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/* * Copyright (c) 2015, 2023, Oracle and/or its affiliates. * * 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 "callback_command_delegate.h" #include "xpl_log.h" using namespace xpl; Callback_command_delegate::Field_value::Field_value() : is_unsigned(false), is_string(false) {} Callback_command_delegate::Field_value::Field_value(const Field_value& other) : value(other.value), is_unsigned(other.is_unsigned), is_string(other.is_string) { if (other.is_string) value.v_string = new std::string(*other.value.v_string); } /* NOTE: Commented for coverage. Uncomment when needed. Callback_command_delegate::Field_value& Callback_command_delegate::Field_value::operator = (const Field_value& other) { if (&other != this) { this->~Field_value(); value = other.value; is_unsigned = other.is_unsigned; is_string = other.is_string; if (other.is_string) value.v_string = new std::string(*other.value.v_string); } return *this; } */ Callback_command_delegate::Field_value::Field_value(const longlong &num, bool unsign) { value.v_long = num; is_unsigned = unsign; is_string = false; } Callback_command_delegate::Field_value::Field_value(const double num) { value.v_double = num; is_string = false; } Callback_command_delegate::Field_value::Field_value(const decimal_t &decimal) { value.v_decimal = decimal; is_string = false; } Callback_command_delegate::Field_value::Field_value(const MYSQL_TIME &time) { value.v_time = time; is_string = false; } Callback_command_delegate::Field_value::Field_value(const char *str, size_t length) { value.v_string = new std::string(str, length); is_string = true; } Callback_command_delegate::Field_value::~Field_value() { if (is_string && value.v_string) delete value.v_string; } Callback_command_delegate::Row_data::~Row_data() { clear(); } void Callback_command_delegate::Row_data::clear() { std::vector<Field_value*>::iterator i = fields.begin(); for (; i != fields.end(); ++i) ngs::free_object(*i); fields.clear(); } Callback_command_delegate::Row_data::Row_data(const Row_data& other) { clone_fields(other); } Callback_command_delegate::Row_data& Callback_command_delegate::Row_data::operator=(const Row_data& other) { if (&other != this) { clear(); clone_fields(other); } return *this; } void Callback_command_delegate::Row_data::clone_fields(const Row_data& other) { fields.reserve(other.fields.size()); std::vector<Field_value*>::const_iterator i = other.fields.begin(); for (; i != other.fields.end(); ++i) { this->fields.push_back((*i) ? ngs::allocate_object<Field_value>(**i) : NULL); } } Callback_command_delegate::Callback_command_delegate() : m_current_row(NULL) { } Callback_command_delegate::Callback_command_delegate(Start_row_callback start_row, End_row_callback end_row) : m_start_row(start_row), m_end_row(end_row), m_current_row(NULL) { } void Callback_command_delegate::set_callbacks(Start_row_callback start_row, End_row_callback end_row) { m_start_row = start_row; m_end_row = end_row; } void Callback_command_delegate::reset() { m_current_row = NULL; Command_delegate::reset(); } int Callback_command_delegate::start_row() { if (m_start_row) { m_current_row = m_start_row(); if (!m_current_row) return true; } else m_current_row = NULL; return false; } int Callback_command_delegate::end_row() { if (m_end_row && !m_end_row(m_current_row)) return true; return false; } void Callback_command_delegate::abort_row() { } ulong Callback_command_delegate::get_client_capabilities() { return CLIENT_DEPRECATE_EOF; } /****** Getting data ******/ int Callback_command_delegate::get_null() { try { if (m_current_row) m_current_row->fields.push_back(NULL); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_integer(longlong value) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_longlong(longlong value, uint unsigned_flag) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(value, unsigned_flag)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_decimal(const decimal_t * value) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(*value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_double(double value, uint32 decimals) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_date(const MYSQL_TIME * value) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(*value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_time(const MYSQL_TIME * value, uint decimals) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(*value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_datetime(const MYSQL_TIME * value, uint decimals) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(*value)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; } int Callback_command_delegate::get_string(const char * const value, size_t length, const CHARSET_INFO * const valuecs) { try { if (m_current_row) m_current_row->fields.push_back(ngs::allocate_object<Field_value>(value, length)); } catch (std::exception &e) { log_error("Error getting result data: %s", e.what()); return true; } return false; }