71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <boost/algorithm/string/split.hpp>
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#include "vec/data_types/data_type.h"
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#include "vec/data_types/data_type_array.h"
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#include "vec/data_types/data_type_number.h"
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#include "vec/functions/function.h"
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namespace doris::vectorized {
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class MatchParam {
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public:
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std::string query;
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std::set<std::string> fields;
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std::string type;
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};
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class FunctionMultiMatch : public IFunction {
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public:
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static constexpr auto name = "multi_match";
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static FunctionPtr create() { return std::make_shared<FunctionMultiMatch>(); }
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using NullMapType = PaddedPODArray<UInt8>;
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String get_name() const override { return name; }
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bool is_variadic() const override { return false; }
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size_t get_number_of_arguments() const override { return 4; }
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bool use_default_implementation_for_nulls() const override { return false; }
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DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
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return std::make_shared<DataTypeUInt8>();
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}
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Status open(FunctionContext* context, FunctionContext::FunctionStateScope scope) override;
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Status close(FunctionContext* context, FunctionContext::FunctionStateScope scope) override {
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return Status::OK();
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}
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Status execute_impl(FunctionContext* /*context*/, Block& block, const ColumnNumbers& arguments,
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size_t result, size_t /*input_rows_count*/) const override;
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bool can_push_down_to_index() const override { return true; }
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Status eval_inverted_index(FunctionContext* context, segment_v2::FuncExprParams& params,
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std::shared_ptr<roaring::Roaring>& result) override;
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};
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} // namespace doris::vectorized
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