-- source include/have_innodb.inc
delimiter ~~;
create or replace procedure drop_archives (in vtmd_name varchar(64))
begin
  declare archive_name varchar(64);
  declare cur_done bool default false;
  declare cur cursor for
    select cur_tmp.archive_name from cur_tmp;
  declare continue handler for not found set cur_done = true;

  set @tmp= concat('
    create or replace temporary table
    cur_tmp as
      select vtmd.archive_name from ', vtmd_name, '
      for system_time all as vtmd
      where vtmd.archive_name is not null
      group by vtmd.archive_name');
  prepare stmt from @tmp; execute stmt; drop prepare stmt;

  open cur;
  fetch_loop: loop
    fetch cur into archive_name;
    if cur_done then
      leave fetch_loop;
    end if;
    set @tmp= concat('drop table ', archive_name);
    prepare stmt from @tmp; execute stmt; drop prepare stmt;
  end loop;

  drop table cur_tmp;
end~~
delimiter ;~~

delimiter ~~;
create or replace procedure check_vtmd (in vtmd_name varchar(64))
begin
  set @tmp= concat('
    create or replace temporary table
    tmp_vtmd with system versioning as
      select * from ', vtmd_name, '
      for system_time all as vtmd');
  prepare stmt from @tmp; execute stmt; drop prepare stmt;

  set @inf= 0xFFFFFFFFFFFFFFFF + 0;
  set @start= null;
  select start from tmp_vtmd for system_time all order by start limit 1 into @start;
  select @start > 0 and @start < @inf;
  select
    start >= @start as A_start,
    (@start:= end) and end = @inf as B_end,
    name,
    substr(archive_name, 1, instr(archive_name, '_')) as C_archive_name
  from tmp_vtmd for system_time all;

  drop table tmp_vtmd;
end~~
delimiter ;~~

delimiter ~~;
create or replace procedure show_tables()
begin
  show tables;
  select table_name, table_schema from information_schema.tables
    where table_schema not in ('mysql', 'performance_schema', 'information_schema', 'mtr')
    order by table_name;
end~~
delimiter ;~~

# create
set versioning_alter_history= keep;
create table t0 (z int) with system versioning;
show tables;
set versioning_alter_history= survive;
create or replace table t0 (y int) with system versioning;
show tables;
show create table t0_vtmd;
call check_vtmd('t0_vtmd');

set versioning_alter_history= keep;
drop table t0;
set versioning_alter_history= survive;
--error ER_VERS_VTMD_ERROR
create table t0 (x int) with system versioning;

drop table t0_vtmd;
create table t0 (y int) with system versioning;
create or replace table t0 (x int) with system versioning;

# alter
insert into t0 values (1);
set @t0= now(6);
alter table t0 add column (y int);
select * from t0 for system_time as of @t0;
select * from t0;
call check_vtmd('t0_vtmd');

call drop_archives('t0_vtmd');
drop table t0_vtmd;
alter table t0 drop column y;
call check_vtmd('t0_vtmd');

call drop_archives('t0_vtmd');
set versioning_alter_history= keep;
drop tables t0, t0_vtmd;
set versioning_alter_history= survive;

# rename
set versioning_alter_history= keep;
create or replace table x0 (x int) with system versioning;
set versioning_alter_history= survive;
rename table x0 to d0;
show tables;

set versioning_alter_history= keep;
drop table d0;
set versioning_alter_history= survive;
create or replace table x0 (x int) with system versioning;
rename table x0 to d0;
show tables;
call check_vtmd('d0_vtmd');

set versioning_alter_history= keep;
drop table d0;
set versioning_alter_history= survive;
create or replace table x0 (x int) with system versioning;

--error ER_VERS_VTMD_ERROR
rename table x0 to d0;
show tables;

drop table x0_vtmd;
rename table x0 to d0;
show tables;

rename table d0 to duck;
rename table duck to bay;
rename table bay to sheer;
rename table sheer to t0;
call check_vtmd('t0_vtmd');

alter table t0 add column (y int);
call check_vtmd('t0_vtmd');

# rename to different schema
alter table t0 add column (z int);
alter table t0 drop column y;
alter table t0 drop column z;

create database db0;
rename table t0 to db0.t0;
show tables;
use db0;
show tables;
call test.check_vtmd('db0.t0_vtmd');

create database db1;
rename table t0 to db1.other_name;
show tables;
use db1;
show tables;
call test.check_vtmd('db1.other_name_vtmd');

# alter rename
alter table other_name rename to t1;
call test.check_vtmd('db1.t1_vtmd');

# alter rename and modify to different schema
alter table t1 rename to test.t2, add column (y int);
use test;
show tables;
call check_vtmd('t2_vtmd');

create or replace table t3 (x int) with system versioning;
alter table t3 change x x bigint;
alter table t3 change x x bigint after sys_trx_start;
call check_vtmd('t3_vtmd');

# hide archive tables
set versioning_hide= auto;
call show_tables();

set versioning_hide= implicit;
call show_tables();

set versioning_hide= full;
call show_tables();

set versioning_hide= never;
--replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
call show_tables();

# wrong VTMD handling
set versioning_hide= auto;
create or replace table u0_vtmd (x int) with system versioning;
show tables;

set versioning_alter_history= survive;
create or replace table t (x int) with system versioning;
select * from t for system_time all;

drop database db0;
drop database db1;
drop database test;
create database test;