versioning/t/view.test

--source suite/versioning/engines.inc
--source suite/versioning/common.inc
--source include/have_partition.inc

create or replace table t1 (x int) with system versioning;
insert into t1 values (1);

select now(6) into @t1;
update t1 set x= 2;

select now(6) into @t2;
delete from t1;

set @vt1= concat("create or replace view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
prepare stmt from @vt1; execute stmt; drop prepare stmt;

set @vt2= concat("create or replace view vt2 as select *, row_end from t1 for system_time as of timestamp '", @t2, "'");
prepare stmt from @vt2; execute stmt; drop prepare stmt;

select * from t1;

create or replace view vt1 as select * from t1;
--replace_result 18446744073709551615 MAX_RESULT "TIMESTAMP'2038-01-19 03:14:07.999999'" MAX_RESULT
show create view vt1;

drop view vt1;
drop view vt2;

create or replace view vt1 as select * from t1 for system_time all;
select * from vt1;
prepare stmt from 'select * from vt1'; execute stmt; drop prepare stmt;

set @str= concat('create or replace view vt1 as
select * from t1 for system_time as of timestamp "', @t1, '"');
prepare stmt from @str; execute stmt; drop prepare stmt;
select * from t1 for system_time as of timestamp @t1;
select * from vt1;

insert into vt1 values (3);
select * from t1;
select * from vt1;

create or replace table t1 (x int) with system versioning;
insert into t1 values (1), (2);
set @t1=now(6);
delete from t1 where x=2;
set @t2=now(6);
delete from t1 where x=1;
set @t3=now(6);

set @tmp= concat("create or replace view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
prepare stmt from @tmp; execute stmt; drop prepare stmt;

select * from vt1;

--echo # VIEW with parameters [tempesta-tech/mariadb#151]
create or replace table t1 (x int) with system versioning;
create or replace view vt1(c) as select x from t1;
--replace_result 18446744073709551615 MAX_RESULT "TIMESTAMP'2038-01-19 03:14:07.999999'" MAX_RESULT
show create view vt1;

--echo # VIEW over JOIN of versioned tables [tempesta-tech/mariadb#153]
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int) with system versioning;
insert into t1 values (1);
insert into t2 values (2);
create or replace view vt12 as select * from t1 cross join t2;
select * from vt12;
create or replace view vt12 as select * from t1 for system_time as of timestamp ('1970-01-01 00:00') cross join t2;
select * from vt12;

--echo # VIEW improvements [tempesta-tech/mariadb#183]
create or replace table t3 (x int);
create or replace view vt1 as select * from t1, t2, t3;
--replace_result 18446744073709551615 MAX_RESULT "TIMESTAMP'2038-01-19 03:14:07.999999'" MAX_RESULT
show create view vt1;
create or replace view vt1 as select * from t3, t2, t1;
--replace_result 18446744073709551615 MAX_RESULT "TIMESTAMP'2038-01-19 03:14:07.999999'" MAX_RESULT
show create view vt1;
create or replace view vt1 as select a, t2.row_end as endo from t3, t1, t2;
--replace_result 18446744073709551615 MAX_RESULT "TIMESTAMP'2038-01-19 03:14:07.999999'" MAX_RESULT
show create view vt1;

--echo # VIEW over UNION [tempesta-tech/mariadb#269]
create or replace view vt1 as select * from t1 union select * from t1;
select * from vt1;

--echo # VIEW over UNION with non-versioned [tempesta-tech/mariadb#393]
create or replace table t2 (a int);
create or replace view vt1 as select * from t1 union select * from t2;
select * from vt1;

--echo #
--echo # MDEV-14689 crash on second PS execute
--echo #
create or replace table t1 (a int);
create or replace view v1 as select * from t1;
create or replace table t2 (b int) with system versioning;
prepare stmt from 'select a from v1 inner join t2 group by a order by a';
execute stmt;
execute stmt;
drop view v1;
drop tables t1, t2;

--echo #
--echo # MDEV-15146 SQLError[4122]: View is not system versioned
--echo #
create or replace table t1 (a int) with system versioning;
insert t1 values (1),(2);
set @a=now(6);
create or replace view v1 as select * from t1;
delete from t1;
select * from v1;
select * from v1 for system_time as of @a;
show create view v1;

--echo #
--echo # MDEV-15378 Valid query causes invalid view definition due to syntax limitation in FOR SYSTEM_TIME
--echo #
create or replace table t1 (i int) with system versioning;
select * from t1 for system_time as of now() - interval 6 second;
create or replace view v1 as select * from t1 for system_time as of date_sub(now(), interval 6 second);
show create view v1;

drop view v1, vt1, vt12;
drop tables t1, t3;

--echo #
--echo # MDEV-18727 improve DML operation of System Versioning
--echo #
--replace_result $sys_datatype_expl SYS_DATATYPE
eval create or replace table t1 (
  x int,
  row_start $sys_datatype_expl as row start invisible,
  row_end $sys_datatype_expl as row end invisible,
  period for system_time (row_start, row_end)
) with system versioning;
insert into t1 values (1), (2);
create or replace view v1 as select * from t1 where x > 1;
--echo # update, delete
update v1 set x= x + 1;
select *, check_row(row_start, row_end) from t1 for system_time all order by x;
insert v1 values (4);
select *, check_row(row_start, row_end) from t1 for system_time all order by x;
delete from v1 where x < 4;
select *, check_row(row_start, row_end) from t1 for system_time all order by x;
--echo # multi-update
create or replace table t2 like t1;
insert into t2 values (1), (2);
create or replace view v2 as select * from t2 where x > 1;
update v1, v2 set v1.x= v1.x + 1, v2.x= v2.x + 1 where v1.x = v2.x + 2;
select *, check_row(row_start, row_end) from t1 for system_time all order by x;
select *, check_row(row_start, row_end) from t2 for system_time all order by x;
--echo # multi-delete
delete v1, v2 from v1 join v2 where v1.x = v2.x + 2;
select *, check_row(row_start, row_end) from t1 for system_time all order by x;
select *, check_row(row_start, row_end) from t2 for system_time all order by x;
--echo # replace
--replace_result $sys_datatype_expl SYS_DATATYPE
eval create or replace table t1 (
  x int primary key, y int,
  row_start $sys_datatype_expl as row start invisible,
  row_end $sys_datatype_expl as row end invisible,
  period for system_time (row_start, row_end)
) with system versioning;
insert into t1 values (1, 0), (2, 0);
create or replace view v1 as select * from t1 where x > 1;
replace v1 values (1, 1);
replace v1 values (2, 1);
replace v1 values (3, 1);
--echo # REPLACE ignores VIEW condition because itself doesn't use WHERE
select *, check_row(row_start, row_end) from t1 for system_time all order by x, row_end;
--echo # insert-select, on duplicate key
insert v1 select * from t1 where x = 1 on duplicate key update x = v1.x - 1;
select *, check_row(row_start, row_end) from t1 for system_time all order by x, row_end;
drop view v1, v2;
drop tables t1, t2;

--echo #
--echo # MDEV-21146 Assertion `m_lock_type == 2' in handler::ha_drop_table upon LOAD DATA
--echo #
create table t1 (a int);
create view v1 as select * from t1;
create or replace table t1 (b int) with system versioning;
--error ER_VIEW_INVALID
load data infile 'xx' into table v1;

# cleanup
drop view v1;
drop table t1;

--echo #
--echo # MDEV-21155 Assertion with versioned table upon DELETE from view of view after replacing first view
--echo #
create table t1 (a int);
insert into t1 values (1);
--replace_result $sys_datatype_expl SYS_DATATYPE
eval create table t2 (
  b int,
  row_start $sys_datatype_expl as row start invisible,
  row_end $sys_datatype_expl as row end invisible,
  period for system_time (row_start, row_end)
) with system versioning;
insert into t2 values (2);
create view v1 as select * from t1;
create view v2 as select * from v1;
create or replace view v1 as select * from t2;
delete from v2;
select * from t1;
select *, check_row(row_start, row_end) from t2 for system_time all;

# cleanup
drop view v2;
drop view v1;
drop table t1, t2;

--echo #
--echo # MDEV-23779 Error upon querying the view, that selecting from versioned table with partitions
--echo #
create table t1 (i int) with system versioning
partition by system_time (partition p0 history, partition pn current);
create view v1 as select * from t1 partition (pn);
show create view v1;

# cleanup
drop view v1;
drop table t1;

--source suite/versioning/common_finish.inc