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db0c28eff8
Find and fix missing virtual override markings. Updates cmake maintainer flags to include -Wsuggest-override and -Winconsistent-missing-override.
123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/* Copyright (c) 2008 MySQL AB, 2009 Sun Microsystems, Inc.
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Use is subject to license terms.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef SQL_SIGNAL_H
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#define SQL_SIGNAL_H
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/**
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Sql_cmd_common_signal represents the common properties of the
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SIGNAL and RESIGNAL statements.
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*/
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class Sql_cmd_common_signal : public Sql_cmd
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{
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protected:
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/**
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Constructor.
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@param cond the condition signaled if any, or NULL.
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@param set collection of signal condition item assignments.
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*/
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Sql_cmd_common_signal(const sp_condition_value *cond,
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const Set_signal_information& set)
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: Sql_cmd(),
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m_cond(cond),
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m_set_signal_information(set)
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{}
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virtual ~Sql_cmd_common_signal() = default;
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/**
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Evaluate each signal condition items for this statement.
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@param thd the current thread.
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@param cond the condition to update.
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@return 0 on success.
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*/
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int eval_signal_informations(THD *thd, Sql_condition *cond);
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/**
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Raise a SQL condition.
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@param thd the current thread.
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@param cond the condition to raise.
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@return false on success.
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*/
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bool raise_condition(THD *thd, Sql_condition *cond);
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/**
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The condition to signal or resignal.
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This member is optional and can be NULL (RESIGNAL).
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*/
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const sp_condition_value *m_cond;
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/**
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Collection of 'SET item = value' assignments in the
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SIGNAL/RESIGNAL statement.
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*/
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Set_signal_information m_set_signal_information;
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};
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/**
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Sql_cmd_signal represents a SIGNAL statement.
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*/
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class Sql_cmd_signal : public Sql_cmd_common_signal
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{
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public:
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/**
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Constructor, used to represent a SIGNAL statement.
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@param cond the SQL condition to signal (required).
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@param set the collection of signal information to signal.
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*/
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Sql_cmd_signal(const sp_condition_value *cond,
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const Set_signal_information& set)
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: Sql_cmd_common_signal(cond, set)
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{}
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virtual ~Sql_cmd_signal() = default;
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enum_sql_command sql_command_code() const override
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{
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return SQLCOM_SIGNAL;
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}
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bool execute(THD *thd) override;
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};
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/**
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Sql_cmd_resignal represents a RESIGNAL statement.
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*/
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class Sql_cmd_resignal : public Sql_cmd_common_signal
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{
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public:
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/**
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Constructor, used to represent a RESIGNAL statement.
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@param cond the SQL condition to resignal (optional, may be NULL).
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@param set the collection of signal information to resignal.
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*/
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Sql_cmd_resignal(const sp_condition_value *cond,
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const Set_signal_information& set)
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: Sql_cmd_common_signal(cond, set)
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{}
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virtual ~Sql_cmd_resignal() = default;
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enum_sql_command sql_command_code() const override
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{
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return SQLCOM_RESIGNAL;
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}
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bool execute(THD *thd) override;
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};
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#endif
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