-- source suite/versioning/common.inc

delimiter ~~;

create procedure concat_exec2(a varchar(255), b varchar(255))
begin
  prepare stmt from concat(a, b);
  execute stmt;
  deallocate prepare stmt;
end~~

create procedure concat_exec3(a varchar(255), b varchar(255), c varchar(255))
begin
  prepare stmt from concat(a, b, c);
  execute stmt;
  deallocate prepare stmt;
end~~

create function get_historical_table_name(table_name_arg varchar(255))
returns varchar(255)
begin
  return (select table_name from information_schema.tables
           where table_schema='test' and table_name like concat(table_name_arg, '_%') limit 1);
end~~

create procedure drop_last_historical(table_name_arg varchar(255))
begin
  call concat_exec2('drop table ', get_historical_table_name(table_name_arg));
end~~

delimiter ;~~

set versioning_ddl_survival = 1;

create or replace table t (a int) with system versioning;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;

select * from t;
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');

call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
select @tm<sys_trx_start from t where a=2;
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');

call drop_last_historical('t');


# same for INNODB ALGORITHM=COPY
create or replace table t (a int) with system versioning;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;

select * from t;
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');

call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
select @tm<sys_trx_start from t where a=2;
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');

call drop_last_historical('t');


# same for INNODB default ALGORITHM
create or replace table t (a int) with system versioning engine innodb;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;

select * from t;
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');

call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
select @tm<sys_trx_start from t where a=2;
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');

call drop_last_historical('t');


# no DDL for INNODB explicit ALGORITHM=INPLACE
create or replace table t (a int) with system versioning engine innodb;
insert into t values (1);
update t set a=2 where a=1;
alter table t add column b int, algorithm=inplace;

set versioning_ddl_survival = 0;

drop procedure concat_exec2;
drop procedure concat_exec3;
drop function get_historical_table_name;
drop procedure drop_last_historical;

select * from mysql.vtmd_template;
show create table mysql.vtmd_template;

call verify_vtq;
drop table t;

-- source suite/versioning/common_finish.inc