1set sql_mode=""; 2call mtr.add_suppression("Column count of mysql.event is wrong. Expected .*, found .*\. The table is probably corrupted"); 3drop database if exists events_test; 4drop database if exists db_x; 5drop database if exists mysqltest_db2; 6drop database if exists mysqltest_no_such_database; 7create database events_test; 8use events_test; 9CREATE USER pauline@localhost; 10CREATE DATABASE db_x; 11GRANT EVENT ON db_x.* TO pauline@localhost; 12USE db_x; 13CREATE TABLE x_table(a int); 14connect priv_conn,localhost,pauline,,db_x; 15CREATE EVENT e_x1 ON SCHEDULE EVERY 1 SECOND DO DROP DATABASE db_x; 16Warnings: 17Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 18CREATE EVENT e_x2 ON SCHEDULE EVERY 1 SECOND DO DROP TABLE x_table; 19Warnings: 20Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 21connection default; 22SHOW DATABASES LIKE 'db_x'; 23Database (db_x) 24db_x 25SET GLOBAL event_scheduler=1; 26SHOW DATABASES LIKE 'db_x'; 27Database (db_x) 28db_x 29SHOW TABLES FROM db_x; 30Tables_in_db_x 31x_table 32SET GLOBAL event_scheduler=off; 33connection priv_conn; 34DROP EVENT e_x1; 35DROP EVENT e_x2; 36disconnect priv_conn; 37connection default; 38DROP DATABASE db_x; 39DROP USER pauline@localhost; 40USE events_test; 41SET GLOBAL event_scheduler=off; 42drop event if exists event1; 43Warnings: 44Note 1305 Event event1 does not exist 45create event event1 on schedule every 15 minute starts now() ends date_add(now(), interval 5 hour) DO begin end; 46Warnings: 47Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 48alter event event1 rename to event2 enable; 49alter event event2 disable; 50alter event event2 enable; 51alter event event2 on completion not preserve; 52alter event event2 on schedule every 1 year on completion preserve rename to event3 comment "new comment" do begin select 1; end__ 53alter event event3 rename to event2; 54drop event event2; 55create event event2 on schedule every 2 second starts now() ends date_add(now(), interval 5 hour) comment "some" DO begin end; 56Warnings: 57Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 58drop event event2; 59CREATE EVENT event_starts_test ON SCHEDULE EVERY 10 SECOND COMMENT "" DO SELECT 1; 60Warnings: 61Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 62SELECT interval_field, interval_value, body FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 63interval_field interval_value body 64SECOND 10 SELECT 1 65SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 66execute_at IS NULL starts IS NULL ends IS NULL comment 671 0 1 68ALTER EVENT event_starts_test ON SCHEDULE AT '1970-01-02 00:00:00' ON COMPLETION PRESERVE DISABLE; 69SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 70execute_at IS NULL starts IS NULL ends IS NULL comment 710 1 1 72ALTER EVENT event_starts_test COMMENT "non-empty comment"; 73SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 74execute_at IS NULL starts IS NULL ends IS NULL comment 750 1 1 non-empty comment 76ALTER EVENT event_starts_test COMMENT ""; 77SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 78execute_at IS NULL starts IS NULL ends IS NULL comment 790 1 1 80DROP EVENT event_starts_test; 81CREATE EVENT event_starts_test ON SCHEDULE EVERY 20 SECOND STARTS '1970-01-02 00:00:00' ENDS '1970-01-03 00:00:00' ON COMPLETION PRESERVE DISABLE DO SELECT 2; 82Warnings: 83Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 84SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 85execute_at IS NULL starts IS NULL ends IS NULL comment 861 0 0 87ALTER EVENT event_starts_test COMMENT "non-empty comment"; 88SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 89execute_at IS NULL starts IS NULL ends IS NULL comment 901 0 0 non-empty comment 91ALTER EVENT event_starts_test COMMENT ""; 92SELECT execute_at IS NULL, starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test'; 93execute_at IS NULL starts IS NULL ends IS NULL comment 941 0 0 95DROP EVENT event_starts_test; 96create table test_nested(a int); 97create event e_43 on schedule every 1 second do set @a = 5; 98Warnings: 99Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 100alter event e_43 do alter event e_43 do set @a = 4; 101ERROR HY000: Recursion of EVENT DDL statements is forbidden when body is present 102alter event e_43 do 103begin 104alter event e_43 on schedule every 5 minute; 105insert into test_nested values(1); 106end| 107set global event_scheduler = on; 108select db, name, body, status, interval_field, interval_value from mysql.event; 109db name body status interval_field interval_value 110events_test e_43 begin 111alter event e_43 on schedule every 5 minute; 112insert into test_nested values(1); 113end ENABLED MINUTE 5 114drop event e_43; 115drop table test_nested; 116"Let's check whether we can use non-qualified names" 117create table non_qualif(a int); 118create event non_qualif_ev on schedule every 10 minute do insert into non_qualif values (800219); 119select * from non_qualif; 120a 121800219 122drop event non_qualif_ev; 123drop table non_qualif; 124alter event non_existant rename to non_existant_too; 125ERROR HY000: Unknown event 'non_existant' 126set global event_scheduler = off; 127create event existant on schedule at now() + interval 1 year do select 12; 128Warnings: 129Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 130alter event non_existant rename to existant; 131ERROR HY000: Event 'existant' already exists 132alter event existant rename to events_test.existant; 133ERROR HY000: Same old and new event name 134drop event existant; 135create table t_event3 (a int, b float); 136drop event if exists event3; 137Warnings: 138Note 1305 Event event3 does not exist 139create event event3 on schedule every 50 + 10 minute starts date_add(curdate(), interval 5 minute) ends date_add(curdate(), interval 5 day) comment "portokala_comment" DO insert into t_event3 values (unix_timestamp(), rand()); 140Warnings: 141Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 142select count(*) from t_event3; 143count(*) 1440 145drop event event3; 146drop table t_event3; 147set names utf8; 148CREATE EVENT root6 ON SCHEDULE EVERY '10:20' MINUTE_SECOND ON COMPLETION PRESERVE ENABLE COMMENT 'some comment' DO select 1; 149Warnings: 150Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 151SHOW CREATE EVENT root6; 152Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 153root6 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root6` ON SCHEDULE EVERY '10:20' MINUTE_SECOND STARTS '#' ON COMPLETION PRESERVE ENABLE COMMENT 'some comment' DO select 1 utf8 utf8_general_ci latin1_swedish_ci 154create event root7 on schedule every 2 year do select 1; 155Warnings: 156Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 157SHOW CREATE EVENT root7; 158Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 159root7 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root7` ON SCHEDULE EVERY 2 YEAR STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 160create event root8 on schedule every '2:5' year_month do select 1; 161Warnings: 162Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 163SHOW CREATE EVENT root8; 164Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 165root8 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root8` ON SCHEDULE EVERY '2-5' YEAR_MONTH STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 166create event root8_1 on schedule every '2:15' year_month do select 1; 167Warnings: 168Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 169SHOW CREATE EVENT root8_1; 170Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 171root8_1 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root8_1` ON SCHEDULE EVERY '3-3' YEAR_MONTH STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 172create event root9 on schedule every 2 week ON COMPLETION PRESERVE DISABLE COMMENT 'коментар на кирилица' do select 1; 173Warnings: 174Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 175SHOW CREATE EVENT root9; 176Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 177root9 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root9` ON SCHEDULE EVERY 2 WEEK STARTS '#' ON COMPLETION PRESERVE DISABLE COMMENT 'коментар на кирилица' DO select 1 utf8 utf8_general_ci latin1_swedish_ci 178create event root10 on schedule every '20:5' day_hour do select 1; 179Warnings: 180Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 181SHOW CREATE EVENT root10; 182Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 183root10 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root10` ON SCHEDULE EVERY '20 5' DAY_HOUR STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 184create event root11 on schedule every '20:25' day_hour do select 1; 185Warnings: 186Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 187SHOW CREATE EVENT root11; 188Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 189root11 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root11` ON SCHEDULE EVERY '21 1' DAY_HOUR STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 190create event root12 on schedule every '20:25' hour_minute do select 1; 191Warnings: 192Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 193SHOW CREATE EVENT root12; 194Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 195root12 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root12` ON SCHEDULE EVERY '20:25' HOUR_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 196create event root13 on schedule every '25:25' hour_minute do select 1; 197Warnings: 198Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 199SHOW CREATE EVENT root13; 200Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 201root13 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root13` ON SCHEDULE EVERY '25:25' HOUR_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 202create event root13_1 on schedule every '11:65' hour_minute do select 1; 203Warnings: 204Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 205SHOW CREATE EVENT root13_1; 206Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 207root13_1 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root13_1` ON SCHEDULE EVERY '12:5' HOUR_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 208create event root14 on schedule every '35:35' minute_second do select 1; 209Warnings: 210Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 211SHOW CREATE EVENT root14; 212Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 213root14 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root14` ON SCHEDULE EVERY '35:35' MINUTE_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 214create event root15 on schedule every '35:66' minute_second do select 1; 215Warnings: 216Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 217SHOW CREATE EVENT root15; 218Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 219root15 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root15` ON SCHEDULE EVERY '36:6' MINUTE_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 220create event root16 on schedule every '35:56' day_minute do select 1; 221Warnings: 222Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 223SHOW CREATE EVENT root16; 224Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 225root16 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root16` ON SCHEDULE EVERY '1 11:56' DAY_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 226create event root17 on schedule every '35:12:45' day_minute do select 1; 227Warnings: 228Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 229SHOW CREATE EVENT root17; 230Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 231root17 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root17` ON SCHEDULE EVERY '35 12:45' DAY_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 232create event root17_1 on schedule every '35:25:65' day_minute do select 1; 233Warnings: 234Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 235SHOW CREATE EVENT root17_1; 236Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 237root17_1 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root17_1` ON SCHEDULE EVERY '36 2:5' DAY_MINUTE STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 238create event root18 on schedule every '35:12:45' hour_second do select 1; 239Warnings: 240Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 241SHOW CREATE EVENT root18; 242Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 243root18 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root18` ON SCHEDULE EVERY '35:12:45' HOUR_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 244create event root19 on schedule every '15:59:85' hour_second do select 1; 245Warnings: 246Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 247SHOW CREATE EVENT root19; 248Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 249root19 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root19` ON SCHEDULE EVERY '16:0:25' HOUR_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 250create event root20 on schedule every '50:20:12:45' day_second do select 1; 251Warnings: 252Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 253SHOW CREATE EVENT root20; 254Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 255root20 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `root20` ON SCHEDULE EVERY '50 20:12:45' DAY_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE DO select 1 utf8 utf8_general_ci latin1_swedish_ci 256set names cp1251; 257create event ����21 on schedule every '50:23:59:95' day_second COMMENT '���� � 1251 ��������' do select 1; 258Warnings: 259Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 260SHOW CREATE EVENT ����21; 261Event sql_mode time_zone Create Event character_set_client collation_connection Database Collation 262����21 SYSTEM CREATE DEFINER=`root`@`localhost` EVENT `руут21` ON SCHEDULE EVERY '51 0:0:35' DAY_SECOND STARTS '#' ON COMPLETION NOT PRESERVE ENABLE COMMENT 'това е 1251 коментар' DO select 1 cp1251 cp1251_general_ci latin1_swedish_ci 263insert into mysql.event ( 264db, 265name, 266body, 267definer, 268interval_value, 269interval_field, 270originator, 271character_set_client, 272collation_connection, 273db_collation, 274body_utf8) 275values ( 276database(), 277"root22", 278"select 1", 279user(), 280100, 281"SECOND_MICROSECOND", 2821, 283'utf8', 284'utf8_general_ci', 285'utf8_general_ci', 286'select 1'); 287show create event root22; 288ERROR 42000: This version of MariaDB doesn't yet support 'MICROSECOND' 289SHOW EVENTS; 290ERROR 42000: This version of MariaDB doesn't yet support 'MICROSECOND' 291drop event root22; 292create event root23 on schedule every -100 year do select 1; 293ERROR HY000: INTERVAL is either not positive or too big 294create event root23 on schedule every 222222222222222222222 year do select 1; 295ERROR HY000: INTERVAL is either not positive or too big 296drop event root6; 297drop event root7; 298drop event root8; 299drop event root8_1; 300drop event root9; 301drop event root10; 302drop event root11; 303drop event root12; 304drop event root13; 305drop event root13_1; 306drop event root14; 307drop event root15; 308drop event root16; 309drop event root17; 310drop event root17_1; 311drop event root18; 312drop event root19; 313drop event root20; 314drop event ����21; 315set names latin1; 316Create a test event. Only event metadata is relevant, 317the actual schedule and body are not. 318CREATE EVENT intact_check ON SCHEDULE EVERY 10 HOUR DO SELECT "nothing"; 319Warnings: 320Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 321SHOW EVENTS; 322Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 323events_test intact_check root@localhost SYSTEM RECURRING NULL 10 # # NULL ENABLED 1 latin1 latin1_swedish_ci latin1_swedish_ci 324Try to alter mysql.event: the server should fail to load 325event information after mysql.event was tampered with. 326 327First, let's add a column to the end and check the error is emitted. 328 329ALTER TABLE mysql.event ADD dummy INT; 330SHOW EVENTS; 331ERROR HY000: Failed to open mysql.event 332SELECT event_name FROM INFORMATION_SCHEMA.events; 333ERROR HY000: Failed to open mysql.event 334SHOW CREATE EVENT intact_check; 335ERROR HY000: Failed to open mysql.event 336DROP EVENT no_such_event; 337ERROR HY000: Failed to open mysql.event 338CREATE EVENT intact_check_1 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 339ERROR HY000: Failed to open mysql.event 340ALTER EVENT intact_check_1 ON SCHEDULE EVERY 8 HOUR DO SELECT 8; 341ERROR HY000: Failed to open mysql.event 342ALTER EVENT intact_check_1 RENAME TO intact_check_2; 343ERROR HY000: Failed to open mysql.event 344DROP EVENT intact_check_1; 345ERROR HY000: Failed to open mysql.event 346DROP EVENT intact_check_2; 347ERROR HY000: Failed to open mysql.event 348DROP EVENT intact_check; 349ERROR HY000: Failed to open mysql.event 350DROP DATABASE IF EXISTS mysqltest_no_such_database; 351Warnings: 352Note 1008 Can't drop database 'mysqltest_no_such_database'; database doesn't exist 353CREATE DATABASE mysqltest_db2; 354DROP DATABASE mysqltest_db2; 355Warnings: 356Error 1545 Failed to open mysql.event 357SELECT @@event_scheduler; 358@@event_scheduler 359OFF 360SHOW VARIABLES LIKE 'event_scheduler'; 361Variable_name Value 362event_scheduler OFF 363SET GLOBAL event_scheduler=OFF; 364ALTER TABLE mysql.event DROP dummy; 365DROP EVENT intact_check; 366CREATE EVENT intact_check ON SCHEDULE EVERY 10 HOUR DO SELECT "nothing"; 367Warnings: 368Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 369 370Now let's add a column to the first position: the server 371expects to see event schema name there 372 373ALTER TABLE mysql.event ADD dummy INT FIRST; 374SHOW EVENTS; 375ERROR HY000: Failed to open mysql.event 376SELECT event_name FROM INFORMATION_SCHEMA.events; 377ERROR HY000: Failed to open mysql.event 378SHOW CREATE EVENT intact_check; 379ERROR HY000: Failed to open mysql.event 380DROP EVENT no_such_event; 381ERROR HY000: Failed to open mysql.event 382CREATE EVENT intact_check_1 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 383ERROR HY000: Failed to open mysql.event 384ALTER EVENT intact_check_1 ON SCHEDULE EVERY 8 HOUR DO SELECT 8; 385ERROR HY000: Failed to open mysql.event 386ALTER EVENT intact_check_1 RENAME TO intact_check_2; 387ERROR HY000: Failed to open mysql.event 388DROP EVENT intact_check_1; 389ERROR HY000: Failed to open mysql.event 390DROP EVENT intact_check_2; 391ERROR HY000: Failed to open mysql.event 392DROP EVENT intact_check; 393ERROR HY000: Failed to open mysql.event 394DROP DATABASE IF EXISTS mysqltest_no_such_database; 395Warnings: 396Note 1008 Can't drop database 'mysqltest_no_such_database'; database doesn't exist 397CREATE DATABASE mysqltest_db2; 398DROP DATABASE mysqltest_db2; 399Warnings: 400Error 1545 Failed to open mysql.event 401SELECT @@event_scheduler; 402@@event_scheduler 403OFF 404SHOW VARIABLES LIKE 'event_scheduler'; 405Variable_name Value 406event_scheduler OFF 407SET GLOBAL event_scheduler=OFF; 408Clean up 409ALTER TABLE mysql.event DROP dummy; 410DELETE FROM mysql.event; 411CREATE EVENT intact_check ON SCHEDULE EVERY 10 HOUR DO SELECT "nothing"; 412Warnings: 413Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 414Back up the table, further changes are not reversible 415CREATE TABLE event_like LIKE mysql.event; 416INSERT INTO event_like SELECT * FROM mysql.event; 417 418Drop some columns and try more checks. 419 420 421ALTER TABLE mysql.event DROP comment, DROP starts; 422SHOW EVENTS; 423ERROR HY000: Failed to open mysql.event 424SELECT event_name FROM INFORMATION_SCHEMA.EVENTS; 425ERROR HY000: Failed to open mysql.event 426SHOW CREATE EVENT intact_check; 427ERROR HY000: Failed to open mysql.event 428DROP EVENT no_such_event; 429ERROR HY000: Failed to open mysql.event 430CREATE EVENT intact_check_1 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 431ERROR HY000: Failed to open mysql.event 432ALTER EVENT intact_check_1 ON SCHEDULE EVERY 8 HOUR DO SELECT 8; 433ERROR HY000: Failed to open mysql.event 434ALTER EVENT intact_check_1 RENAME TO intact_check_2; 435ERROR HY000: Failed to open mysql.event 436DROP EVENT intact_check_1; 437ERROR HY000: Failed to open mysql.event 438DROP EVENT intact_check_2; 439ERROR HY000: Failed to open mysql.event 440DROP EVENT intact_check; 441ERROR HY000: Failed to open mysql.event 442DROP DATABASE IF EXISTS mysqltest_no_such_database; 443Warnings: 444Note 1008 Can't drop database 'mysqltest_no_such_database'; database doesn't exist 445CREATE DATABASE mysqltest_db2; 446DROP DATABASE mysqltest_db2; 447Warnings: 448Error 1545 Failed to open mysql.event 449SELECT @@event_scheduler; 450@@event_scheduler 451OFF 452SHOW VARIABLES LIKE 'event_scheduler'; 453Variable_name Value 454event_scheduler OFF 455SET GLOBAL event_scheduler=OFF; 456 457Now drop the table, and test again 458 459 460DROP TABLE mysql.event; 461SHOW EVENTS; 462ERROR 42S02: Table 'mysql.event' doesn't exist 463SELECT event_name FROM INFORMATION_SCHEMA.events; 464ERROR 42S02: Table 'mysql.event' doesn't exist 465SHOW CREATE EVENT intact_check; 466ERROR 42S02: Table 'mysql.event' doesn't exist 467DROP EVENT no_such_event; 468ERROR 42S02: Table 'mysql.event' doesn't exist 469CREATE EVENT intact_check_1 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 470ERROR 42S02: Table 'mysql.event' doesn't exist 471ALTER EVENT intact_check_1 ON SCHEDULE EVERY 8 HOUR DO SELECT 8; 472ERROR 42S02: Table 'mysql.event' doesn't exist 473ALTER EVENT intact_check_1 RENAME TO intact_check_2; 474ERROR 42S02: Table 'mysql.event' doesn't exist 475DROP EVENT intact_check_1; 476ERROR 42S02: Table 'mysql.event' doesn't exist 477DROP EVENT intact_check_2; 478ERROR 42S02: Table 'mysql.event' doesn't exist 479DROP EVENT intact_check; 480ERROR 42S02: Table 'mysql.event' doesn't exist 481DROP DATABASE IF EXISTS mysqltest_no_such_database; 482Warnings: 483Note 1008 Can't drop database 'mysqltest_no_such_database'; database doesn't exist 484CREATE DATABASE mysqltest_db2; 485DROP DATABASE mysqltest_db2; 486Warnings: 487Error 1146 Table 'mysql.event' doesn't exist 488OK, there is an unnecessary warning about the non-existent table 489but it's not easy to fix and no one complained about it. 490A similar warning is printed if mysql.proc is missing. 491SHOW WARNINGS; 492Level Code Message 493Error 1146 Table 'mysql.event' doesn't exist 494SELECT @@event_scheduler; 495@@event_scheduler 496OFF 497SHOW VARIABLES LIKE 'event_scheduler'; 498Variable_name Value 499event_scheduler OFF 500SET GLOBAL event_scheduler=OFF; 501Restore the original table. 502CREATE TABLE mysql.event like event_like; 503DROP TABLE event_like; 504SHOW EVENTS; 505Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 506 507# 508# Bug#12394306: the sever may crash if mysql.event is corrupted 509# 510 511CREATE EVENT ev1 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 512Warnings: 513Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 514ALTER EVENT ev1 ON SCHEDULE EVERY 8 HOUR DO SELECT 8; 515 516CREATE TABLE event_original LIKE mysql.event; 517INSERT INTO event_original SELECT * FROM mysql.event; 518 519ALTER TABLE mysql.event MODIFY modified CHAR(1); 520Warnings: 521Warning 1265 Data truncated for column 'modified' at row 1 522 523SHOW EVENTS; 524ERROR HY000: Failed to open mysql.event 525 526SELECT event_name, created, last_altered FROM information_schema.events; 527ERROR HY000: Failed to open mysql.event 528 529CREATE EVENT ev2 ON SCHEDULE EVERY 5 HOUR DO SELECT 5; 530ERROR HY000: Failed to open mysql.event 531 532ALTER EVENT ev1 ON SCHEDULE EVERY 9 HOUR DO SELECT 9; 533ERROR HY000: Failed to open mysql.event 534 535DROP TABLE mysql.event; 536RENAME TABLE event_original TO mysql.event; 537 538DROP EVENT ev1; 539 540SHOW EVENTS; 541Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 542# 543# MDEV-9524 Cannot load from mysql.event when sql_mode is set to PAD_CHAR_TO_FULL_LENGTH 544# 545CREATE TABLE t1 (a INT); 546CREATE EVENT ev1 ON SCHEDULE EVERY 5 SECOND DO DELETE FROM t1; 547Warnings: 548Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 549SHOW EVENTS; 550Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 551events_test ev1 root@localhost SYSTEM RECURRING NULL 5 # # NULL ENABLED 1 latin1 latin1_swedish_ci latin1_swedish_ci 552SET sql_mode=PAD_CHAR_TO_FULL_LENGTH; 553SHOW EVENTS; 554Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 555events_test ev1 root@localhost SYSTEM RECURRING NULL 5 # # NULL ENABLED 1 latin1 latin1_swedish_ci latin1_swedish_ci 556DROP EVENT ev1; 557CREATE EVENT ev1 ON SCHEDULE EVERY 5 SECOND DO DELETE FROM t1; 558Warnings: 559Warning 1105 Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it. 560SHOW EVENTS; 561Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation 562events_test ev1 root@localhost SYSTEM RECURRING NULL 5 # # NULL ENABLED 1 latin1 latin1_swedish_ci latin1_swedish_ci 563DROP EVENT ev1; 564DROP TABLE t1; 565SET sql_mode=DEFAULT; 566 567# 568# End of tests 569# 570drop database events_test; 571