-- source include/have_innodb.inc
-- source include/not_embedded.inc

create or replace table t1 (
  x int,
  sys_trx_start bigint(20) unsigned as row start invisible,
  sys_trx_end bigint(20) unsigned as row end invisible,
  period for system_time (sys_trx_start, sys_trx_end)
) with system versioning engine innodb;

insert into t1 (x) values (1);

--echo # ALTER ADD SYSTEM VERSIONING should write to mysql.transaction_registry
create function check_result (cond boolean)
    returns char(50) deterministic
    return if(cond = 1, '[CORRECT]', '[INCORRECT]');

set @@system_versioning_alter_history=keep;

create or replace table t1 (x int) engine innodb;
insert into t1 values (1);
alter table t1
  add column s bigint unsigned as row start,
  add column e bigint unsigned as row end,
  add period for system_time(s, e),
  add system versioning,
  algorithm=inplace;
select s from t1 into @trx_start;
select check_result(count(*) = 1) from mysql.transaction_registry where transaction_id = @trx_start;

create or replace table t1 (x int) engine innodb;
select count(*) from mysql.transaction_registry into @tmp;
alter table t1
  add column s bigint unsigned as row start,
  add column e bigint unsigned as row end,
  add period for system_time(s, e),
  add system versioning,
  algorithm=inplace;
select check_result(count(*) = @tmp) from mysql.transaction_registry;

create or replace table t1 (x int) engine innodb;
insert into t1 values (1);
alter table t1
  add column s bigint unsigned as row start,
  add column e bigint unsigned as row end,
  add period for system_time(s, e),
  add system versioning,
  algorithm=copy;
select s from t1 into @trx_start;
select check_result(count(*) = 1) from mysql.transaction_registry where transaction_id = @trx_start;

create or replace table t1 (x int) engine innodb;
select count(*) from mysql.transaction_registry into @tmp;
alter table t1
  add column s bigint unsigned as row start,
  add column e bigint unsigned as row end,
  add period for system_time(s, e),
  add system versioning,
  algorithm=copy;
# With MDEV-14511 the transaction will be registered even for empty tables.
select check_result(count(*) = @tmp + 1) from mysql.transaction_registry;

--echo # TRX_ID to TIMESTAMP versioning switch
create or replace table t1 (
  x int,
  sys_start bigint unsigned as row start invisible,
  sys_end bigint unsigned as row end invisible,
  period for system_time (sys_start, sys_end)
) engine innodb with system versioning;
insert into t1 values (1);
alter table t1 drop column sys_start, drop column sys_end;
select row_end = 18446744073709551615 as transaction_based from t1 for system_time all;

drop table t1;
drop function check_result;