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Copy pathdata_type_array.h
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113 lines (89 loc) · 4.03 KB
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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.
// This file is copied from
// https://github.com/ClickHouse/ClickHouse/blob/master/src/DataTypes/DataTypeArray.h
// and modified by Doris
#pragma once
#include <gen_cpp/Types_types.h>
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include "common/status.h"
#include "core/data_type/data_type.h"
#include "core/data_type/data_type_nullable.h"
#include "core/data_type/define_primitive_type.h"
#include "core/data_type_serde/data_type_array_serde.h"
#include "core/data_type_serde/data_type_serde.h"
#include "core/field.h"
#include "core/types.h"
namespace doris {
class PColumnMeta;
class BufferWritable;
class IColumn;
} // namespace doris
namespace doris {
class DataTypeArray final : public IDataType {
private:
/// The type of array elements.
DataTypeNullablePtr nested;
DataTypePtr nested_as_base;
public:
static constexpr PrimitiveType PType = TYPE_ARRAY;
static constexpr bool is_parametric = true;
DataTypeArray(const DataTypePtr& nested_);
PrimitiveType get_primitive_type() const override { return PrimitiveType::TYPE_ARRAY; }
std::string do_get_name() const override { return "Array(" + nested->get_name() + ")"; }
const std::string get_family_name() const override { return "Array"; }
MutableColumnPtr create_column() const override;
Status check_column(const IColumn& column) const override;
[[noreturn]] Field get_field(const TExprNode& node) const override {
throw doris::Exception(ErrorCode::NOT_IMPLEMENTED_ERROR,
"Unimplemented get_field for array");
}
FieldWithDataType get_field_with_data_type(const IColumn& column,
size_t row_num) const override;
bool equals(const IDataType& rhs) const override;
const DataTypePtr& get_nested_type() const { return nested_as_base; }
const DataTypeNullablePtr& get_nullable_nested_type() const { return nested; }
/// 1 for plain array, 2 for array of arrays and so on.
size_t get_number_of_dimensions() const;
int64_t get_uncompressed_serialized_bytes(const IColumn& column,
int be_exec_version) const override;
char* serialize(const IColumn& column, char* buf, int be_exec_version) const override;
const char* deserialize(const char* buf, MutableColumnPtr* column,
int be_exec_version) const override;
void to_pb_column_meta(PColumnMeta* col_meta) const override;
using SerDeType = DataTypeArraySerDe;
DataTypeSerDeSPtr get_serde(int nesting_level = 1) const override {
return std::make_shared<SerDeType>(nested->get_serde(nesting_level + 1), nesting_level);
};
void to_protobuf(PTypeDesc* ptype, PTypeNode* node, PScalarType* scalar_type) const override {
node->set_type(TTypeNodeType::ARRAY);
node->set_contains_null(nested->is_nullable());
get_nested_type()->to_protobuf(ptype);
}
#ifdef BE_TEST
void to_thrift(TTypeDesc& thrift_type, TTypeNode& node) const override {
node.type = TTypeNodeType::ARRAY;
node.__isset.contains_nulls = true;
node.contains_nulls.push_back(nested->is_nullable());
get_nested_type()->to_thrift(thrift_type);
}
#endif
};
} // namespace doris