9e21318834
1. make ColumnObject exception safe 2. introduce FlushContext and construct schema at memtable flush stage to make segment independent from dynamic schema 3. add more test cases
53 lines
2.0 KiB
C++
53 lines
2.0 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 <common/status.h>
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#include <vector>
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#include "vec/columns/column.h"
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#include "vec/common/string_ref.h"
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namespace doris {
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namespace vectorized {
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class ColumnString;
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class SimdJSONParser;
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enum class ExtractType;
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template <typename ParserImpl>
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class JSONDataParser;
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} // namespace vectorized
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} // namespace doris
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namespace doris::vectorized {
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// parse a batch of json strings into column object, throws doris::Execption when failed
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void parse_json_to_variant(IColumn& column, const std::vector<StringRef>& jsons);
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// parse a single json, throws doris::Execption when failed
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void parse_json_to_variant(IColumn& column, const StringRef& jsons,
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JSONDataParser<SimdJSONParser>* parser);
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// extract keys columns from json strings into columns
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bool extract_key(MutableColumns& columns, const std::vector<StringRef>& jsons,
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const std::vector<StringRef>& keys, const std::vector<ExtractType>& types);
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// extract keys columns from colunnstring(json format) into columns
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bool extract_key(MutableColumns& columns, const ColumnString& json_column,
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const std::vector<StringRef>& keys, const std::vector<ExtractType>& types);
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} // namespace doris::vectorized
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