mysql/sql/event_data_objects.h at master · sateeshgithub/mysql · GitHub

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#ifndef _EVENT_DATA_OBJECTS_H_

#define _EVENT_DATA_OBJECTS_H_

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; version 2 of the License.

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 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 */

/**

@addtogroup Event_Scheduler

@file event_data_objects.h

#include "event_parse_data.h"

#include "thr_lock.h" /* thr_lock_type */

class Field;

class THD;

class Time_zone;

struct TABLE;

class Event_queue_element_for_exec

{

public:

Event_queue_element_for_exec(){};

~Event_queue_element_for_exec();

bool

init(LEX_STRING dbname, LEX_STRING name);

LEX_STRING dbname;

LEX_STRING name;

bool dropped;

THD *thd;

private:

/* Prevent use of these */

Event_queue_element_for_exec(const Event_queue_element_for_exec &);

void operator=(Event_queue_element_for_exec &);

};

class Event_basic

{

protected:

MEM_ROOT mem_root;

public:

LEX_STRING dbname;

LEX_STRING name;

LEX_STRING definer;// combination of user and host

Time_zone *time_zone;

Event_basic();

virtual ~Event_basic();

virtual bool

load_from_row(THD *thd, TABLE *table) = 0;

protected:

bool

load_string_fields(Field **fields, ...);

bool

load_time_zone(THD *thd, const LEX_STRING tz_name);

};

class Event_queue_element : public Event_basic

{

public:

int on_completion;

int status;

longlong originator;

my_time_t last_executed;

my_time_t execute_at;

my_time_t starts;

my_time_t ends;

my_bool starts_null;

my_bool ends_null;

my_bool execute_at_null;

longlong expression;

interval_type interval;

bool dropped;

uint execution_count;

Event_queue_element();

virtual ~Event_queue_element();

virtual bool

load_from_row(THD *thd, TABLE *table);

bool

compute_next_execution_time();

void

mark_last_executed(THD *thd);

};

class Event_timed : public Event_queue_element

{

Event_timed(const Event_timed &); /* Prevent use of these */

void operator=(Event_timed &);

public:

LEX_STRING body;

LEX_STRING definer_user;

LEX_STRING definer_host;

LEX_STRING comment;

ulonglong created;

ulonglong modified;

ulong sql_mode;

class Stored_program_creation_ctx *creation_ctx;

LEX_STRING body_utf8;

Event_timed();

virtual ~Event_timed();

void

init();

virtual bool

load_from_row(THD *thd, TABLE *table);

int

get_create_event(THD *thd, String *buf);

};

class Event_job_data : public Event_basic

{

public:

LEX_STRING body;

LEX_STRING definer_user;

LEX_STRING definer_host;

ulong sql_mode;

class Stored_program_creation_ctx *creation_ctx;

Event_job_data();

virtual bool

load_from_row(THD *thd, TABLE *table);

bool

execute(THD *thd, bool drop);

private:

bool

construct_sp_sql(THD *thd, String *sp_sql);

bool

construct_drop_event_sql(THD *thd, String *sp_sql);

Event_job_data(const Event_job_data &); /* Prevent use of these */

void operator=(Event_job_data &);

};

/* Compares only the schema part of the identifier */

bool

event_basic_db_equal(LEX_STRING db, Event_basic *et);

/* Compares the whole identifier*/

bool

event_basic_identifier_equal(LEX_STRING db, LEX_STRING name, Event_basic *b);

/**

@} (End of group Event_Scheduler)

#endif /* _EVENT_DATA_OBJECTS_H_ */

mysql/sql/event_data_objects.h at master · sateeshgithub/mysql · GitHub

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