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doris/be/src/vec/functions/match.h
2023-07-11 13:48:16 +08:00

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9.1 KiB
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// 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.
#pragma once
#include <stddef.h>
#include <algorithm>
#include <boost/iterator/iterator_facade.hpp>
#include <memory>
#include <ostream>
#include <string>
#include <utility>
#include "common/config.h"
#include "common/consts.h"
#include "common/logging.h"
#include "common/status.h"
#include "olap/inverted_index_parser.h"
#include "olap/rowset/segment_v2/inverted_index_reader.h"
#include "vec/aggregate_functions/aggregate_function.h"
#include "vec/columns/column.h"
#include "vec/columns/column_array.h"
#include "vec/core/block.h"
#include "vec/core/column_numbers.h"
#include "vec/core/column_with_type_and_name.h"
#include "vec/core/types.h"
#include "vec/data_types/data_type_number.h"
#include "vec/exprs/vmatch_predicate.h"
#include "vec/functions/function.h"
#include "vec/functions/simple_function_factory.h"
namespace doris {
class FunctionContext;
} // namespace doris
namespace doris::vectorized {
const std::string MATCH_ANY_FUNCTION = "match_any";
const std::string MATCH_ALL_FUNCTION = "match_all";
const std::string MATCH_PHRASE_FUNCTION = "match_phrase";
class FunctionMatchBase : public IFunction {
public:
size_t get_number_of_arguments() const override { return 2; }
String get_name() const override { return "match"; }
/// Get result types by argument types. If the function does not apply to these arguments, throw an exception.
DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
return std::make_shared<DataTypeUInt8>();
}
Status execute_impl(FunctionContext* context, Block& block, const ColumnNumbers& arguments,
size_t result, size_t input_rows_count) override;
virtual Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) = 0;
doris::segment_v2::InvertedIndexQueryType get_query_type_from_fn_name();
std::vector<std::wstring> analyse_data_token(const std::string& column_name,
InvertedIndexCtx* inverted_index_ctx,
const ColumnString* string_col,
int32_t current_block_row_idx,
const ColumnArray::Offsets64* array_offsets,
int32_t& current_src_array_offset);
};
class FunctionMatchAny : public FunctionMatchBase {
public:
static constexpr auto name = "match_any";
static FunctionPtr create() { return std::make_shared<FunctionMatchAny>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override;
};
class FunctionMatchAll : public FunctionMatchBase {
public:
static constexpr auto name = "match_all";
static FunctionPtr create() { return std::make_shared<FunctionMatchAll>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override;
};
class FunctionMatchPhrase : public FunctionMatchBase {
public:
static constexpr auto name = "match_phrase";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override;
};
class FunctionMatchElementEQ : public FunctionMatchBase {
public:
static constexpr auto name = "match_element_eq";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override {
return Status::Error<ErrorCode::INVERTED_INDEX_NOT_SUPPORTED>(
"FunctionMatchElementEQ not support execute_match");
}
};
class FunctionMatchElementLT : public FunctionMatchBase {
public:
static constexpr auto name = "match_element_lt";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override {
return Status::Error<ErrorCode::INVERTED_INDEX_NOT_SUPPORTED>(
"FunctionMatchElementLT not support execute_match");
}
};
class FunctionMatchElementGT : public FunctionMatchBase {
public:
static constexpr auto name = "match_element_gt";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override {
return Status::Error<ErrorCode::INVERTED_INDEX_NOT_SUPPORTED>(
"FunctionMatchElementGT not support execute_match");
}
};
class FunctionMatchElementLE : public FunctionMatchBase {
public:
static constexpr auto name = "match_element_le";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override {
return Status::Error<ErrorCode::INVERTED_INDEX_NOT_SUPPORTED>(
"FunctionMatchElementLE not support execute_match");
}
};
class FunctionMatchElementGE : public FunctionMatchBase {
public:
static constexpr auto name = "match_element_ge";
static FunctionPtr create() { return std::make_shared<FunctionMatchPhrase>(); }
String get_name() const override { return name; }
Status execute_match(const std::string& column_name, const std::string& match_query_str,
size_t input_rows_count, const ColumnString* string_col,
InvertedIndexCtx* inverted_index_ctx,
const ColumnArray::Offsets64* array_offsets,
ColumnUInt8::Container& result) override {
return Status::Error<ErrorCode::INVERTED_INDEX_NOT_SUPPORTED>(
"FunctionMatchElementGE not support execute_match");
}
};
} // namespace doris::vectorized