source suite/period/engines.inc;
source include/have_log_bin.inc;

create table t (id int, s date, e date, period for apptime(s,e));

insert into t values(1, '1999-01-01', '2018-12-12');
insert into t values(1, '1999-01-01', '2017-01-01');
insert into t values(1, '2017-01-01', '2019-01-01');
insert into t values(2, '1998-01-01', '2018-12-12');
insert into t values(3, '1997-01-01', '2015-01-01');
insert into t values(4, '2016-01-01', '2020-01-01');
insert into t values(5, '2010-01-01', '2015-01-01');

create or replace table t1 (id int, s date, e date, period for apptime(s,e));
insert t1 select * from t;
create or replace table t2 (id int, s date, e date, period for apptime(s,e));
insert t2 select * from t;

update t for portion of apptime from '2000-01-01' to '2018-01-01'
       set id=id + 6;
--sorted_result
select * from t;

--echo # Check triggers
--let $trig_cols=id, s, e
--let $trig_table=t1
--source suite/period/create_triggers.inc

update t1 for portion of apptime from '2000-01-01' to '2018-01-01'
       set id=id + 6;
--sorted_result
select * from t1;
select * from log_tbl order by id;

--echo # INSERT trigger only also works
--let $trig_cols=id, s, e
--let $trig_table=t2
--source suite/period/create_triggers.inc
drop trigger tr1upd_t2;
drop trigger tr2upd_t2;
update t2 for portion of apptime from '2000-01-01' to '2018-01-01'
       set id=id + 6;
--sorted_result
select * from t2;
select * from log_tbl order by id;

--error ER_PARSE_ERROR
select * from t for portion of apptime from 0 to 1 for system_time all;
--error ER_PARSE_ERROR
update t for portion of apptime from 0 to 1 for system_time all set id=1;

--echo # Modifying period start/end fields is forbidden.
--echo # SQL16: 14.14 <update statement: searched>, Syntax Rules, 7)a)ii)
--echo # Neither BSTARTCOL nor BENDCOL shall be an explicit <object column>
--echo # contained in the <set clause list>.
--error ER_PERIOD_COLUMNS_UPDATED
update t for portion of apptime from '2000-01-01' to '2018-01-01'
       set id= id + 6, s=subdate(s, 5), e=adddate(e, 5);

--echo # Precision timestamps
create or replace table t (id int, s timestamp(5), e timestamp(5),
                           period for apptime(s,e));
insert into t values(1, '1999-01-01', '2018-12-12');
insert into t values(1, '1999-01-01', '2017-01-01');
update t for portion of apptime from '2000-01-01 00:00:00.00015'
                                to '2018-01-01 12:34:56.31415'
         set id= id + 5;
--sorted_result
select * from t;

-- echo # Strings
create or replace table t (id int, str text, s date, e date,
                           period for apptime(s,e));

insert into t values(1, 'data', '1999-01-01', '2018-12-12');
insert into t values(1, 'other data', '1999-01-01', '2018-12-12');
update t for portion of apptime from '2000-01-01' to '2018-01-01'
       set id= id + 5;
--sorted_result
select * from t;

--echo # multi-table UPDATE is impossible
create or replace table t1(x int);
--error ER_PARSE_ERROR
update t for portion of apptime from '2000-01-01' to '2018-01-01', t1
       set t.id= t.id + 5;

--error ER_PARSE_ERROR
update t1 set x= (select id from t for portion of apptime from '2000-01-01' to '2018-01-01');

--echo # single-table views
create or replace view v1 as select * from t where id<10;
--error ER_IT_IS_A_VIEW
update v1 for portion of apptime from '2000-01-01' to '2018-01-01' set id= id + 5;

--echo # multi-table views
create or replace view v1 as select * from t, t1 where x=id;
--error ER_IT_IS_A_VIEW
update v1 for portion of apptime from '2000-01-01' to '2018-01-01' set id= id + 5;

--echo # SQL16: 14.14 <update statement: searched>, Syntax Rules, 7)a) iii-iv)
--echo # Let FROMVAL be <point in time 1>. FROMVAL shall not generally contain a
--echo # reference to a column of T or a <routine invocation>
--echo # whose subject routine is an SQL-invoked routine that
--echo # is possibly non-deterministic or that possibly modifies SQL-data.
--echo # ...Same for <point in time 2> (TOVAL)
--error ER_NOT_CONSTANT_EXPRESSION
update t for portion of apptime from 5*(5+s) to 1 set t.id= t.id + 5;
--error ER_NOT_CONSTANT_EXPRESSION
update t for portion of apptime from 1 to e set t.id= t.id + 5;

set @s= '2000-01-01';
set @e= '2018-01-01';

create or replace function f() returns date return @e;
create or replace function g() returns date not deterministic return @e;
create or replace function h() returns date deterministic return @e;

--error ER_NOT_CONSTANT_EXPRESSION
update t for portion of apptime from @s to f() set t.id= t.id + 5;
--error ER_NOT_CONSTANT_EXPRESSION
update t for portion of apptime from @s to g() set t.id= t.id + 5;

--echo # success
update t for portion of apptime from @s to h() set t.id= t.id + 5;
--echo # select value is cached
update t for portion of apptime from (select s from t2 limit 1) to h() set t.id= t.id + 5;

--echo # auto_inrement field is updated
create or replace table t (id int primary key auto_increment, x int,
                           s date, e date, period for apptime(s, e));
insert into t values (default, 1, '1999-01-01', '2018-12-12');
update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= x + 5;
--sorted_result
select * from t;

truncate t;
insert into t values (default, 1, '1999-01-01', '2018-12-12');
update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= 1;
--sorted_result
select * from t;

--echo # generated columns are updated
create or replace table t (x int, s date, e date,
                           xs date as (s) stored, xe date as (e) stored,
                           period for apptime(s, e));
insert into t values(1, '1999-01-01', '2018-12-12', default, default);
--sorted_result
select * from t;
update t for portion of apptime from '2000-01-01' to '2018-01-01' set x= x + 5;
--sorted_result
select *, xs=s and xe=e from t;

--echo # MDEV-18921 Server crashes in bitmap_bits_set or bitmap_is_set upon
--echo # UPDATE IGNORE .. FOR PORTION with binary logging
create or replace table t1 (f int, s date, e date, period for app(s,e));
insert into t1 values (1,'2016-09-21','2019-06-14');
update ignore t1 for portion of app from '2019-03-13' to '2019-03-14' set f = 1;

drop table t,t1,t2,log_tbl;
drop view v1;
drop function f;
drop function g;
drop function h;
drop procedure log;