polardbxengine/plugin/x/tests/driver/connector/result_fetcher.cc

144 lines
4.0 KiB
C++

/*
* Copyright (c) 2017, 2018, 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
*/
#include "plugin/x/tests/driver/connector/result_fetcher.h"
#include <set>
#include <stdexcept>
#include <vector>
#include "plugin/x/client/mysqlxclient/xrow.h"
#include "plugin/x/ngs/include/ngs/protocol/protocol_const.h"
namespace {
inline std::string get_typename(const xcl::Column_type &field) {
switch (field) {
case xcl::Column_type::SINT:
return "SINT";
case xcl::Column_type::UINT:
return "UINT";
case xcl::Column_type::DOUBLE:
return "DOUBLE";
case xcl::Column_type::FLOAT:
return "FLOAT";
case xcl::Column_type::BYTES:
return "BYTES";
case xcl::Column_type::TIME:
return "TIME";
case xcl::Column_type::DATETIME:
return "DATETIME";
case xcl::Column_type::SET:
return "SET";
case xcl::Column_type::ENUM:
return "ENUM";
case xcl::Column_type::BIT:
return "BIT";
case xcl::Column_type::DECIMAL:
return "DECIMAL";
}
return "UNKNOWN";
}
inline std::string get_flags(const xcl::Column_type &field, uint32_t flags) {
std::string r;
if (flags & MYSQLX_COLUMN_FLAGS_UINT_ZEROFILL) { // and other equal 1
switch (field) {
case xcl::Column_type::SINT:
case xcl::Column_type::UINT:
r += " ZEROFILL";
break;
case xcl::Column_type::DOUBLE:
case xcl::Column_type::FLOAT:
case xcl::Column_type::DECIMAL:
r += " UNSIGNED";
break;
case xcl::Column_type::BYTES:
r += " RIGHTPAD";
break;
case xcl::Column_type::DATETIME:
r += " TIMESTAMP";
break;
default: {
}
}
}
if (flags & MYSQLX_COLUMN_FLAGS_NOT_NULL) r += " NOT_NULL";
if (flags & MYSQLX_COLUMN_FLAGS_PRIMARY_KEY) r += " PRIMARY_KEY";
if (flags & MYSQLX_COLUMN_FLAGS_UNIQUE_KEY) r += " UNIQUE_KEY";
if (flags & MYSQLX_COLUMN_FLAGS_MULTIPLE_KEY) r += " MULTIPLE_KEY";
if (flags & MYSQLX_COLUMN_FLAGS_AUTO_INCREMENT) r += " AUTO_INCREMENT";
return r;
}
} // namespace
std::ostream &operator<<(std::ostream &os,
const std::vector<xcl::Column_metadata> &meta) {
for (const xcl::Column_metadata &col : meta) {
os << col.name << ":" << get_typename(col.type) << ':'
<< get_flags(col.type, col.flags) << '\n';
}
return os;
}
std::ostream &operator<<(std::ostream &os, Result_fetcher *result) {
std::vector<xcl::Column_metadata> meta(result->column_metadata());
if (result->get_last_error()) return os;
for (std::size_t col = 0; col < meta.size(); ++col) {
if (col != 0) os << "\t";
os << meta[col].name;
}
os << "\n";
std::string out_data;
while (const xcl::XRow *row = result->next()) {
for (int field = 0; field < row->get_number_of_fields(); ++field) {
if (field != 0) os << "\t";
if (!row->get_field_as_string(field, &out_data))
throw std::runtime_error("Data decoder failed");
os << out_data;
}
os << "\n";
}
return os;
}