polardbxengine/plugin/x/client/xrow_impl.h

92 lines
3.6 KiB
C++

/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PLUGIN_X_CLIENT_XROW_IMPL_H_
#define PLUGIN_X_CLIENT_XROW_IMPL_H_
#include <cstdint>
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "plugin/x/client/context/xcontext.h"
#include "plugin/x/client/message_holder.h"
#include "plugin/x/client/mysqlxclient/xrow.h"
namespace xcl {
class XRow_impl : public XRow {
public:
using Metadata = std::vector<Column_metadata>;
public:
explicit XRow_impl(Metadata *metadata, Context *context);
~XRow_impl() override = default;
int32_t get_number_of_fields() const override;
bool valid() const override;
bool is_null(const int32_t field_index) const override;
bool get_int64(const int32_t field_index, int64_t *out_data) const override;
bool get_uint64(const int32_t field_index, uint64_t *out_data) const override;
bool get_double(const int32_t field_index, double *out_data) const override;
bool get_float(const int32_t field_index, float *out_data) const override;
bool get_string(const int32_t field_index,
std::string *out_data) const override;
bool get_string(const int32_t field_index, const char **out_data,
size_t *out_data_length) const override;
bool get_enum(const int32_t field_index,
std::string *out_data) const override;
bool get_enum(const int32_t field_index, const char **out_data,
size_t *out_data_length) const override;
bool get_decimal(const int32_t field_index, Decimal *out_data) const override;
bool get_time(const int32_t field_index, Time *out_data) const override;
bool get_datetime(const int32_t field_index,
DateTime *out_data) const override;
bool get_set(const int32_t field_index,
std::set<std::string> *out_data) const override;
bool get_bit(const int32_t field_index, bool *out_data) const override;
bool get_bit(const int32_t field_index, uint64_t *out_data) const override;
bool get_field_as_string(const int32_t field_index,
std::string *out_data) const override;
void clean();
void set_row(std::unique_ptr<Row> &&row);
private:
bool get_string_based_field(const Column_type expected_type,
const int32_t field_index, const char **out_data,
size_t *out_data_length) const;
std::unique_ptr<Row> m_row;
const Metadata *m_metadata;
Context *m_context;
};
} // namespace xcl
#endif // PLUGIN_X_CLIENT_XROW_IMPL_H_