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DROP DATABASE would internally execute DROP TABLE on every contained table and finally remove the directory. In InnoDB, DROP TABLE is sometimes executed in the background. The table would be renamed to a name that starts with #sql. The existence of these files would prevent DROP DATABASE from succeeding. CREATE OR REPLACE DATABASE can internally execute DROP DATABASE if the directory already exists. This could fail due to the InnoDB background DROP TABLE, possibly due to some tables that were leftovers from earlier tests.
277 lines
12 KiB
Plaintext
277 lines
12 KiB
Plaintext
create table t (id int, s date, e date, period for apptime(s,e));
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insert into t values(1, '1999-01-01', '2018-12-12');
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insert into t values(1, '1999-01-01', '2017-01-01');
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insert into t values(1, '2017-01-01', '2019-01-01');
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insert into t values(2, '1998-01-01', '2018-12-12');
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insert into t values(3, '1997-01-01', '2015-01-01');
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insert into t values(4, '2016-01-01', '2020-01-01');
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insert into t values(5, '2010-01-01', '2015-01-01');
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create or replace table t1 (id int, s date, e date, period for apptime(s,e));
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insert t1 select * from t;
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create or replace table t2 (id int, s date, e date, period for apptime(s,e));
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insert t2 select * from t;
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update t for portion of apptime from '2000-01-01' to '2018-01-01'
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set id=id + 6;
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select * from t;
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id s e
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1 1999-01-01 2000-01-01
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1 1999-01-01 2000-01-01
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1 2018-01-01 2018-12-12
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1 2018-01-01 2019-01-01
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10 2016-01-01 2018-01-01
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11 2010-01-01 2015-01-01
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2 1998-01-01 2000-01-01
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2 2018-01-01 2018-12-12
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3 1997-01-01 2000-01-01
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4 2018-01-01 2020-01-01
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7 2000-01-01 2017-01-01
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7 2000-01-01 2018-01-01
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7 2017-01-01 2018-01-01
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8 2000-01-01 2018-01-01
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9 2000-01-01 2015-01-01
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# Check triggers
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create or replace table log_tbl(id int auto_increment primary key, log text) engine=myisam;
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create or replace procedure log(s text)
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insert into log_tbl(log) values(s);
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create trigger tr1upd_t1 before update on t1
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for each row call log(CONCAT('>UPD: ', old.id, ", ", old.s, ", ", old.e, ' -> ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr2upd_t1 after update on t1
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for each row call log(CONCAT('<UPD: ', old.id, ", ", old.s, ", ", old.e, ' -> ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr1del_t1 before delete on t1
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for each row call log(CONCAT('>DEL: ', old.id, ", ", old.s, ", ", old.e));
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create trigger tr2del_t1 after delete on t1
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for each row call log(CONCAT('<DEL: ', old.id, ", ", old.s, ", ", old.e));
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create trigger tr1ins_t1 before insert on t1
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for each row call log(CONCAT('>INS: ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr2ins_t1 after insert on t1
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for each row call log(CONCAT('<INS: ', new.id, ", ", new.s, ", ", new.e));
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update t1 for portion of apptime from '2000-01-01' to '2018-01-01'
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set id=id + 6;
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select * from t1;
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id s e
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1 1999-01-01 2000-01-01
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1 1999-01-01 2000-01-01
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1 2018-01-01 2018-12-12
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1 2018-01-01 2019-01-01
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10 2016-01-01 2018-01-01
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11 2010-01-01 2015-01-01
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2 1998-01-01 2000-01-01
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2 2018-01-01 2018-12-12
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3 1997-01-01 2000-01-01
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4 2018-01-01 2020-01-01
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7 2000-01-01 2017-01-01
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7 2000-01-01 2018-01-01
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7 2017-01-01 2018-01-01
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8 2000-01-01 2018-01-01
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9 2000-01-01 2015-01-01
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select * from log_tbl order by id;
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id log
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1 >UPD: 1, 1999-01-01, 2018-12-12 -> 7, 2000-01-01, 2018-01-01
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2 >INS: 1, 1999-01-01, 2000-01-01
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3 <INS: 1, 1999-01-01, 2000-01-01
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4 >INS: 1, 2018-01-01, 2018-12-12
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5 <INS: 1, 2018-01-01, 2018-12-12
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6 <UPD: 1, 1999-01-01, 2018-12-12 -> 7, 2000-01-01, 2018-01-01
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7 >UPD: 1, 1999-01-01, 2017-01-01 -> 7, 2000-01-01, 2017-01-01
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8 >INS: 1, 1999-01-01, 2000-01-01
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9 <INS: 1, 1999-01-01, 2000-01-01
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10 <UPD: 1, 1999-01-01, 2017-01-01 -> 7, 2000-01-01, 2017-01-01
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11 >UPD: 1, 2017-01-01, 2019-01-01 -> 7, 2017-01-01, 2018-01-01
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12 >INS: 1, 2018-01-01, 2019-01-01
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13 <INS: 1, 2018-01-01, 2019-01-01
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14 <UPD: 1, 2017-01-01, 2019-01-01 -> 7, 2017-01-01, 2018-01-01
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15 >UPD: 2, 1998-01-01, 2018-12-12 -> 8, 2000-01-01, 2018-01-01
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16 >INS: 2, 1998-01-01, 2000-01-01
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17 <INS: 2, 1998-01-01, 2000-01-01
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18 >INS: 2, 2018-01-01, 2018-12-12
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19 <INS: 2, 2018-01-01, 2018-12-12
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20 <UPD: 2, 1998-01-01, 2018-12-12 -> 8, 2000-01-01, 2018-01-01
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21 >UPD: 3, 1997-01-01, 2015-01-01 -> 9, 2000-01-01, 2015-01-01
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22 >INS: 3, 1997-01-01, 2000-01-01
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23 <INS: 3, 1997-01-01, 2000-01-01
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24 <UPD: 3, 1997-01-01, 2015-01-01 -> 9, 2000-01-01, 2015-01-01
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25 >UPD: 4, 2016-01-01, 2020-01-01 -> 10, 2016-01-01, 2018-01-01
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26 >INS: 4, 2018-01-01, 2020-01-01
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27 <INS: 4, 2018-01-01, 2020-01-01
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28 <UPD: 4, 2016-01-01, 2020-01-01 -> 10, 2016-01-01, 2018-01-01
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29 >UPD: 5, 2010-01-01, 2015-01-01 -> 11, 2010-01-01, 2015-01-01
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30 <UPD: 5, 2010-01-01, 2015-01-01 -> 11, 2010-01-01, 2015-01-01
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# INSERT trigger only also works
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create or replace table log_tbl(id int auto_increment primary key, log text) engine=myisam;
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create or replace procedure log(s text)
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insert into log_tbl(log) values(s);
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create trigger tr1upd_t2 before update on t2
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for each row call log(CONCAT('>UPD: ', old.id, ", ", old.s, ", ", old.e, ' -> ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr2upd_t2 after update on t2
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for each row call log(CONCAT('<UPD: ', old.id, ", ", old.s, ", ", old.e, ' -> ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr1del_t2 before delete on t2
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for each row call log(CONCAT('>DEL: ', old.id, ", ", old.s, ", ", old.e));
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create trigger tr2del_t2 after delete on t2
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for each row call log(CONCAT('<DEL: ', old.id, ", ", old.s, ", ", old.e));
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create trigger tr1ins_t2 before insert on t2
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for each row call log(CONCAT('>INS: ', new.id, ", ", new.s, ", ", new.e));
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create trigger tr2ins_t2 after insert on t2
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for each row call log(CONCAT('<INS: ', new.id, ", ", new.s, ", ", new.e));
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drop trigger tr1upd_t2;
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drop trigger tr2upd_t2;
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update t2 for portion of apptime from '2000-01-01' to '2018-01-01'
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set id=id + 6;
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select * from t2;
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id s e
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1 1999-01-01 2000-01-01
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1 1999-01-01 2000-01-01
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1 2018-01-01 2018-12-12
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1 2018-01-01 2019-01-01
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10 2016-01-01 2018-01-01
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11 2010-01-01 2015-01-01
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2 1998-01-01 2000-01-01
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2 2018-01-01 2018-12-12
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3 1997-01-01 2000-01-01
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4 2018-01-01 2020-01-01
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7 2000-01-01 2017-01-01
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7 2000-01-01 2018-01-01
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7 2017-01-01 2018-01-01
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8 2000-01-01 2018-01-01
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9 2000-01-01 2015-01-01
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select * from log_tbl order by id;
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id log
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1 >INS: 1, 1999-01-01, 2000-01-01
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2 <INS: 1, 1999-01-01, 2000-01-01
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3 >INS: 1, 2018-01-01, 2018-12-12
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4 <INS: 1, 2018-01-01, 2018-12-12
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5 >INS: 1, 1999-01-01, 2000-01-01
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6 <INS: 1, 1999-01-01, 2000-01-01
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7 >INS: 1, 2018-01-01, 2019-01-01
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8 <INS: 1, 2018-01-01, 2019-01-01
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9 >INS: 2, 1998-01-01, 2000-01-01
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10 <INS: 2, 1998-01-01, 2000-01-01
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11 >INS: 2, 2018-01-01, 2018-12-12
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12 <INS: 2, 2018-01-01, 2018-12-12
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13 >INS: 3, 1997-01-01, 2000-01-01
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14 <INS: 3, 1997-01-01, 2000-01-01
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15 >INS: 4, 2018-01-01, 2020-01-01
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16 <INS: 4, 2018-01-01, 2020-01-01
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select * from t for portion of apptime from 0 to 1 for system_time all;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'portion of apptime from 0 to 1 for system_time all' at line 1
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update t for portion of apptime from 0 to 1 for system_time all set id=1;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'system_time all set id=1' at line 1
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# Modifying period start/end fields is forbidden.
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# SQL16: 14.14 <update statement: searched>, Syntax Rules, 7)a)ii)
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# Neither BSTARTCOL nor BENDCOL shall be an explicit <object column>
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# contained in the <set clause list>.
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update t for portion of apptime from '2000-01-01' to '2018-01-01'
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set id= id + 6, s=subdate(s, 5), e=adddate(e, 5);
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ERROR HY000: Column `s` used in period `apptime` specified in update SET list
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# Precision timestamps
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create or replace table t (id int, s timestamp(5), e timestamp(5),
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period for apptime(s,e));
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insert into t values(1, '1999-01-01', '2018-12-12');
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insert into t values(1, '1999-01-01', '2017-01-01');
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update t for portion of apptime from '2000-01-01 00:00:00.00015'
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to '2018-01-01 12:34:56.31415'
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set id= id + 5;
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select * from t;
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id s e
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1 1999-01-01 00:00:00.00000 2000-01-01 00:00:00.00015
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1 1999-01-01 00:00:00.00000 2000-01-01 00:00:00.00015
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1 2018-01-01 12:34:56.31415 2018-12-12 00:00:00.00000
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6 2000-01-01 00:00:00.00015 2017-01-01 00:00:00.00000
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6 2000-01-01 00:00:00.00015 2018-01-01 12:34:56.31415
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# Strings
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create or replace table t (id int, str text, s date, e date,
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period for apptime(s,e));
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insert into t values(1, 'data', '1999-01-01', '2018-12-12');
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insert into t values(1, 'other data', '1999-01-01', '2018-12-12');
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update t for portion of apptime from '2000-01-01' to '2018-01-01'
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set id= id + 5;
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select * from t;
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id str s e
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1 data 1999-01-01 2000-01-01
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1 data 2018-01-01 2018-12-12
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1 other data 1999-01-01 2000-01-01
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1 other data 2018-01-01 2018-12-12
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6 data 2000-01-01 2018-01-01
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6 other data 2000-01-01 2018-01-01
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# multi-table UPDATE is impossible
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create or replace table t1(x int);
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update t for portion of apptime from '2000-01-01' to '2018-01-01', t1
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set t.id= t.id + 5;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' t1
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set t.id= t.id + 5' at line 1
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update t1 set x= (select id from t for portion of apptime from '2000-01-01' to '2018-01-01');
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'portion of apptime from '2000-01-01' to '2018-01-01')' at line 1
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# single-table views
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create or replace view v1 as select * from t where id<10;
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update v1 for portion of apptime from '2000-01-01' to '2018-01-01' set id= id + 5;
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ERROR 42S02: 'v1' is a view
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# multi-table views
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create or replace view v1 as select * from t, t1 where x=id;
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update v1 for portion of apptime from '2000-01-01' to '2018-01-01' set id= id + 5;
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ERROR 42S02: 'v1' is a view
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# SQL16: 14.14 <update statement: searched>, Syntax Rules, 7)a) iii-iv)
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# Let FROMVAL be <point in time 1>. FROMVAL shall not generally contain a
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# reference to a column of T or a <routine invocation>
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# whose subject routine is an SQL-invoked routine that
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# is possibly non-deterministic or that possibly modifies SQL-data.
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# ...Same for <point in time 2> (TOVAL)
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update t for portion of apptime from 5*(5+s) to 1 set t.id= t.id + 5;
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ERROR HY000: Expression in FOR PORTION OF must be constant
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update t for portion of apptime from 1 to e set t.id= t.id + 5;
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ERROR HY000: Expression in FOR PORTION OF must be constant
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set @s= '2000-01-01';
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set @e= '2018-01-01';
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create or replace function f() returns date return @e;
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create or replace function g() returns date not deterministic return @e;
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create or replace function h() returns date deterministic return @e;
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update t for portion of apptime from @s to f() set t.id= t.id + 5;
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ERROR HY000: Expression in FOR PORTION OF must be constant
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update t for portion of apptime from @s to g() set t.id= t.id + 5;
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ERROR HY000: Expression in FOR PORTION OF must be constant
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# success
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update t for portion of apptime from @s to h() set t.id= t.id + 5;
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# select value is cached
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update t for portion of apptime from (select s from t2 limit 1) to h() set t.id= t.id + 5;
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# auto_inrement field is updated
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create or replace table t (id int primary key auto_increment, x int,
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s date, e date, period for apptime(s, e));
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insert into t values (default, 1, '1999-01-01', '2018-12-12');
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update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= x + 5;
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select * from t;
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id x s e
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1 6 2000-01-01 2018-01-01
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2 1 1999-01-01 2000-01-01
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3 1 2018-01-01 2018-12-12
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truncate t;
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insert into t values (default, 1, '1999-01-01', '2018-12-12');
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update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= 1;
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select * from t;
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id x s e
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1 1 2000-01-01 2018-01-01
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2 1 1999-01-01 2000-01-01
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3 1 2018-01-01 2018-12-12
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# generated columns are updated
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create or replace table t (x int, s date, e date,
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xs date as (s) stored, xe date as (e) stored,
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period for apptime(s, e));
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insert into t values(1, '1999-01-01', '2018-12-12', default, default);
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select * from t;
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x s e xs xe
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1 1999-01-01 2018-12-12 1999-01-01 2018-12-12
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update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= x + 5;
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select *, xs=s and xe=e from t;
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x s e xs xe xs=s and xe=e
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1 1999-01-01 2000-01-01 1999-01-01 2000-01-01 1
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1 2018-01-01 2018-12-12 2018-01-01 2018-12-12 1
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6 2000-01-01 2018-01-01 2000-01-01 2018-01-01 1
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# MDEV-18921 Server crashes in bitmap_bits_set or bitmap_is_set upon
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# UPDATE IGNORE .. FOR PORTION with binary logging
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create or replace table t1 (f int, s date, e date, period for app(s,e));
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insert into t1 values (1,'2016-09-21','2019-06-14');
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update ignore t1 for portion of app from '2019-03-13' to '2019-03-14' set f = 1;
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drop table t,t1,t2,log_tbl;
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drop view v1;
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drop function f;
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drop function g;
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drop function h;
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drop procedure log;
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