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synced 2025-08-08 11:22:35 +03:00
Applied all changes from Igor and Sanja
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@@ -18,27 +18,25 @@
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#define SQL_SIGNAL_H
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/**
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Signal_common represents the common properties of the SIGNAL and RESIGNAL
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statements.
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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 Signal_common : public Sql_statement
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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 lex the LEX structure for this statement.
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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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Signal_common(LEX *lex,
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const sp_cond_type_t *cond,
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const Set_signal_information& set)
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: Sql_statement(lex),
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Sql_cmd_common_signal(const sp_cond_type *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 ~Signal_common()
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virtual ~Sql_cmd_common_signal()
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{}
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/**
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@@ -49,9 +47,9 @@ protected:
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@param level the level to assign
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@param sqlcode the sql code to assign
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*/
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static void assign_defaults(MYSQL_ERROR *cond,
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static void assign_defaults(Sql_condition *cond,
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bool set_level_code,
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MYSQL_ERROR::enum_warning_level level,
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Sql_condition::enum_warning_level level,
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int sqlcode);
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/**
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@@ -60,7 +58,7 @@ protected:
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@param thd the current thread.
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@param cond the condition to update.
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*/
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void eval_defaults(THD *thd, MYSQL_ERROR *cond);
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void eval_defaults(THD *thd, Sql_condition *cond);
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/**
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Evaluate each signal condition items for this statement.
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@@ -68,7 +66,7 @@ protected:
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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, MYSQL_ERROR *cond);
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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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@@ -76,13 +74,13 @@ protected:
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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, MYSQL_ERROR *cond);
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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_cond_type_t *m_cond;
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const sp_cond_type *m_cond;
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/**
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Collection of 'SET item = value' assignments in the
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@@ -92,60 +90,56 @@ protected:
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};
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/**
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Signal_statement represents a SIGNAL statement.
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Sql_cmd_signal represents a SIGNAL statement.
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*/
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class Signal_statement : public Signal_common
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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 lex the LEX structure for this statement.
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@param cond the SQL condition to signal (required).
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@param set the collection of signal informations to signal.
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*/
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Signal_statement(LEX *lex,
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const sp_cond_type_t *cond,
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const Set_signal_information& set)
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: Signal_common(lex, cond, set)
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Sql_cmd_signal(const sp_cond_type *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 ~Signal_statement()
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virtual ~Sql_cmd_signal()
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{}
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/**
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Execute a SIGNAL statement at runtime.
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@param thd the current thread.
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@return false on success.
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*/
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virtual enum_sql_command sql_command_code() const
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{
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return SQLCOM_SIGNAL;
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}
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virtual bool execute(THD *thd);
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};
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/**
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Resignal_statement represents a RESIGNAL statement.
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Sql_cmd_resignal represents a RESIGNAL statement.
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*/
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class Resignal_statement : public Signal_common
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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 lex the LEX structure for this 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 informations to resignal.
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*/
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Resignal_statement(LEX *lex,
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const sp_cond_type_t *cond,
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const Set_signal_information& set)
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: Signal_common(lex, cond, set)
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Sql_cmd_resignal(const sp_cond_type *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 ~Resignal_statement()
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virtual ~Sql_cmd_resignal()
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{}
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/**
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Execute a RESIGNAL statement at runtime.
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@param thd the current thread.
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@return 0 on success.
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*/
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virtual enum_sql_command sql_command_code() const
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{
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return SQLCOM_RESIGNAL;
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}
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virtual bool execute(THD *thd);
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};
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