } // namespace couchbase