كيفية تعليم MySQL للنظر في الماضي

 DELIMITER $ DROP FUNCTION IF EXISTS gen_bl_trigger$ CREATE FUNCTION gen_bl_trigger(table_name VARCHAR(200), trigger_time VARCHAR(200), trigger_type VARCHAR(200)) RETURNS TEXT BEGIN DECLARE text TEXT; DECLARE f_proc INT; SET group_concat_max_len = 9000000; SET f_proc := (SELECT 1 FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_NAME = CONCAT(table_name, '_trg_proc') AND ROUTINE_TYPE = 'PROCEDURE' AND ROUTINE_SCHEMA = DATABASE() ); IF IFNULL(f_proc, 0) = 0 THEN RETURN ''; END IF; SET text := CONCAT('\nbl_proc: BEGIN IF @disable_', table_name, '_bl_trg = 1 OR @disable_all_bl_trg = 1 THEN LEAVE bl_proc; END IF;'); IF trigger_time = 'BEFORE' THEN --    SET text := CONCAT(text, '\nCREATE TEMPORARY TABLE '); --        INSERT INTO ... ON DUPLICATE KEY UPDATE   IF NOT EXISTS --  INSERT IGNORE   AFTER TRIGGER,    IF trigger_type IN ('INSERT', 'UPDATE') THEN SET text := CONCAT(text, 'IF NOT EXISTS '); END IF; SET text := CONCAT(text, table_name, '_tmp_trg ('); SET text := CONCAT(text, '\ntime VARCHAR(1)'); SET text := CONCAT(text, '\n, type VARCHAR(1)'); SET text := CONCAT(text, '\n, col_changed VARCHAR(1000)'); SET text := CONCAT(text, (SELECT GROUP_CONCAT('\n, new_', COLUMN_NAME, ' ', COLUMN_TYPE , '\n, old_', COLUMN_NAME, ' ', COLUMN_TYPE SEPARATOR '') text FROM INFORMATION_SCHEMA.COLUMNS C WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' )); SET text := CONCAT(text, ') ENGINE=MEMORY;'); --   SET text := CONCAT(text, (SELECT GROUP_CONCAT('\nSET @new_', COLUMN_NAME, ' := ' , IF(trigger_type = 'DELETE', 'NULL', CONCAT('NEW.', COLUMN_NAME)), ';' , '\nSET @old_', COLUMN_NAME, ' := ' , IF(trigger_type = 'INSERT', 'NULL', CONCAT('OLD.', COLUMN_NAME)), ';' SEPARATOR '') text FROM INFORMATION_SCHEMA.COLUMNS C WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' )); END IF; SET text := CONCAT(text, '\nINSERT INTO ', table_name, '_tmp_trg VALUES ("', SUBSTR(trigger_time, 1, 1), '", "', SUBSTR(trigger_type, 1, 1), '", '); --  col_changed  UPDATE IF trigger_type = 'UPDATE' THEN SET text := CONCAT(text, 'CONCAT(' , (SELECT GROUP_CONCAT(CONCAT('IF(IFNULL(NEW.' , COLUMN_NAME, ', "-") != IFNULL(OLD.', COLUMN_NAME, ', "-"), "|', COLUMN_NAME, '|", "")' ) SEPARATOR ', ') text FROM INFORMATION_SCHEMA.COLUMNS C WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' ) , '), '); ELSE SET text := CONCAT(text, 'NULL, '); END IF; --   SET text := CONCAT(text, (SELECT GROUP_CONCAT( CASE WHEN trigger_time = 'BEFORE' THEN CONCAT('@new_', COLUMN_NAME) WHEN trigger_type = 'DELETE' THEN 'NULL' ELSE CONCAT('NEW.', COLUMN_NAME) END , ', ' , CASE WHEN trigger_time = 'BEFORE' THEN CONCAT('@old_', COLUMN_NAME) WHEN trigger_type = 'INSERT' THEN 'NULL' ELSE CONCAT('OLD.', COLUMN_NAME) END SEPARATOR ', ') text FROM INFORMATION_SCHEMA.COLUMNS C WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' )); SET text := CONCAT(text, ');'); SET text := CONCAT(text, '\nCALL ', table_name, '_trg_proc;'); IF trigger_time = 'BEFORE' THEN SET text := CONCAT(text , IF(trigger_type = 'DELETE' , '' , (SELECT CONCAT('\nSELECT ' , GROUP_CONCAT('new_', COLUMN_NAME SEPARATOR ', ') , '\nINTO ', GROUP_CONCAT('@new_', COLUMN_NAME SEPARATOR ', ') , '\nFROM ', table_name, '_tmp_trg;' , GROUP_CONCAT('\nSET NEW.', COLUMN_NAME, ' := @new_', COLUMN_NAME, ';' SEPARATOR '') ) text FROM INFORMATION_SCHEMA.COLUMNS C WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' ) ) ); SET text := CONCAT(text, '\nDELETE FROM ', table_name, '_tmp_trg;'); ELSE SET text := CONCAT(text, '\nDROP TEMPORARY TABLE ', table_name, '_tmp_trg;'); END IF; SET text := CONCAT(text, '\nEND;'); RETURN text; END$ 

 DELIMITER $ DROP FUNCTION IF EXISTS gen_prot_trigger$ CREATE FUNCTION gen_prot_trigger(table_name VARCHAR(200), trigger_time VARCHAR(200), trigger_type VARCHAR(200)) RETURNS TEXT BEGIN DECLARE text TEXT; DECLARE denormalize_columns TEXT; DECLARE denormalize_values TEXT; DECLARE f_exclude_table INT; SET group_concat_max_len = 9000000; --       ,     id    SET f_exclude_table := ( SELECT CASE WHEN pd.id IS NOT NULL THEN 1 WHEN pc.id IS NOT NULL THEN 1 WHEN C.COLUMN_NAME IS NULL THEN 1 END FROM (SELECT NULL FROM dual) d LEFT JOIN protocol_config pd ON pd.command = 'disable_protocol' LEFT JOIN protocol_config pc ON pc.command = 'exclude_table' AND pc.table_name = table_name LEFT JOIN INFORMATION_SCHEMA.COLUMNS C ON C.TABLE_SCHEMA = DATABASE() AND C.TABLE_NAME = table_name AND C.COLUMN_NAME = 'id' ); IF trigger_time = 'BEFORE' OR f_exclude_table = 1 OR table_name IN ('protocol', 'protocol_pos') THEN RETURN ''; END IF; SET text := CONCAT('\nprot_proc: BEGIN DECLARE prot_id INT; IF @disable_', table_name, '_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF;'); --     1 ,     IF trigger_type = 'UPDATE' THEN SET text := CONCAT(text , '\nIF ' , (SELECT GROUP_CONCAT('IFNULL(NEW.' , C.COLUMN_NAME, ', "-") = IFNULL(OLD.', C.COLUMN_NAME, ', "-")' SEPARATOR ' AND ' ) text FROM INFORMATION_SCHEMA.COLUMNS C LEFT JOIN protocol_config ec ON ec.command = 'exclude_column' AND ec.table_name = C.TABLE_NAME AND ec.column_name = C.COLUMN_NAME WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' AND ec.id IS NULL) , ' THEN LEAVE prot_proc; END IF;' ); END IF; --     protocol SELECT IFNULL(GROUP_CONCAT(', ', dc.denormalize_column ORDER BY dc.id SEPARATOR ''), '') denormalize_columns , IFNULL(GROUP_CONCAT(', ' , CASE trigger_type WHEN 'DELETE' THEN 'OLD' ELSE 'NEW' END , dc.column_name ORDER BY dc.id SEPARATOR ', ' ) , '') denormalize_values INTO denormalize_columns, denormalize_values FROM INFORMATION_SCHEMA.COLUMNS C INNER JOIN protocol_config dc ON dc.command = 'denormalize_column' AND dc.table_name = C.TABLE_NAME AND dc.column_name = C.COLUMN_NAME WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() ; --     SET text := CONCAT(text, '\nINSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent' , denormalize_columns, ') SELECT IFNULL(u.email, USER()) username, "', SUBSTR(trigger_type, 1, 1), '", "', table_name, '"' , ', ', CASE trigger_type WHEN 'DELETE' THEN 'OLD' ELSE 'NEW' END, '.id' , ', au.ip, au.user_agent' , denormalize_values, ' FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID();'); --         SET text := CONCAT(text , '\nINSERT INTO protocol_pos (prot_id, column_name, ' , CASE trigger_type WHEN 'INSERT' THEN 'new_val' WHEN 'UPDATE' THEN 'old_val, new_val' WHEN 'DELETE' THEN 'old_val' END , ')\n' , (SELECT GROUP_CONCAT('SELECT prot_id, "', C.COLUMN_NAME, '", ' , CASE WHEN trigger_type = 'UPDATE' THEN CONCAT('OLD.', C.COLUMN_NAME, ', NEW.', C.COLUMN_NAME, ' FROM dual WHERE IFNULL(NEW.', C.COLUMN_NAME, ', "-") != IFNULL(OLD.', C.COLUMN_NAME, ', "-")') WHEN trigger_type = 'INSERT' THEN CONCAT('NEW.', C.COLUMN_NAME) WHEN trigger_type = 'DELETE' THEN CONCAT('OLD.', C.COLUMN_NAME) END SEPARATOR '\nUNION ALL ' ) text FROM INFORMATION_SCHEMA.COLUMNS C LEFT JOIN protocol_config ec ON ec.command = 'exclude_column' AND ec.table_name = C.TABLE_NAME AND ec.column_name = C.COLUMN_NAME WHERE C.TABLE_NAME = table_name AND C.TABLE_SCHEMA = DATABASE() AND C.COLUMN_TYPE != 'text' AND ec.id IS NULL ) , ';\nEND;' ); RETURN text; END$ 

 DELIMITER $ DROP FUNCTION IF EXISTS generate_trigger$ CREATE FUNCTION generate_trigger(table_name VARCHAR(200), trigger_time VARCHAR(200), trigger_type VARCHAR(200)) RETURNS TEXT BEGIN DECLARE text TEXT; DECLARE bl_text TEXT; DECLARE prot_text TEXT; DECLARE trigger_time_short VARCHAR(3); DECLARE trigger_type_short VARCHAR(3); SET group_concat_max_len = 9000000; SET trigger_time_short := LOWER(SUBSTR(trigger_time, 1, 3)); SET trigger_type_short := LOWER(SUBSTR(trigger_type, 1, 3)); SET text := ''; SET text := CONCAT(text, 'DROP TRIGGER IF EXISTS ', table_name, '_', trigger_time_short, '_', trigger_type_short, '_trg$'); SET bl_text := gen_bl_trigger(table_name, trigger_time, trigger_type); SET prot_text := gen_prot_trigger(table_name, trigger_time, trigger_type); IF bl_text = '' AND prot_text = '' THEN RETURN text; END IF; SET text := CONCAT(text, '\nCREATE TRIGGER ', table_name, '_', trigger_time_short, '_', trigger_type_short, '_trg ', trigger_time, ' ', trigger_type, ' ON ', table_name,' FOR EACH ROW trg_proc:BEGIN IF @disable_', table_name, '_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF;' , bl_text , prot_text , '\nEND$\n' ); RETURN text; END$ 

 DELIMITER $ DROP FUNCTION IF EXISTS generate_triggers$ CREATE FUNCTION generate_triggers(p_table_name VARCHAR(200)) RETURNS TEXT BEGIN DECLARE table_name VARCHAR(200); DECLARE text TEXT; SET group_concat_max_len = 9000000; SET table_name := p_table_name; SET text := ''; SET text := (SELECT GROUP_CONCAT(generate_trigger(table_name, trigger_time, trigger_type) SEPARATOR '\n') FROM (SELECT 'BEFORE' trigger_time UNION ALL SELECT 'AFTER' trigger_time) trigger_time , (SELECT 'INSERT' trigger_type UNION ALL SELECT 'UPDATE' trigger_type UNION ALL SELECT 'DELETE' trigger_type ) trigger_type); RETURN text; END$ 

 SELECT table_name, comment, rows_cn, data_len_mb , MAX(need_bl_trg) need_bl_trg , MAX(exclude_prot) exclude_prot , MAX(CASE WHEN action_statement != gen_trg THEN CONCAT('SELECT generate_triggers("', table_name, '")') WHEN gen_trg IS NULL AND (exclude_prot IS NULL OR need_bl_trg = 1) THEN CONCAT('SELECT generate_triggers("', table_name, '")') END ) create_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot, action_statement, gen_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot , CONCAT(SUBSTRING_INDEX(gen_trg, '\n', 2), '\n', action_statement, '$', '\n') action_statement , gen_trg FROM ( SELECT t.TABLE_NAME table_name , t.TABLE_COMMENT comment , t.TABLE_ROWS rows_cn , ROUND(t.DATA_LENGTH / 1024 / 1024, 2) data_len_mb , CASE WHEN r.ROUTINE_NAME IS NOT NULL THEN 1 END need_bl_trg , CASE WHEN pd.id IS NOT NULL THEN ' ' WHEN pc.id IS NOT NULL THEN ' ' WHEN t.TABLE_NAME IN ('protocol', 'protocol_pos') THEN ' ' WHEN C.COLUMN_NAME IS NULL THEN '  id' END exclude_prot , tr.ACTION_STATEMENT action_statement , generate_trigger(tr.EVENT_OBJECT_TABLE, tr.ACTION_TIMING, tr.EVENT_MANIPULATION) gen_trg FROM INFORMATION_SCHEMA.TABLES t LEFT JOIN INFORMATION_SCHEMA.ROUTINES r ON r.ROUTINE_NAME = CONCAT(t.TABLE_NAME, '_trg_proc') AND r.ROUTINE_TYPE = 'PROCEDURE' AND r.ROUTINE_SCHEMA = t.TABLE_SCHEMA LEFT JOIN protocol_config pd ON pd.command = 'disable_protocol' LEFT JOIN protocol_config pc ON pc.command = 'exclude_table' AND pc.table_name = t.TABLE_NAME LEFT JOIN INFORMATION_SCHEMA.COLUMNS C ON C.TABLE_SCHEMA = t.TABLE_SCHEMA AND C.TABLE_NAME = t.TABLE_NAME AND C.COLUMN_NAME = 'id' LEFT JOIN INFORMATION_SCHEMA.TRIGGERS tr ON tr.TRIGGER_SCHEMA = t.TABLE_SCHEMA AND tr.EVENT_OBJECT_TABLE = t.TABLE_NAME WHERE t.TABLE_SCHEMA = DATABASE() AND t.TABLE_TYPE = 'BASE TABLE' AND t.ENGINE = 'InnoDB' ) d) d) d GROUP BY table_name, comment, rows_cn, data_len_mb ORDER BY table_name ; 

 SELECT GROUP_CONCAT(create_trg SEPARATOR '\nUNION ALL ') sql_text FROM ( SELECT table_name, comment, rows_cn, data_len_mb , MAX(need_bl_trg) need_bl_trg , MAX(exclude_prot) exclude_prot , MAX(CASE WHEN action_statement != gen_trg THEN CONCAT('SELECT generate_triggers("', table_name, '")') WHEN gen_trg IS NULL AND (exclude_prot IS NULL OR need_bl_trg = 1) THEN CONCAT('SELECT generate_triggers("', table_name, '")') END ) create_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot, action_statement, gen_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot , CONCAT(SUBSTRING_INDEX(gen_trg, '\n', 2), '\n', action_statement, '$', '\n') action_statement , gen_trg FROM ( SELECT t.TABLE_NAME table_name , t.TABLE_COMMENT comment , t.TABLE_ROWS rows_cn , ROUND(t.DATA_LENGTH / 1024 / 1024, 2) data_len_mb , CASE WHEN r.ROUTINE_NAME IS NOT NULL THEN 1 END need_bl_trg , CASE WHEN pd.id IS NOT NULL THEN ' ' WHEN pc.id IS NOT NULL THEN ' ' WHEN t.TABLE_NAME IN ('protocol', 'protocol_pos') THEN ' ' WHEN C.COLUMN_NAME IS NULL THEN '  id' END exclude_prot , tr.ACTION_STATEMENT action_statement , generate_trigger(tr.EVENT_OBJECT_TABLE, tr.ACTION_TIMING, tr.EVENT_MANIPULATION) gen_trg FROM INFORMATION_SCHEMA.TABLES t LEFT JOIN INFORMATION_SCHEMA.ROUTINES r ON r.ROUTINE_NAME = CONCAT(t.TABLE_NAME, '_trg_proc') AND r.ROUTINE_TYPE = 'PROCEDURE' AND r.ROUTINE_SCHEMA = t.TABLE_SCHEMA LEFT JOIN protocol_config pd ON pd.command = 'disable_protocol' LEFT JOIN protocol_config pc ON pc.command = 'exclude_table' AND pc.table_name = t.TABLE_NAME LEFT JOIN INFORMATION_SCHEMA.COLUMNS C ON C.TABLE_SCHEMA = t.TABLE_SCHEMA AND C.TABLE_NAME = t.TABLE_NAME AND C.COLUMN_NAME = 'id' LEFT JOIN INFORMATION_SCHEMA.TRIGGERS tr ON tr.TRIGGER_SCHEMA = t.TABLE_SCHEMA AND tr.EVENT_OBJECT_TABLE = t.TABLE_NAME WHERE t.TABLE_SCHEMA = DATABASE() AND t.TABLE_TYPE = 'BASE TABLE' AND t.ENGINE = 'InnoDB' ) d) d) d GROUP BY table_name, comment, rows_cn, data_len_mb ORDER BY table_name ) d ; 

 DROP TRIGGER IF EXISTS docs_bef_ins_trg$ DROP TRIGGER IF EXISTS docs_aft_ins_trg$ CREATE TRIGGER docs_aft_ins_trg AFTER INSERT ON docs FOR EACH ROW trg_proc:BEGIN IF @disable_docs_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_docs_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "I", "docs", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, new_val) SELECT prot_id, "id", NEW.id UNION ALL SELECT prot_id, "num", NEW.num UNION ALL SELECT prot_id, "date", NEW.date UNION ALL SELECT prot_id, "warehouse", NEW.warehouse UNION ALL SELECT prot_id, "partner", NEW.partner; END; END$ DROP TRIGGER IF EXISTS docs_bef_upd_trg$ DROP TRIGGER IF EXISTS docs_aft_upd_trg$ CREATE TRIGGER docs_aft_upd_trg AFTER UPDATE ON docs FOR EACH ROW trg_proc:BEGIN IF @disable_docs_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_docs_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; IF IFNULL(NEW.id, "-") = IFNULL(OLD.id, "-") AND IFNULL(NEW.num, "-") = IFNULL(OLD.num, "-") AND IFNULL(NEW.date, "-") = IFNULL(OLD.date, "-") AND IFNULL(NEW.warehouse, "-") = IFNULL(OLD.warehouse, "-") AND IFNULL(NEW.partner, "-") = IFNULL(OLD.partner, "-") THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "U", "docs", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val, new_val) SELECT prot_id, "id", OLD.id, NEW.id FROM dual WHERE IFNULL(NEW.id, "-") != IFNULL(OLD.id, "-") UNION ALL SELECT prot_id, "num", OLD.num, NEW.num FROM dual WHERE IFNULL(NEW.num, "-") != IFNULL(OLD.num, "-") UNION ALL SELECT prot_id, "date", OLD.date, NEW.date FROM dual WHERE IFNULL(NEW.date, "-") != IFNULL(OLD.date, "-") UNION ALL SELECT prot_id, "warehouse", OLD.warehouse, NEW.warehouse FROM dual WHERE IFNULL(NEW.warehouse, "-") != IFNULL(OLD.warehouse, "-") UNION ALL SELECT prot_id, "partner", OLD.partner, NEW.partner FROM dual WHERE IFNULL(NEW.partner, "-") != IFNULL(OLD.partner, "-"); END; END$ DROP TRIGGER IF EXISTS docs_bef_del_trg$ DROP TRIGGER IF EXISTS docs_aft_del_trg$ CREATE TRIGGER docs_aft_del_trg AFTER DELETE ON docs FOR EACH ROW trg_proc:BEGIN IF @disable_docs_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_docs_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "D", "docs", OLD.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val) SELECT prot_id, "id", OLD.id UNION ALL SELECT prot_id, "num", OLD.num UNION ALL SELECT prot_id, "date", OLD.date UNION ALL SELECT prot_id, "warehouse", OLD.warehouse UNION ALL SELECT prot_id, "partner", OLD.partner; END; END$ DROP TRIGGER IF EXISTS users_bef_ins_trg$ DROP TRIGGER IF EXISTS users_aft_ins_trg$ CREATE TRIGGER users_aft_ins_trg AFTER INSERT ON users FOR EACH ROW trg_proc:BEGIN IF @disable_users_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_users_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "I", "users", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, new_val) SELECT prot_id, "id", NEW.id UNION ALL SELECT prot_id, "email", NEW.email UNION ALL SELECT prot_id, "pass", NEW.pass; END; END$ DROP TRIGGER IF EXISTS users_bef_upd_trg$ DROP TRIGGER IF EXISTS users_aft_upd_trg$ CREATE TRIGGER users_aft_upd_trg AFTER UPDATE ON users FOR EACH ROW trg_proc:BEGIN IF @disable_users_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_users_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; IF IFNULL(NEW.id, "-") = IFNULL(OLD.id, "-") AND IFNULL(NEW.email, "-") = IFNULL(OLD.email, "-") AND IFNULL(NEW.pass, "-") = IFNULL(OLD.pass, "-") THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "U", "users", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val, new_val) SELECT prot_id, "id", OLD.id, NEW.id FROM dual WHERE IFNULL(NEW.id, "-") != IFNULL(OLD.id, "-") UNION ALL SELECT prot_id, "email", OLD.email, NEW.email FROM dual WHERE IFNULL(NEW.email, "-") != IFNULL(OLD.email, "-") UNION ALL SELECT prot_id, "pass", OLD.pass, NEW.pass FROM dual WHERE IFNULL(NEW.pass, "-") != IFNULL(OLD.pass, "-"); END; END$ DROP TRIGGER IF EXISTS users_bef_del_trg$ DROP TRIGGER IF EXISTS users_aft_del_trg$ CREATE TRIGGER users_aft_del_trg AFTER DELETE ON users FOR EACH ROW trg_proc:BEGIN IF @disable_users_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_users_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "D", "users", OLD.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val) SELECT prot_id, "id", OLD.id UNION ALL SELECT prot_id, "email", OLD.email UNION ALL SELECT prot_id, "pass", OLD.pass; END; END$ DROP TRIGGER IF EXISTS doc_pos_bef_ins_trg$ DROP TRIGGER IF EXISTS doc_pos_aft_ins_trg$ CREATE TRIGGER doc_pos_aft_ins_trg AFTER INSERT ON doc_pos FOR EACH ROW trg_proc:BEGIN IF @disable_doc_pos_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_doc_pos_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "I", "doc_pos", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, new_val) SELECT prot_id, "id", NEW.id UNION ALL SELECT prot_id, "doc_id", NEW.doc_id UNION ALL SELECT prot_id, "material", NEW.material UNION ALL SELECT prot_id, "amount", NEW.amount UNION ALL SELECT prot_id, "price", NEW.price; END; END$ DROP TRIGGER IF EXISTS doc_pos_bef_upd_trg$ DROP TRIGGER IF EXISTS doc_pos_aft_upd_trg$ CREATE TRIGGER doc_pos_aft_upd_trg AFTER UPDATE ON doc_pos FOR EACH ROW trg_proc:BEGIN IF @disable_doc_pos_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_doc_pos_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; IF IFNULL(NEW.id, "-") = IFNULL(OLD.id, "-") AND IFNULL(NEW.doc_id, "-") = IFNULL(OLD.doc_id, "-") AND IFNULL(NEW.material, "-") = IFNULL(OLD.material, "-") AND IFNULL(NEW.amount, "-") = IFNULL(OLD.amount, "-") AND IFNULL(NEW.price, "-") = IFNULL(OLD.price, "-") THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "U", "doc_pos", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val, new_val) SELECT prot_id, "id", OLD.id, NEW.id FROM dual WHERE IFNULL(NEW.id, "-") != IFNULL(OLD.id, "-") UNION ALL SELECT prot_id, "doc_id", OLD.doc_id, NEW.doc_id FROM dual WHERE IFNULL(NEW.doc_id, "-") != IFNULL(OLD.doc_id, "-") UNION ALL SELECT prot_id, "material", OLD.material, NEW.material FROM dual WHERE IFNULL(NEW.material, "-") != IFNULL(OLD.material, "-") UNION ALL SELECT prot_id, "amount", OLD.amount, NEW.amount FROM dual WHERE IFNULL(NEW.amount, "-") != IFNULL(OLD.amount, "-") UNION ALL SELECT prot_id, "price", OLD.price, NEW.price FROM dual WHERE IFNULL(NEW.price, "-") != IFNULL(OLD.price, "-"); END; END$ DROP TRIGGER IF EXISTS doc_pos_bef_del_trg$ DROP TRIGGER IF EXISTS doc_pos_aft_del_trg$ CREATE TRIGGER doc_pos_aft_del_trg AFTER DELETE ON doc_pos FOR EACH ROW trg_proc:BEGIN IF @disable_doc_pos_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_doc_pos_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "D", "doc_pos", OLD.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val) SELECT prot_id, "id", OLD.id UNION ALL SELECT prot_id, "doc_id", OLD.doc_id UNION ALL SELECT prot_id, "material", OLD.material UNION ALL SELECT prot_id, "amount", OLD.amount UNION ALL SELECT prot_id, "price", OLD.price; END; END$ DROP TRIGGER IF EXISTS protocol_config_bef_ins_trg$ DROP TRIGGER IF EXISTS protocol_config_aft_ins_trg$ CREATE TRIGGER protocol_config_aft_ins_trg AFTER INSERT ON protocol_config FOR EACH ROW trg_proc:BEGIN IF @disable_protocol_config_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_protocol_config_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "I", "protocol_config", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, new_val) SELECT prot_id, "id", NEW.id UNION ALL SELECT prot_id, "command", NEW.command UNION ALL SELECT prot_id, "table_name", NEW.table_name UNION ALL SELECT prot_id, "column_name", NEW.column_name UNION ALL SELECT prot_id, "denormalize_column", NEW.denormalize_column; END; END$ DROP TRIGGER IF EXISTS protocol_config_bef_upd_trg$ DROP TRIGGER IF EXISTS protocol_config_aft_upd_trg$ CREATE TRIGGER protocol_config_aft_upd_trg AFTER UPDATE ON protocol_config FOR EACH ROW trg_proc:BEGIN IF @disable_protocol_config_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_protocol_config_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; IF IFNULL(NEW.id, "-") = IFNULL(OLD.id, "-") AND IFNULL(NEW.command, "-") = IFNULL(OLD.command, "-") AND IFNULL(NEW.table_name, "-") = IFNULL(OLD.table_name, "-") AND IFNULL(NEW.column_name, "-") = IFNULL(OLD.column_name, "-") AND IFNULL(NEW.denormalize_column, "-") = IFNULL(OLD.denormalize_column, "-") THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "U", "protocol_config", NEW.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val, new_val) SELECT prot_id, "id", OLD.id, NEW.id FROM dual WHERE IFNULL(NEW.id, "-") != IFNULL(OLD.id, "-") UNION ALL SELECT prot_id, "command", OLD.command, NEW.command FROM dual WHERE IFNULL(NEW.command, "-") != IFNULL(OLD.command, "-") UNION ALL SELECT prot_id, "table_name", OLD.table_name, NEW.table_name FROM dual WHERE IFNULL(NEW.table_name, "-") != IFNULL(OLD.table_name, "-") UNION ALL SELECT prot_id, "column_name", OLD.column_name, NEW.column_name FROM dual WHERE IFNULL(NEW.column_name, "-") != IFNULL(OLD.column_name, "-") UNION ALL SELECT prot_id, "denormalize_column", OLD.denormalize_column, NEW.denormalize_column FROM dual WHERE IFNULL(NEW.denormalize_column, "-") != IFNULL(OLD.denormalize_column, "-"); END; END$ DROP TRIGGER IF EXISTS protocol_config_bef_del_trg$ DROP TRIGGER IF EXISTS protocol_config_aft_del_trg$ CREATE TRIGGER protocol_config_aft_del_trg AFTER DELETE ON protocol_config FOR EACH ROW trg_proc:BEGIN IF @disable_protocol_config_trg = 1 OR @disable_all_trg = 1 THEN LEAVE trg_proc; END IF; prot_proc: BEGIN DECLARE prot_id INT; IF @disable_protocol_config_prot_trg = 1 OR @disable_all_prot_trg = 1 THEN LEAVE prot_proc; END IF; INSERT INTO protocol (username, oper, table_name, table_id, ip, user_agent) SELECT IFNULL(u.email, USER()) username, "D", "protocol_config", OLD.id, au.ip, au.user_agent FROM (SELECT NULL FROM dual) d LEFT JOIN auth_users au ON au.conn_id = CONNECTION_ID() LEFT JOIN users u ON u.id = au.user_id; SET prot_id := LAST_INSERT_ID(); INSERT INTO protocol_pos (prot_id, column_name, old_val) SELECT prot_id, "id", OLD.id UNION ALL SELECT prot_id, "command", OLD.command UNION ALL SELECT prot_id, "table_name", OLD.table_name UNION ALL SELECT prot_id, "column_name", OLD.column_name UNION ALL SELECT prot_id, "denormalize_column", OLD.denormalize_column; END; END$ 

 DELIMITER ; SELECT table_name, comment, rows_cn, data_len_mb , MAX(need_bl_trg) need_bl_trg , MAX(exclude_prot) exclude_prot , MAX(CASE WHEN action_statement != gen_trg THEN CONCAT('SELECT generate_triggers("', table_name, '")') WHEN gen_trg IS NULL AND (exclude_prot IS NULL OR need_bl_trg = 1) THEN CONCAT('SELECT generate_triggers("', table_name, '")') END ) create_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot, action_statement, gen_trg FROM ( SELECT table_name, comment, rows_cn, data_len_mb, need_bl_trg, exclude_prot , CONCAT(SUBSTRING_INDEX(gen_trg, '\n', 2), '\n', action_statement, '$', '\n') action_statement , gen_trg FROM ( SELECT t.TABLE_NAME table_name , t.TABLE_COMMENT comment , t.TABLE_ROWS rows_cn , ROUND(t.DATA_LENGTH / 1024 / 1024, 2) data_len_mb , CASE WHEN r.ROUTINE_NAME IS NOT NULL THEN 1 END need_bl_trg , CASE WHEN pd.id IS NOT NULL THEN ' ' WHEN pc.id IS NOT NULL THEN ' ' WHEN t.TABLE_NAME IN ('protocol', 'protocol_pos') THEN ' ' WHEN C.COLUMN_NAME IS NULL THEN '  id' END exclude_prot , tr.ACTION_STATEMENT action_statement , generate_trigger(tr.EVENT_OBJECT_TABLE, tr.ACTION_TIMING, tr.EVENT_MANIPULATION) gen_trg FROM INFORMATION_SCHEMA.TABLES t LEFT JOIN INFORMATION_SCHEMA.ROUTINES r ON r.ROUTINE_NAME = CONCAT(t.TABLE_NAME, '_trg_proc') AND r.ROUTINE_TYPE = 'PROCEDURE' AND r.ROUTINE_SCHEMA = t.TABLE_SCHEMA LEFT JOIN protocol_config pd ON pd.command = 'disable_protocol' LEFT JOIN protocol_config pc ON pc.command = 'exclude_table' AND pc.table_name = t.TABLE_NAME LEFT JOIN INFORMATION_SCHEMA.COLUMNS C ON C.TABLE_SCHEMA = t.TABLE_SCHEMA AND C.TABLE_NAME = t.TABLE_NAME AND C.COLUMN_NAME = 'id' LEFT JOIN INFORMATION_SCHEMA.TRIGGERS tr ON tr.TRIGGER_SCHEMA = t.TABLE_SCHEMA AND tr.EVENT_OBJECT_TABLE = t.TABLE_NAME WHERE t.TABLE_SCHEMA = DATABASE() AND t.TABLE_TYPE = 'BASE TABLE' AND t.ENGINE = 'InnoDB' ) d) d) d GROUP BY table_name, comment, rows_cn, data_len_mb ORDER BY table_name ; 

 SELECT id, date, oper, table_name, table_id , (SELECT CONCAT('<table class="table table-bordered" style="width: 100%; margin: -9px;">' , GROUP_CONCAT('<tr><td style="font-weight: bold; width: 20%;">', pp.column_name, '</td>' , '<td style="width: 40%;">', IFNULL(pp.old_val, "<span style='color: #FF0000; font-style: italic;'>NULL</span>"), '</td>' , '<td style="width: 40%;">', IFNULL(pp.new_val, "<span style='color: #FF0000; font-style: italic;'>NULL</span>"), '</td></tr>' SEPARATOR '' ) , '</table>' ) FROM protocol_pos pp WHERE pp.prot_id = p.id ) vals , p.username FROM protocol p; 

 SELECT id, date, oper, table_name, table_id , (SELECT GROUP_CONCAT(pp.column_name, ': (' , IFNULL(pp.old_val, 'NULL') , ', ' , IFNULL(pp.new_val, 'NULL') , ')' SEPARATOR ', ' ) FROM protocol_pos pp WHERE pp.prot_id = p.id ) vals , p.username FROM protocol p; 

+ ---- + --------------------- + ------ + ------------ + - -------- + ----------------------------------------- -------------------------------------------------- --------------------------------- + ---------------- --- +
 | id | date | oper | table_name | table_id | vals | username |
+----+---------------------+------+------------+----------+----------------------------------------------------------------------------------------------------------------------------+-------------------+
 | 1 | 2018-10-09 17:21:27 | I | users | 1 | email: (NULL, test@test.ru), id: (NULL, 1), pass: (NULL, 12345) | admin@myhosting.ru|
 | 2 | 2018-10-09 17:21:51 | I | docs | 1 | date: (NULL, 2018-07-17), id: (NULL, 1), num: (NULL, 1), partner: (NULL, , ), warehouse: (NULL,  ) | test@test.ru |
 | 3 | 2018-10-09 17:21:51 | I | doc_pos | 1 | amount: (NULL, 10), doc_id: (NULL, 1), id: (NULL, 1), material: (NULL,  ), price: (NULL, 52) | test@test.ru |
 | 4 | 2018-10-09 17:21:51 | I | doc_pos | 2 | amount: (NULL, 20), doc_id: (NULL, 1), id: (NULL, 2), material: (NULL,  ), price: (NULL, 165) | test@test.ru |
 | 5 | 2018-10-09 17:21:51 | I | doc_pos | 3 | amount: (NULL, 7), doc_id: (NULL, 1), id: (NULL, 3), material: (NULL,  ), price: (NULL, 30) | test@test.ru |
 | 6 | 2018-10-09 17:24:27 | U | docs | 1 | date: (2018-07-17, 2018-07-16) | test@test.ru |
 | 7 | 2018-10-09 17:24:27 | D | doc_pos | 3 | amount: (7, NULL), doc_id: (1, NULL), id: (3, NULL), material: ( , NULL), price: (30, NULL) | test@test.ru |
 | 8 | 2018-10-09 17:24:27 | U | doc_pos | 2 | material: ( ,  ), price: (165, 105) | test@test.ru |
 | 9 | 2018-10-09 17:24:27 | I | docs | 2 | date: (NULL, 2018-07-18), id: (NULL, 2), num: (NULL, 2), partner: (NULL, , ), warehouse: (NULL,  )| test@test.ru |
 | 10 | 2018-10-09 17:24:27 | I | doc_pos | 4 | amount: (NULL, 5), doc_id: (NULL, 2), id: (NULL, 4), material: (NULL,  10*15), price: (NULL, 102) | test@test.ru |
 | 11 | 2018-10-09 17:24:27 | I | doc_pos | 5 | amount: (NULL, 2), doc_id: (NULL, 2), id: (NULL, 5), material: (NULL,  4), price: (NULL, 165) | test@test.ru |
+----+---------------------+------+------------+----------+----------------------------------------------------------------------------------------------------------------------------+-------------------+

 DELIMITER $ DROP PROCEDURE IF EXISTS exec_protocol$ CREATE PROCEDURE exec_protocol(p_prot_id BIGINT, direction INT) BEGIN DECLARE p_sql_text TEXT; DECLARE done INT DEFAULT FALSE; DECLARE cur CURSOR FOR SELECT CONCAT( CASE WHEN p.oper = 'I' AND direction = 1 OR p.oper = 'D' AND direction = -1 THEN 'INSERT INTO' WHEN p.oper = 'U' THEN 'UPDATE' WHEN p.oper = 'D' AND direction = 1 OR p.oper = 'I' AND direction = -1 THEN 'DELETE FROM' END , ' ', p.table_name, ' ' , CASE WHEN p.oper = 'I' AND direction = 1 OR p.oper = 'D' AND direction = -1 THEN CONCAT('(', GROUP_CONCAT(pos.column_name ORDER BY pos.column_name SEPARATOR ', '), ')' , ' VALUES (', GROUP_CONCAT(QUOTE(CASE direction WHEN 1 THEN pos.new_val WHEN -1 THEN pos.old_val END) ORDER BY pos.column_name SEPARATOR ', ' ) , ')' ) WHEN p.oper = 'U' THEN CONCAT('SET ', GROUP_CONCAT(pos.column_name , ' = ', QUOTE(CASE direction WHEN 1 THEN pos.new_val WHEN -1 THEN pos.old_val END) ORDER BY pos.column_name SEPARATOR ', ' ) , ' WHERE id = ', p.table_id ) WHEN p.oper = 'D' AND direction = 1 OR p.oper = 'I' AND direction = -1 THEN CONCAT('WHERE id = ', p.table_id) END ) sql_text FROM protocol p INNER JOIN protocol_pos pos ON p.id = pos.prot_id WHERE p.id = p_prot_id ; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur; read_loop: LOOP FETCH cur INTO p_sql_text; IF done THEN LEAVE read_loop; END IF; SET @exec_protocol_sql_text := p_sql_text; SET @disable_all_prot_trg = 1; -- SELECT @exec_protocol_sql_text; PREPARE c_sql FROM @exec_protocol_sql_text; EXECUTE c_sql; DEALLOCATE PREPARE c_sql; SET @disable_all_prot_trg = NULL; END LOOP; CLOSE cur; END$ 

 DELIMITER $ DROP PROCEDURE IF EXISTS set_prot_snapshot_id$ CREATE PROCEDURE set_prot_snapshot_id(p_beg_prot_id BIGINT, p_end_prot_id BIGINT, direction INT) BEGIN DECLARE p_prot_id BIGINT; DECLARE done INT DEFAULT FALSE; DECLARE cur CURSOR FOR SELECT p.id FROM protocol p WHERE p.id >= p_beg_prot_id AND (p.id <= p_end_prot_id OR p_end_prot_id IS NULL) ORDER BY p.id * direction ; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur; read_loop: LOOP FETCH cur INTO p_prot_id; IF done THEN LEAVE read_loop; END IF; CALL exec_protocol(p_prot_id, SIGN(direction)); --  direction = -2,       IF direction = -2 THEN DELETE FROM protocol WHERE id = p_prot_id; END IF; END LOOP; CLOSE cur; END$ 

 DELIMITER $ DROP PROCEDURE IF EXISTS set_prot_snapshot_date$ CREATE PROCEDURE set_prot_snapshot_date(p_beg_date TIMESTAMP, p_end_date TIMESTAMP, direction INT) BEGIN DECLARE beg_prot_id BIGINT; DECLARE end_prot_id BIGINT; SET beg_prot_id := (SELECT id FROM protocol WHERE date >= p_beg_date ORDER BY id LIMIT 1); SET end_prot_id := (SELECT id FROM protocol WHERE date <= p_end_date ORDER BY id DESC LIMIT 1); CALL set_prot_snapshot_id(beg_prot_id, end_prot_id, direction); END$ 

 DELIMITER $ DROP PROCEDURE IF EXISTS speed_test$ CREATE PROCEDURE speed_test(n INT) BEGIN DECLARE i INT DEFAULT 0; WHILE i < n DO INSERT INTO docs (num, date, warehouse, partner) VALUES (CONCAT('', i), DATE(NOW()), ' ', ', '); SET i := i + 1; END WHILE; END$ -- 1.     DELIMITER ; BEGIN; CALL speed_test(10000); ROLLBACK; MariaDB [test-habr]> DELIMITER ; MariaDB [test-habr]> BEGIN; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> CALL speed_test(10000); Query OK, 1 row affected (6.89 sec) MariaDB [test-habr]> ROLLBACK; Query OK, 0 rows affected (0.88 sec) -- 2.  ,    DELIMITER ; BEGIN; SET @disable_all_prot_trg = 1; CALL speed_test(10000); SET @disable_all_prot_trg = NULL; ROLLBACK; MariaDB [test-habr]> DELIMITER ; MariaDB [test-habr]> BEGIN; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> SET @disable_all_prot_trg = 1; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> CALL speed_test(10000); Query OK, 1 row affected (2.17 sec) MariaDB [test-habr]> SET @disable_all_prot_trg = NULL; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> ROLLBACK; Query OK, 0 rows affected (0.12 sec) -- 3.   DELIMITER ; DROP TRIGGER IF EXISTS docs_aft_ins_trg; BEGIN; CALL speed_test(10000); ROLLBACK; MariaDB [test-habr]> DELIMITER ; MariaDB [test-habr]> DROP TRIGGER IF EXISTS docs_aft_ins_trg; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> BEGIN; Query OK, 0 rows affected (0.00 sec) MariaDB [test-habr]> CALL speed_test(10000); Query OK, 1 row affected (1.37 sec) MariaDB [test-habr]> ROLLBACK; Query OK, 0 rows affected (0.12 sec)